tag:blogger.com,1999:blog-88463149176424650232024-03-17T23:35:40.379-04:00Dino 246 Restoration BlogDino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.comBlogger252125tag:blogger.com,1999:blog-8846314917642465023.post-66356088967887492202015-10-30T18:53:00.000-04:002015-10-30T18:53:35.576-04:00Our California Adventure! Part 2: Monterrey Historics & Emergency Dino ServizioWow where does the time go? I promised fast updates and here I am
some two months later and we are just at the beginning of the California
Adventure. I promise more timely posts to get us back on track. Speaking of track that is where we first headed to. <br />
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When we last left off the car was clean and delivered to Northern California. Our first car show was not for another day so Paul and I decided to hit up the Monterey Historic Races being held at Laguna Seca Raceway.<br />
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Needless to say there was no shortage of interesting things there but a few cars stood out for their own special reasons:<br />
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First up is THE Ferrari F1 car that Niki Lauda retired at the Japanese Grand Prix in 1976. Those familiar with F1 history or the movie 'Rush' will appreciate the historical significance of this car.<br />
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Next up was this Chevy Monza race car that shared its exterior door handles with the interior handles used on the Dino. Now pure unobtanium I'm sure that back then these handles was available at your corner store. <br />
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Lastly it is not every day you see some $70-80 million dollars worth of cars parked next to one another. <br />
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With the day at the track all wrapped up we had one more stop to make before heading back to the hotel. Our friend (and blog follower) Ron called us early in the morning with a problem he was having with the door mechanism in his Dino. With his mechanic hours away, there was no chance of having it fixed in time for Concorso Italiano the next day.<br />
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Ron was able to describe the problem and luckily we knew exactly the repair. After a quick trip to Harbor Freight for some tools and with the help of a nearby bicycle Paul and I made a house-call and were able to fix his door and get him back on the road. Here we are in mid-fix with an impending feeling of deja-vu coming on....<br />
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<br />Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com11tag:blogger.com,1999:blog-8846314917642465023.post-12404620852064490002015-08-29T19:41:00.005-04:002015-08-29T19:45:30.778-04:00Our California Adventure! Part 1: Vehicle prep and shippingWelcome back faithful followers of the blog. It has been ages since we have posted so it is time to bring you up to date on some of our projects while also sharing some of our Dino stories. This will be the first of a series of posts where I will tell the tale of our recent California adventure.<br />
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As some of you may know, every year in August is Car Week in Northern California. Enthusiasts from around the world partake in car shows and auctions where the best cars are shown and the current market for classics is generally established. The pinnacle of this week is the Pebble Beach Concours D'Elegance and 2015 is special as the Ferrari Club of America (FCA) has decided to hold its annual meet just after Car Week thereby extending the festivities.<br />
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Since our last post winter fell heavily upon Canada and once the weather cleared we managed some really nice drives in the Dino. With California Car Week approaching the decision was made to ship the Dino down and take part in two shows: Concorso Italiano and the FCA National Concours.<br />
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Competing in these shows is not cheap with car transport, airfare, hotels, and general expenses making it a costly exercise. That said we had a special motivation to attend as Dad (who was unable to be at last years judging) was able to come and at the end of the show He and Paul would be able to take a once in a lifetime drive together down the coast along the famed HWY 1 to Southern California.<br />
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It would be a week of highs and lows with luck and fantastic human decency and kindness helping us through our challenges. We will tell the whole story over the next few posts so buckle up your Klippans because it is going to be a fun ride.<br />
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First step was prepping the car and shipping it to California. This all went smooth and was helped tremendously with our first stroke of luck. Just before making the decision to participate in the California events, some long lost money came back our way through a most entertaining and unorthodox series of events which both amused us to no end and covered the lions share of our journey. More on that perhaps another day but for now enjoy some prep and transport pics :)<br />
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<span style="color: red;"><b>Despite some 2000 kilometers since finishing the car we managed to keep it nice and clean</b></span><br />
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<b><span style="color: red;">Special Delivery :) </span></b><br />
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<br />Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com8tag:blogger.com,1999:blog-8846314917642465023.post-42258366487563891532014-11-30T09:10:00.003-05:002014-11-30T09:10:16.790-05:00Dino246.com BACK ONLINE!<div class="separator" style="clear: both; text-align: center;">
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<br />Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com1tag:blogger.com,1999:blog-8846314917642465023.post-50843897109895664802014-11-18T17:33:00.001-05:002014-11-18T17:33:11.772-05:00Dino246.com TEMPORARILY DOWN<div class="separator" style="clear: both; text-align: center;">
<b><span style="font-size: x-large;">Please note that Dino246.com is temporarily down and will be back up on Dec 1. The blog and its archives are unaffected. </span></b></div>
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<b><span style="font-size: x-large;">Any inquires before then can be directed to dino246@live.com</span></b></div>
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<b><span style="font-size: x-large;">Sorry for the inconvenience </span></b></div>
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<br />Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com2tag:blogger.com,1999:blog-8846314917642465023.post-51284992219790726932014-11-12T18:41:00.000-05:002014-11-17T17:50:00.696-05:00New Dino246.com Product: No Drill Magnetic License Plate MountOriginally the sheet metal on Dino's were not drilled at the factory for a rear license plate. This task was left to the discretion of the dealership with no official guides offered by the factory. As you can imagine this led to all sorts of unique interpretations of what the 'correct' spot was.<br />
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In our case after hours and hours of metal work we could not bring ourselves to drill a hole in the beautifully restored rear panel of our Dino and set about coming up with a solution that would allow a good mounting of the license plate without compromising the metal or the paintwork.<br />
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With this introduce a new product offering on Dino246.com which is a magnetic license plate mount kit. We'll repeat the link at the bottom but for the really excited here it is:<br />
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<a href="http://www.dino246.com/store.html" target="_blank">http://www.dino246.com/store.html</a><br />
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Kit is available in high polish chrome or semi-gloss black finish<br />
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The kit is made up of a high quality stainless steel license plate frame (available in semi-gloss black or polished chrome finish) together with special rubber coated high strength magnets that securely fix the assembly to the body.<br />
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Once installed the assembly fits nice and tight up against the body and shows no signs to any observers that the only thing holding it on are magnets.<br />
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Removal is very easy and the rubber coated magnets ensure that the paint is perfectly protected. The easy removal of the plate is particularly useful for cleaning as the exhaust on these cars is known for kicking up some soot on the rear of the car.<br />
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Also included in the kit are decorative screw covers for those owners who would prefer to not have visible fasteners. Screw covers come in chrome or black depending on the frame ordered.<br />
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We have tested this product on the road for over 1000 miles without the slightest issue. The frame stays perfectly secured and the paint underneath is totally unblemished.<br />
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<b><span style="font-size: large;">A few product notes:</span></b><br />
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- Plate frame is sized for North American license plates only and is 50 State Legal as it does not block registration stickers.<br />
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- This assembly is not intended to be a concours correct item however it solves the issue of mounting a plate frame without making holes on a concours correct car.<br />
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- Because this kit relies on magnets to hold the license plate in place it is for cars with steel bodies only (sorry to the Dino 206 owners out there).<br />
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- While it works great on a Dino this kit is fully applicable to any other car with a rear steel surface on which to mount a license plate (of which there are many). <br />
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<b><span style="color: red; font-size: large;">Purchase Online:</span></b><br />
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<a href="http://www.dino246.com/store.html" target="_blank">http://www.dino246.com/store.html</a><br />
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or click on the 'Store' link above (product is about half way down the page)Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com16tag:blogger.com,1999:blog-8846314917642465023.post-50189930515026598602014-09-05T15:19:00.002-04:002014-09-06T11:13:07.972-04:00Carb Tuning #6: Modern Fuels & Jet Selection When Tuning<strong><span style="color: red; font-size: large;">Understanding Modern Fuels</span></strong><br />
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Todays post will have no pictures but we cannot stress enough the importance of reading and understanding the following:<br />
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<span style="background-color: white; color: purple; font-size: large;"><strong><em>Modern fuels sold worldwide are WEAKER than those sold 40+ years ago when the Dino was a new car!</em></strong></span><br />
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If you choose not to take this at face value then below is a link to a more technical explanation of why modern fuels differ from those of a few decades ago:<br />
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<a href="http://www.enginebuildermag.com/2013/11/impact-of-todays-fuels-n-carbureted-engines/" target="_blank">Impact of Today's Fuels on Carbureted Engines</a><br />
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Returning to carb tuning this is important because understanding that modern fuels do not carry as much energy per volume means that the jet sizes listed in the factory shop manual are incorrect. This is not to say that the factory is wrong and that we know best. Remember that the shop manual was written over 40 years ago and the jet sizes quoted would have been right for the fuels available back then. Since the manual has not been updated for the times we hope that this blog post helps to determine the correct jet sizes for the fuel that is available in your area. <br />
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Regular blog followers will also know the meaning of the term <a href="http://dino246blog.blogspot.ca/2014/07/restoration-lesson-1-do-not-believe-in.html" target="_blank">'pixie dust'</a> and it is from one of these experiences that we were compelled to make the series of posts on carb tuning. We were misled into believing that a particular and well regarded mechanic had a special knowledge as to how to set up the carbs on our Dino. In the end we wasted a bunch of time and money on a guy who only would fiddle (and who knows how knowledgably) with the idle speed screws and idle mixture screws. He never once came close to replacing a jet nor did he know that modern fuels differed from what is available now. For him the 'Ferrari jet sizes' were carved in stone tablets brought down from the mountains so it was blasphemy to question them. Needless to say we got the heck away from him, learned what was right, and chose to share it here on the hopes of saving someone else the problems and unnecessary expense we went through. <br />
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<strong><span style="color: red; font-size: large;">Selecting the best jets</span></strong><br />
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<strong><span style="color: blue;">In 2014 if you are using the stock jet sizes in your carbs then your engine is not running at its best and likely far from it regardless of the condition of your engine or ignition system.</span></strong> <br />
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If you have read our previous posts on carburetor tuning you will now know 3 simple things:<br />
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1. Fuel today is weaker than fuel from 40 years ago when Ferrari specified jet sizes for the carburetors. The weaker fuel requires an increase in fuel delivery to achieve the same levels of performance and for your engine to run properly.<br />
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2. Idle Jets control the flow of fuel from idle to about 3000 rpm<br />
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3. Air Correctors and Main Jets control the flow of fuel above approx. 3000 rpm. <br />
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So the good news is that tuning the carbs requires only 3 jets per cylinder. Because the carbs are matched to the cylinders then any change is equal across all the carbs and there is no need for different jetting in different carbs. When you think of the number of parts that make up the carb, narrowing it down to only 3 pieces is welcome news indeed. <br />
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<strong><span style="color: red; font-size: large;">Jet selection guide:</span></strong><br />
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1. If you are running the stock jets then you will need to increase (not decrease fuel flow to the engine) for proper performance so only buy jets that will take you in the right direction. <br />
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2. If your engine is struggling, mis-firing, or is just plain not smooth between idle and 3000 rpm you need to go to a LARGER idle jet.<br />
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3. If your engine struggles, mis-fires, or lacks pull over 3000 rpm you need a combination to either DECREASE the size of the Air Corrector or INCREASE the size of the Main Jet. <strong><span style="color: red;">As a guide each change in size of Air Corrector normally results in a difference that is somewhere in the middle of a change in size of Main Jet. In other words think of a change in Main Jet as a larger change and a change in Air Corrector as a finer change.</span></strong><br />
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<span style="color: blue; font-size: large;"><em>The question then is 'what is the correct jet size for my car'?</em></span> <br />
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Always assuming an engine and ignition in good condition there is no one answer however it does depend on 2 main factors:<br />
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1. The general altitude you drive at. Higher altitudes = less oxygen requiring smaller changes from stock therefore the same car in La Paz Bolivia will have different jetting to one running in Southern California next to the ocean.<br />
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2. The composition of the fuel you use. Fuel sold in Germany is different to that found in Toronto making tuning very much a regional thing. <br />
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<strong><span style="color: red; font-size: large;">2 Ways to Tune:</span></strong><br />
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<strong>1. On a rolling road</strong><br />
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The best way to tune an engine is on a rolling road (also known as a 'dyno') with a Lambda probe in the exhaust. The rolling road simulates load while measuring horsepower & torque, and the Lambda sensor measures the quality of the combustion of the fuel by sampling the exhaust and feeding its data into a computer for immediate analysis. Jet changes can be done right on the rolling road, an immediate test can be done, and changes can continue until you make the most power while having the best air fuel mixture as measured by the Lambda sensor.<br />
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Realistically if you have a car with properly set up carbs as per our tutorial, with only the jetting requiring adjusting, & you have a basic selection of jets at your disposal, then 1 hour on the dyno is plenty to make all of the needed adjustments. Remember there are only 3 parts to play with and the stock sizes supplied by Ferrari get you fairly close to start. <br />
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<strong>2. On the open road</strong><br />
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The other way to tune involves doing real on road testing relying on the seat of the pants feel to determine how your changes affect the way the car drives. Doing this can be a lot of fun and a great learning experience. Here are some guidelines to help you:<br />
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1. On road testing should ALWAYS be done with the air cleaner installed to avoid the risk of ingesting something that could damage the engine.<br />
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2. Because factory jetting is too lean with modern fuels rest assured that your tests towards adding more fuel is SAFER for the engine than running the factory settings. Running lean is much more risky to the engine than running rich so if anything your attempts to tune will protect your engine.<br />
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3. Break down your testing in 2 parts: 1-idle to 3000 rpm , 3000 rpm and up. Doing so will allow you to concentrate on Idle Jets as one task and then Air Correctors and Main Jets separately. <br />
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4. Keep notes of your changes and how the car feels before and after. Note the weather, temperature, approximate altitude, and fuel being used. <br />
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5. Be sure to continue adding fuel until you feel that performance drops off. This way you will be able to know when you have gone too far and scale things back accordingly. Remember there is little to risk in going too rich with your jetting. <br />
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Knowing that starting from stock that the goal with modern fuel is to increase fuel delivery means that there are not a lot of combination of changes that can be made before you start giving the engine too much fuel and performance decreases. On a Dino buying the next 2 sizes up of Idle Jets and Main Jets as well as the next 2 sizes down of Air Correctors should be all you need to get your car dialed in regardless of fuel and where in the world you are tuning. We bought all of these parts for a total of less than $200 and strongly recommend <a href="http://www.piercemanifolds.com/" target="_blank">Pierce Manifolds</a> for all the Weber components you need. <br />
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<span style="color: red; font-size: large;">A note on our jetting experiences at time of writing</span><br />
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We are currently in the experimenting phase and with only about 500 km on the engine since finishing the car we are still in the running in period so have done little running over 5000 rpm. When the engine is fully run in we will go to the rolling road and give it a full tune. That said we eliminated a low speed stumble and off throttle popping by increasing idle jets from the stock 0.050 to 0.055 and will soon experiment with 0.060 idle jets to see if there is a little more power on the table. After this we will go down one Air Corrector size to give a little more fuel over 3000 rpm because we are for sure a little lean given the stock jets that are currently fitted. <br />
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A future blog post (not likely until next year) will document our dyno testing and we will share all of our jet selections then. <br />
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Until then we thank you for following our carburetion posts and hope that they were both informative and entertaining. <br />
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<br />Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com13tag:blogger.com,1999:blog-8846314917642465023.post-64621948931616699132014-09-04T19:57:00.000-04:002014-09-04T19:57:01.448-04:00Carb tuning #5: The High Speed Circuit (HSC) ExplainedHaving gone through our first 4 posts discussing carb tuning you should now:<br />
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1. Have a pretty clear understanding as to the basic operation of your carbs <br />
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2. Know the exact procedure required to setup the carbs on your Dino<br />
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3. Have an understanding as to how the Low Speed Circuit (LSC) operates and controls the flow of fuel to the engine from just past idle all the way up to about 3000 rpm<br />
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<span style="color: red; font-size: large;"><strong>The High Speed Circuit (HSC)</strong></span><br />
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With this knowledge we can now proceed to look at the Main or High Speed Circuit (HSC) which governs the flow of fuel to the engine from about 3000 rpm all the way to redline. While there are many parts to the system we will concentrate on the pieces that are most likely to be changed as part of tuning through carburetion. These parts are:<br />
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1. Main Jet<br />
2. Air Corrector<br />
3. Emulsion tube <br />
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Below are some images illustrating the location of these parts, what they look like assembled, and what they look like apart. We will add that <span style="color: red;">on a stock engine the Emulsion Tube does not really enter into the tuning equation so it is really the Main Jet and Air Corrector that we will focus on.</span> <br />
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<a href="http://3.bp.blogspot.com/-0yzevkIr2eI/VAj6kMe-uXI/AAAAAAAAEig/QJEtWwXL5zU/s1600/main%2Bjets.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-0yzevkIr2eI/VAj6kMe-uXI/AAAAAAAAEig/QJEtWwXL5zU/s1600/main%2Bjets.jpg" height="640" width="414" /></a></div>
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The image below will illustrate how these pieces work in the carburettor at engine speeds over about 3000 rpm. <br />
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<strong><span style="color: red; font-size: large;">Note that the vacuum created at higher engine speeds directs fuel away from the LSC to eventually reach a point when only the HSC is supplying fuel. 3000 rpm is not a definitive point where the HSC takes over the LSC. A transition takes place at about 3000 rpm so we use that as a guideline to determine the source of a carburetion problem. Below 3000 rpm look to the idle jet, above 3000 rpm look to the air corrector and main jet.</span></strong><br />
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<a href="http://4.bp.blogspot.com/-wfxMyoubTJ0/VAj6okpR2TI/AAAAAAAAEio/cuIJ8zneMts/s1600/high%2Bspeed.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-wfxMyoubTJ0/VAj6okpR2TI/AAAAAAAAEio/cuIJ8zneMts/s1600/high%2Bspeed.jpg" height="508" width="640" /></a></div>
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To explain what is happening in the above image, as the engine speed rises to about 3000 rpm and above, the increased flow of air through the throat of the carburettor causes the Venturi #3 to create enough vacuum that it draws fuel from the float chamber #8 and through the Main Jet #7. This fuel is mixed with air whose volume is metered by the Air Corrector #1. The mixing takes place in the Emulsion Tube #5 and the mixed fuel travels to the Venturi #3 where it atomized by the incoming air. The atomized fuel travels down the throat of the carburetor, past the throttle plate, and into the engine for combustion. <br />
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<span style="color: red;"><strong>As such if you want to affect the amount of fuel going to the engine in the HSC you can achieve this in one of 2 ways</strong></span><br />
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1. Increase the Main Jet size to let more fuel in or decrease the size the supply less fuel.<br />
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2. Decrease the size of the Air Corrector to let more fuel in or increase its size to supply less fuel. Remember the Air Corrector introduces air to the system so less air (ie a smaller Air Corrector) results in an increase of fuel delivery. <br />
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The explanation of the HSC often leads to a basic question:<br />
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<strong><span style="color: blue;">Why is an idle jet enough to run the engine up to about 3000 rpm while above that speed you need the Air Corrector / Emulsion Tube / Main Jet combination? Why is a Main Jet not enough?</span></strong><br />
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The answer is simple and lies in a basic weakness that makes up a basic carburetor. Because the engine in a car is expected to perform across a wide range of both speed and load its carburetor needs to be able to supply fuel as the engine accelerates and decelerates at a rate consistent with a optimal air/fuel ratio of about 12.5-16:1. At lower engine speeds the combination of the idle circuit and progression holes that make up the LSC are adequate to keep the air/fuel ratio within the required range and therefore a simple idle jet is all that is needed to meter the fuel.<br />
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As the engine increases in speed, the vacuum created in the Venturi starts to draw fuel at a rate that is faster than the increase of air that is coming in. The faster the engine turns the worse the problem becomes as the mixture gets richer and richer with any increase in engine speed. This is called The Mixture Enrichening Phenomenon.<br />
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To correct this, the Air Corrector / Emulsion Tube / Main Jet assembly was created. Fuel is metered by the Main Jet (just like the Idle Jet in the LSC) but additional air to correct for the Mixture Enrichening Phenomenon is introduced via the Air Corrector while the Emulsion Tube takes care of mixing the two. This assembly ensures that fuel is supplied to the engine in the HSC at the correct air/fuel ratio regardless of load or engine speed. Super simple yet very clever. <br />
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So there it is. The HSC explained and the parts identified to pay attention to when tuning. In our final and perhaps most important installment we will discuss modern fuels and proper jet selection for maximum performance. <br />
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<br />Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com1tag:blogger.com,1999:blog-8846314917642465023.post-27501814386502586932014-09-03T14:33:00.000-04:002014-09-03T14:33:00.332-04:00Carb Tuning #4: Setting the idle mixture & understanding the low speed circuitThe final step in adjusting the carburetors is setting the idle mixture. This is regulated by the idle mixture adjustment screws located at the base of the carbs. <br />
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<strong><span style="color: red;">At this stage I will re-iterate that the idle mixture screw is for setting the mixture at idle ONLY and not for correcting low speed running problems. We will discuss this in detail later in this post when we cover the basics of the low speed circuit that governs the flow of fuel to the engine from idle to about 3000 rpm</span></strong><br />
<strong><span style="color: red;"></span></strong><br />
The most accurate way to regulate the idle mixture is to use a CO meter however this is a rather obscure & costly tool that does not make up the tool box of almost any mechanic. There is however a simple procedure that can yield near perfect results using nothing more than your tachometer and some basic powers of observation. <br />
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<a href="http://4.bp.blogspot.com/-BR3S0Kmw0xA/VAc0OB2pl-I/AAAAAAAAEeY/zhuXN2dm0Qo/s1600/idle%2Bscrew.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-BR3S0Kmw0xA/VAc0OB2pl-I/AAAAAAAAEeY/zhuXN2dm0Qo/s1600/idle%2Bscrew.jpg" height="426" width="640" /></a></div>
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The idle mixture screw regulates the fuel that goes to the engine at idle. Close it too much and that particular cylinder will starve for fuel and it will cease to fire. Conversely open it too much and that particular cylinder will get too much fuel and will cease to fire.<br />
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One simple technique to see the effects of a non firing or 'dead' cylinder is to disconnect a spark plug wire while the engine is running. With the engine idling, pull one of the spark plug leads off of the plug and note the change in the behaviour of the engine as well as the drop in RPM registered on your tachometer. Doing this for a few seconds does no damage to anything but will clearly show what the result is of being down a cylinder.<br />
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<strong><span style="background-color: yellow;">NOTE OF CAUTION: SPARK PLUG LEADS CARRY A LOT OF VOLTAGE. WHEN DISCONNECTING A LEAD ON A RUNNING ENGINE BE SURE TO USE RUBBER GLOVES AND PROPERLY INSULATED PLIERS. ALSO BE SURE TO IMMEDIATELY PULL THE WIRE END FAR FROM THE CONNECTING TERMINAL ON THE SPARK PLUG TO AVOID THE SYSTEM FROM GROUNDING.</span></strong> <br />
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<span style="color: red; font-size: large;"><strong></strong></span><br />
<span style="color: red; font-size: large;"><strong>Procedure for setting the idle mixture</strong></span><br />
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1. We will assume the carbs are synchronized, the idle speed is set, that each carb is set to a baseline of 2 turns open on each idle mixture screw, & that the engine is up to temperature and running.<br />
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2. Using a screwdriver (preferably one with an indicating marking as shown in our previous posts) close the idle mixture screw 1/2 turn at a time allowing a few seconds to observe the result of the change. You will note that at one point the cylinder will cease to fire therefore making the idle speed drop much like what was observed when the spark plug wire was removed. <br />
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3. Having established the point at which the engine starves for fuel start opening the idle mixture screw again 1/2 turn at a time again giving a few seconds between adjustments to see the result of the change. You will note that the engine will progressively increase in RPM until a point at which the RPM's will start to drop (the point at which the mixture in that cylinder is too rich causing it to stop firing properly). <br />
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4. The goal is to set the idle mixture screw to the point where the engine runs fastest just before it begins to slow from being too rich. Because you were making your adjustments 1/2 turn at a time you are now in a range where the increase of 1/2 turn (the final observation from Step 3) caused the engine to slow. As such close the idle mixture screw 1/4-1/2 a turn from that point to achieve the optimal mixture.<br />
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5. Repeat this process for the other 5 cylinders.<br />
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<strong><span style="color: red;">TEST YOUR WORK</span></strong> When you are all done to test your work you can pull one spark plug lead at a time (never running with less than 5 cylinders) and note the number of RPM's the engine looses. You will know things are operating correctly if the engine drops a near equal amount of RPM every time a spark plug is disconnected. <br />
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<strong><span style="color: blue;">Having varied the mixture at idle, it is likely that the idle speed will have changed. If this happens re-adjust the idle speed as previously outlined checking with your synchrometer that the carbs continue to flow equally</span><span style="color: blue;">. Dino's seem to like an idle speed between 700-900 rpm.</span></strong> <br />
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Your carburetors are now set and you are ready to start an on road evaluation of your carburetion. <br />
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<span style="color: red; font-size: large;"><strong></strong></span><br />
<span style="color: red; font-size: large;"><strong>The Weber low speed circuit (LPC) explained (idle to 3000 rpm)</strong></span><br />
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Before explaining the low speed circuit on the Weber carburetor we need to review some basic points outlined in our previous posts:<br />
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1. The idle mixture screw is for setting the idle mixture only and not for correcting low speed running problems<br />
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2. The idle jet despite its name controls the flow of fuel up to about 3000 rpm in what is known as the 'progression' or 'low speed circuit' (LPC for short)<br />
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3. The idle speed screw should not be turned in too much (more than about 1.5 turns) to avoid introducing the LPC during idle. <br />
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<strong><span style="color: red;">To best picture what is happening reference the photo below:</span></strong><br />
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<a href="http://4.bp.blogspot.com/-WhdsHzL-kp0/VAc0PLR78mI/AAAAAAAAEeg/4MrI-D2jxrQ/s1600/idle%2Bmixture.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-WhdsHzL-kp0/VAc0PLR78mI/AAAAAAAAEeg/4MrI-D2jxrQ/s1600/idle%2Bmixture.jpg" height="500" width="640" /></a></div>
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At idle air is flowing through the main throat of the carburettor and its flow to the engine is regulated by the throttle valve #14 (or plate as it is often known). The movement of the throttle plate is controlled by the position of the accelerator pedal and its closed position is controlled by the idle speed screw. When properly set, at idle, the throttle plate is opened just enough to allow air to mix with the fuel metered by the idle mixture screw #15 <span style="color: red;">but not open so much that the progression holes #13 are exposed.</span><br />
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The progression holes #13 by their name allow for a progressively increased amount of fuel to the engine as the throttle plate opens beyond the idle position therefore increasing the fuel/air mixture to the engine and consequentially increasing the engine speed. <br />
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<span style="color: red;"><strong>The operation of the engine from idle to approx. 3000rpm is controlled by the LSC whose only source of fuel is the IDLE JET. As such the idle jet controls the flow of fuel to the engine up to about 3000rpm (when the main circuit kicks in; to be discussed later).</strong></span><br />
<strong><span style="color: red;"></span></strong><br />
<span style="color: black;">With this understanding of how the LSC works and where the engine gets its fuel from in the range of idle to 3000rpm, you can now see how very important the idle jet is and why it is often overlooked as the source of problems when trying to get the low speed running properly calibrated. </span><br />
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Dino owners will often talk about having a low speed stumble, or backfire when pulling away or when the engine is operating at or below 3000 rpm and these issues are almost always approached with corrective measures involving the idle speed screws and the idle mixture screws. <strong><span style="color: red;">This is WRONG. Idle mixture screws and idle speed screws are for idle only. If you have a low speed running problem at engine speeds under 3000 rpm, your problem is the idle jets.</span></strong> <br />
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We'll discuss this and jet selection in greater detail later once the high speed circuit and the potency of modern fuels is explained in our next two posts. <br />
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Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com0tag:blogger.com,1999:blog-8846314917642465023.post-70761239449256257742014-08-31T20:50:00.001-04:002014-09-01T18:05:00.866-04:00Carb Tuning #3: Setting idle, synching carbs, & air correctionHaving established what the various adjustments on the carburetor do, amassed the tools required to do the job, and prepared your car for its tune we can finally get to the fun stuff which is adjusting the carbs.<br />
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<strong><span style="color: red; font-size: large;">Baseline Settings</span></strong><br />
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We will assume that we are dealing with a car that is totally out of adjustment or carbs that have been freshly re-built. As such we will need some baseline settings that allow you a point from which to start your tune. That said the starting settings should be as follows:<br />
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<strong><span style="color: red;">Air bypass screws -</span></strong> Set totally closed an all carbs. Note that these are taper needle seats that only require a light tightening when they bottom out. Be careful not to over-tighten them. Once they are tight be sure to re-set their locking nuts. <br />
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<span style="color: red;"><strong>Idle mixture adjustment screws -</strong></span> Two full turns open from the closed position. Again these have tapered seats so no need to close them tightly.<br />
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<span style="color: red;"><strong>Idle Speed Screws -</strong></span> One full turn in from the moment they touch the throttle mechanism. As a tip you can use a piece of paper between the screw and throttle to feel the moment the screw touches the throttle mechanism. The moment it touches the paper will no longer slide between the screw and the throttle and it is from this point that you turn an additional one turn in (therefore opening the throttle butterflies a little bit). Do this on all three carbs. <br />
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<a href="http://4.bp.blogspot.com/-ccRJc5eoOKI/VAOyAekOs_I/AAAAAAAADsU/ztlCoHqrKRo/s1600/baseline.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-ccRJc5eoOKI/VAOyAekOs_I/AAAAAAAADsU/ztlCoHqrKRo/s1600/baseline.jpg" height="382" width="640" /></a></div>
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<strong><span style="color: blue;">If you have spent time reading the blog, getting your tools in order, or just doing your pre-tuning prep, bear in mind that your car will have cooled considerably. At this stage re-start the engine and let the car come up to operating temperature.</span></strong> <br />
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While the engine is warming up you can practice using your synchrometer to get a feel for how it works. Try placing it in the throat of one carburetor and mentally note what number it reads. Now move it to the other throat of the SAME carburetor. If you are lucky the numbers may read the same but more likely they will be a little different. We'll equalize these later.<br />
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Having played with one carb repeat the steps on the other carbs noting the differences from carb to carb and between throats of the same carb. Making all of these equal will be the task we are faced with and knowing what affects what will make it seem all very simple by the end. Now on to setting the idle speed. <br />
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<strong><span style="color: red; font-size: large;">Setting the idle speed</span></strong><br />
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There are 2 schools of thought as to how to set the idle:<br />
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1. Remove the arm that connects the throttle linkages and set the idle using the individual speed screw on each carb. Once this is done fit the arm back to the carbs ensuring that it slides on without changing any of the settings.<br />
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2. Set the idle using only the speed screw on one carb and the linkage installed. <span style="color: red;">This is the method outlined in the owners manual and the one we will go by in this tutorial</span>. I prefer this method because it utilizes the throttle linkages which is how the final assembly is anyways. <br />
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In order to use the 2nd method you use the idle speed screw on the #3 carburetor (the one furthest from the distributor) and adjust the position of the mounting blocks on the connecting arm on carbs #1 & #2 in order to get all of the throttle plates opening the same amount at idle. <br />
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<a href="http://2.bp.blogspot.com/-LBuqkMAgB3s/VAO56FROjcI/AAAAAAAADsk/O3yA_xMfZuM/s1600/idle%2Bspeed.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://2.bp.blogspot.com/-LBuqkMAgB3s/VAO56FROjcI/AAAAAAAADsk/O3yA_xMfZuM/s1600/idle%2Bspeed.jpg" height="384" width="640" /></a></div>
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This may sound confusing but it is really easy when you wrap your head around the mechanics of what is happening. At idle we will measure the throttle plate opening is using your carb synchrometer referenced to the engine speed measured on your tachometer.<br />
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Here are the steps to follow:<br />
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1. With the engine up to temperature and idling back off the idle speed screws on the #1 & #2 carb so that they are no longer touching the throttle assemblies. <br />
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2. Using the speed screw on the #3 carb turn it so that the engine holds an idle of about 900 rpm <br />
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3. Using your synchrometer note the readings on both throats of each of the 3 carbs. The values will differ from carb to carb and between throats of the same carb. You are interested in the HIGHER value recorded per carb regardless of which of the two throats it comes from. In other words you will have three pairs of numbers (values of two throats per carb x 3 carbs) and you are interested in the higher number that each carb (NOT the outright 3 highest numbers) produces regardless of which throat generates that number. Hopefully that is clear. <br />
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<strong><span style="color: red;">The final goal is to achieve an idle speed of 900 rpm while matching the HIGHER throat to throat value from carb to carb. At this stage this is achieved ONLY via a combination of the speed screw on carb #3 & the blocks on the linkage of carbs #1 & #2.</span></strong><br />
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<span style="color: red;"><strong>You are not after a particular number on your synchrometer but to have a value where each carb has at least one throat that reads the same number as one throat on the other two carbs.</strong> </span><br />
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This will require some detailed adjusting of the #3 carb speed screw and linkage blocks of the #1 & #2 carbs. Achieving equal numbers on at least one throat of each of the 3 carbs while maintaining an idle speed close to 900 rpm does not take very long provided you follow a methodical approach. After achieving three equal readings, be sure to accelerate the engine a few times by hand allowing the throttle mechanism to cycle and check your work. This step is complete once the engine holds a steady idle near 900 rpm while having one throat of each carb equal to or 'synched' to the other carbs.<br />
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Below is an example of what to shoot for when setting the idle speed. Remember the ACUTAL NUMBER DOES NOT MATTER and does not need to match what is in the photo. What you do want is for one throat of each carb to be equal to at least one throat of each of the other carbs. In the image below you will note that each carb has at least one throat that reads 3.5 when the engine is at 900 rpm.<br />
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<a href="http://4.bp.blogspot.com/-r4sJLHLndXo/VAO9hCNZvQI/AAAAAAAADsw/8SxzYayCOxE/s1600/sample%2Breadings.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-r4sJLHLndXo/VAO9hCNZvQI/AAAAAAAADsw/8SxzYayCOxE/s1600/sample%2Breadings.jpg" height="388" width="640" /></a></div>
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<span style="color: red; font-size: large;"><strong>Synching the throats with the air correctors</strong></span><br />
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If you remember our lessons so far then we know that (when properly set) at least one air corrector on each carb is left closed. Like their name implies, the air corrector 'corrects' for differences in airflow between the two throats of a single carb. <br />
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At this stage we have one throat of each carb equal to at least one throat of the other two carbs.<span style="color: red;"> Lets call this value the <strong><em>SYNCH NUMBER.</em></strong></span> Also (if we followed the procedure), the other throat will have a number EQUAL TO or LOWER than the synch number. Unscrewing the air corrector on the 'low' side allows us to RAISE the value up to the synch number ensuring that both throats on the carb flow the same.<br />
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The photo below illustrates a hypothetical synch number of 3.5 and the green arrows show the throats that require their air correctors opened in order to achieve a value of 3.5 on all 6 throats.<br />
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<a href="http://3.bp.blogspot.com/-hVLr4G9_bwo/VAPAI4i7KLI/AAAAAAAADs8/eyv1dwIobFE/s1600/ac1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-hVLr4G9_bwo/VAPAI4i7KLI/AAAAAAAADs8/eyv1dwIobFE/s1600/ac1.jpg" height="388" width="640" /></a></div>
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To do this work only on the air corrector that is on the low reading throat. Here are the steps:<br />
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1. With the engine idling determine which throat on a particular carb reads your synch number.<br />
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2. Now take a reading on the opposite throat of the same carb. If the number is the same you are finished and can move on to the next carb.The number will otherwise be lower on this throat so you need to loosen the lock nut on the air corrector of that throat and unscrew the air corrector until you achieve a reading equal to the synch number. <br />
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3. When you have achieved a matching number be sure to fix the air corrector in place by tightening down the lock nut.<br />
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4. Repeat the procedure to the other two carbs.<br />
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Once this is done, your synchrometer should read an equal number on all 6 throats.<br />
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At this stage you now have your idle speed set and all three carbs are properly synchronized. It may seem like a lot when you put it in writing but in reality this entire procedure can be carried out in much less than 30 minutes. <br />
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<span style="color: red;">One final step is to turn the idle speed screws on Carb #1 and Carb #2 to the point where they 'just' touch the throttle mechanism. Again a piece of paper can be used between the tip of the screw and the mechanism to be sure of the point of contact. Be careful to ensure that the speed screw does not alter your synchrometer numbers in any way. If your numbers change it is because the speed screw is turned in too much and needs to be backed off a hair.</span> <br />
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The next step (and subject of our next blog posting) will be setting the idle mixture screws which will conclude the basic setting up of the carburetors. Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com2tag:blogger.com,1999:blog-8846314917642465023.post-73679057588648064472014-08-17T12:42:00.001-04:002014-08-17T12:42:20.898-04:00Carb Tuning #2: Tools needed, pre-tuning prep, & general pre-requisites With a basic understanding established of what the various adjustments do on the Weber carbs fitted to a Dino lets now get ourselves ready to tune. In order to do this we will cover three items in this post:<br />
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- Tools needed <br />
- Pre-tuning preparations <br />
- General pre-requisites before getting started<br />
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<span style="color: red; font-size: large;"><strong>Tools needed</strong></span><br />
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In addition to a pair of ears to listen to the engine, there are only a few tools required to tune the carburetors. <br />
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#1 - A flat headed screwdriver to adjust the various speed and mixture screws. As a tip I make a small mark on one of the flats of the screwdriver to help me keep track of the number of turns and half-turns that I am making when adjusting the carbs. Remember these adjustments are made while the engine is running so it can be a little distracting and the mark helps quite a lot.<br />
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#2 - A carburetor synchrometer. It may sound fancy and expensive but a synchrometer is nothing more than a tool that measures airflow in the carburetor and costs less than $50. It is an essential tool for setting the carbs and makes you look really knowledgeable to casual observers when you use it. <br />
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<a href="http://1.bp.blogspot.com/-pmIq-jC2q18/U-_vbH9gvpI/AAAAAAAADKg/t05gKKW4cPU/s1600/1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-pmIq-jC2q18/U-_vbH9gvpI/AAAAAAAADKg/t05gKKW4cPU/s1600/1.jpg" height="478" width="640" /></a></div>
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#3 - Not totally essential but I like to use a digital timing gun to have a quick reference of the engine RPM's. It saves constantly looking into the car to reference the tachometer, acts as reference to check the accuracy of the tach, and is an essential tool anyways in the toolbox of someone who works on old cars. You may not need it to set up the carbs but it is required to make sure the ignition is working properly. <br />
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#4 - Lastly are some 8mm and 10mm wrenches to adjust the throttle linkage and the air bypass screw lock nuts. Simple stuff that should already be in the tool box. <br />
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<span style="color: red; font-size: large;"><strong>Pre-Tuning Prep</strong></span><br />
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Before getting started it is necessary to get your Dino (or other classic) ready to tune. The following is a checklist of things to do.<br />
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- Warm the car up to full operating temperature<br />
- Remove the rear engine cover<br />
- Remove the airbox cover<br />
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- Remove the nut (27mm wrench) that holds the crankcase breather assembly to the airbox. It is much easier to leave this entire assembly intact and remove it from the airbox rather than disconnecting all of the hoses that lead to it where visibility is greatly reduced.</div>
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<span style="color: red;">Note the tape placed over the carburetor inlets to eliminate the chance of dropping anything down the carb openings.</span> </div>
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- Remove the nuts that hold the airbox to the tops of the carburetors. There should be 12 of them and can be removed using an 8mm socket. Also loosen the large hose clamp that connects to the ribbed inlet hose to the airbox. </div>
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- Pull the airbox out being very careful not to loose any of the tube 'top hat' spacers that go under each of the nuts you previously removed. Some of these spacers may stay behind on the studs on the top of the carbs while some may come on the rubber sealing gaskets that are on the airbox. This is ok as long as you have all 12 of them accounted for once the airbox is removed. <br />
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- Re-connect the entire crankcase breather assembly. I used one plastic zip tie to hold the assembly in its finished position. </div>
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- I will add that some people disconnect the throttle linkage where it meets the #3 (left most when viewing the engine from behind) carburetor while others leave it connected. I have done it both ways with equal results always assuming that the assembly is free of un-necessary play or binding. </div>
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- If you are using one, connect your electronic timing light to act as your tachometer and <strong><span style="color: red;">take the pulse from the #3 cylinder</span></strong>. This is the rightmost cylinder on the rearward bank (the one closest to the distributor).</div>
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The previous list may seem like a lot but it can all be done in about 15-20 minutes. You are now ready to get started with your tuning. </div>
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<span style="color: red; font-size: large;"><strong>General pre-requisites</strong></span> </div>
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All of the steps outlined in this post make some assumptions before tuning begins in earnest. Please be certain of the following before proceeding as carburetion is often cited as the cause of other problems:</div>
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Note that this list also works as a good troubleshooting guide if you struggle to get the carbs to setup properly. Setting the carbs is easy but you need to remember that everything around them need to also work well in order for the carbs to properly do their job. </div>
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<strong>1. Make sure your ignition system is working properly.</strong> This includes:</div>
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- Spark plugs are clean, of the correct type, and gapped appropriately</div>
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- Spark plug wires are in good shape </div>
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- Ignition cap and rotor are in good shape and not cracked</div>
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- Ignition advance mechanism is not seized and is operating properly. This can be tested on a running engine using your timing light. Testing that the distributor is properly advancing is very easy but is beyond the scope of this tutorial (we will cover this in a dedicated post in the future). <span style="color: red;"><strong>We will proceed assuming that your distributor is advancing properly but note that this is one of the leading causes of poor running engines that are improperly diagnosed as carburetion issues.</strong></span> </div>
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<strong>2. Make sure the fuel system is working well.</strong> This includes</div>
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- Fresh fuel in the tank</div>
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- Fuel filter that is clean</div>
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- Fuel lines that are in proper shape and not cracking or deteriorated</div>
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- Throttle linkage that is properly lubricated and free of any play or binding. </div>
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- Make sure your float level is properly set on the carburetors. Here is a link to an excellent tutorial outlining this procedure:</div>
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<a href="http://www.birdman308.com/service/floats/float_height.htm" target="_blank">http://www.birdman308.com/service/floats/float_height.htm</a></div>
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- Make sure the carburetor has matching idle jets, main jets, and air correctors. Jetting may be different to stock but as a baseline here are the factory installed components on the Weber DCNF 40 carbs fitted to the Dino</div>
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<a href="http://1.bp.blogspot.com/-wvkG4UjPnFI/U_DW_0FSwvI/AAAAAAAADLs/E_adEwUtuDA/s1600/carb4.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-wvkG4UjPnFI/U_DW_0FSwvI/AAAAAAAADLs/E_adEwUtuDA/s1600/carb4.jpg" height="598" width="640" /></a></div>
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<strong><span style="color: red;">Note: Do not always trust the sizes stamped on jets!</span></strong> These cars are old and lots of people have likely messed with them over the years. Quite often jets have been drilled out so their size is larger than what they show. I always check jets (even new ones) using a simple jet gauge. This is a tool with calibrated pins that either fit or don't fit into the jet openings and can be bought for about $15 on eBay or from whoever you buy your carburetor parts from. </div>
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<strong>3. Make sure the engine makes proper compression.</strong> </div>
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With everything apart this is a good time to check the compression of the engine. Again this is a separate procedure not covered in this tutorial but it is easy to find a YouTube video showing exactly how to test for proper and even compression. An engine with low compression can be tuned but having one or more cylinders with very low compression relative to the others will make proper tuning almost impossible. It is also good to know the health of your engine so a compression test is always a good idea if you do not know what condition your motor internals are in. </div>
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It may seem like a lot but really it is not. Being careful and methodical in setting up the carbs may not be glamorous but it is where the magic really is. Proper preparation and understanding of simple individual tasks is what will make you look like a factory trained carb tuning rock star. </div>
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Our next two carb tuning posts will cover idle and air correction adjustments followed by idle mixture adjustment. This will all be carried out on a running engine and again follows a structured approach that leaves little room for error. Stay tuned.</div>
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Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com1tag:blogger.com,1999:blog-8846314917642465023.post-70033477896145043752014-08-14T10:34:00.001-04:002014-08-14T10:34:27.453-04:00Carb tuning #1: Weber DCNF carbs and their adjustments explainedWith the car built and now on the road one of the most important items is ensuring that the carburetors are properly adjusted. This subject is often treated as some sort of black art that only the most skilled and special are able to do; TOTAL NONSENSE. <br />
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The reality is that carb adjustment can be done by the home mechanic to a very high level with minimal tools. What is necessary is a clear understanding of the various adjustments and how they affect the running of the engine. It is this understanding that a shocking number of 'experts' lack and our series of carb tuning posts are aimed at dispelling many of the myths out there giving Dino owners the confidence to tackle this project themselves. <br />
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To start we will look at the Weber 40 DCNF carb fitted to the Dino and identify and explain the parts that are touched when tuning the engine. <br />
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<span style="color: red;">*Note that we will only address the high speed running circuit late in our posts. For now all the focus is on the items that affect the running of the engine below about 3000 rpm</span>.<br />
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Below is an image of the carb fitted to a Dino. It is a dual throat construction where each throat feeds a single cylinder. As such the Dino has 6 cylinders so 3 carbs are fitted. <br />
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<a href="http://1.bp.blogspot.com/-q9VrI0N_44Y/U-y8j3wG-VI/AAAAAAAADKA/g3YuXBOR_TU/s1600/carb3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-q9VrI0N_44Y/U-y8j3wG-VI/AAAAAAAADKA/g3YuXBOR_TU/s1600/carb3.jpg" height="580" width="640" /></a></div>
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Now for an explanation of the marked parts:<br />
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<strong><span style="color: red; font-size: large;">Idle jet</span></strong> <br />
- There are 2 idle jets per carb (one per throat & the 2nd one is not visible in the picture). Each jet acts totally independent of the other.<br />
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- Located under the screw in the photo is one of the idle jets. It is nothing more than a brass tube with a calibrated hole in it. These jets are available with larger or smaller holes depending on the amount of fuel you wish to introduce to the engine. <br />
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<strong>- Contrary to its name the idle jet supplies fuel to the engine up to about 3000 rpm so it is a vital part of the tuning equation.</strong> This will keep coming up so be clear on this point<br />
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<span style="color: red; font-size: large;"><strong>Idle mixture adjustment screw</strong></span><br />
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- Again there are two of these which act independently on each throat of the carburetor <br />
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- These screws can be adjusted down all the way to fully closed where no fuel gets to the engine during idle<br />
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- <strong>The adjustment of these screws are to be used ONLY to adjust the mixture at idle! Mechanics often turn these to correct low speed running problems and this is totally wrong. The idle screws are for idle ONLY.</strong><br />
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<span style="color: red; font-size: large;"><strong>Air bypass screws</strong></span><br />
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- One per throat <br />
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- Allows for a compensation between throats of a single carburetor to equalize the flow between the two barrels. <br />
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- When properly adjusted, one of the air bypass screws is closed while the other is open a measured amount. We will discuss this setting later but if both are open the carb is not set correctly. In some instances both may be closed but for both to be open is not correct. <br />
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<strong><span style="color: red; font-size: large;">Idle speed screw</span></strong><br />
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- Because the each carb has only one throttle shaft that operates both throttle butterflies there is only one speed screw per carb.<br />
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- Think of the throttle butterflies as doors that allow the air/fuel mixture to enter the engine and the idle speed screw is a stop that controls how much the door closes. Because the engine needs a certain amount of air/fuel mixture in order to idle, the speed screw allows for a fine adjustment of how close to closed the butterflies are and is essential in setting the idle speed of the engine. <br />
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- The idle speed screw is one of the most tinkered with screws on the carb and is often opened far too much. Generally speaking if the screw is in more than 1.5 turns from the moment it contacts the throttle then it is turned too far.<br />
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Below are some more photos of some of the parts we mentioned allowing for a different perspective.<br />
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<strong><span style="color: red; font-size: large;">Summary</span></strong><br />
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- Idle jets control the engine up to about 3000 RPM<br />
- Idle mixture adjustment screws are to control idle only<br />
- When properly set only one (or neither) of the air bypass screws are open; not both.<br />
- Idle speed screw is used to set idle speed only and should be kept between about 1-1.5 turns from the first point of contact. <br />
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With the basic adjustment points explained the next in our series will look at the tools needed for the job of carb tuning as well as outlining the basic approach when setting the carbs. Future posts will take us step by step (with lots of photos) through the whole tuning procedure hopefully giving blog followers the confidence to do this job themselves. Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com3tag:blogger.com,1999:blog-8846314917642465023.post-91630954685917115122014-07-21T21:11:00.000-04:002014-07-21T21:11:24.133-04:00Restoration Lesson #1: Do not believe in magical pixie dust<div class="separator" style="clear: both; text-align: center;">
<a href="http://2.bp.blogspot.com/-QgFpRxhzwB4/U8251GoqOWI/AAAAAAAADJg/a5PmNtqXloE/s1600/dino246_pixiegarage.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://2.bp.blogspot.com/-QgFpRxhzwB4/U8251GoqOWI/AAAAAAAADJg/a5PmNtqXloE/s1600/dino246_pixiegarage.jpg" height="454" width="640" /></a></div>
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With our restoration mainly behind us we decided it would be a good idea to share some of the lessons we learned when restoring our Dino. While these lessons can be transferred to a number of different projects, they are the product of our observations and experiences in dealing with a multitude of vendors and workers in the restoration and automotive service field. Our experiences have been diverse but certain constants seem to continue to pop up over and over again and it is these patterns that will serve as the basis for a series of posts aimed at helping fellow classic car owners. With that said I shall introduce our first lesson:<br />
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Do not believe in magical pixie dust<br />
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I can already sense the looks of confusion but allow me to explain. The classic car service and restoration industry is inundated with mainly self-proclaimed experts who tout their services as being special and not available anywhere else. Spend any time at a car show and you will hear stories of a mythical mechanic who is 'the only person I trust my car to'. This is normally followed by some tale of an iconic mechanic he trained under, or some special connection he has to the factory, or how he only tunes engines at dawn, etc., etc., etc. <br />
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We have come to call this indulgent self-promotion 'magical pixie dust' where owners very much believe that supernatural occurrences take place while their car is being serviced or restored at the hands of their perceived vehicular savior. Of course I am glorifying things a little here but we have met a countless number of vintage car owners that speak of their chosen service facility with a reverence normally reserved for a magician or sorcerer. <br />
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The reality is that a vintage car was built by human beings and will be repaired by human beings with the goal of this lesson being that it is most important to judge ACTUAL RESULTS rather than be blinded by the reputation that a particular person or shop has. Reputation has some value but it is the result YOU get and the quality of service YOU receive that truly judges how competent a particular technician is. <br />
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We fell foul to this on a number of occasions during our project falsely believing tales that ended up being as founded as a handful of magical beans. In the end we learned to not get wrapped up in elaborate stories but to coldly and methodically judge results in a vacuum devoid of over hyped emotion. As soon as we started doing this the quality of our results really increased as we began working with REAL professionals who would tackle problems methodically and would reference proper technical texts to ensure the correct results. <br />
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In the end a car is nothing more than a machine with a large number of numerical specifications to its many parts. Assembling to these specifications using good mechanical practices is where the real experts shine and there is no magic about it. Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com2tag:blogger.com,1999:blog-8846314917642465023.post-62647671337005625072014-07-02T10:25:00.003-04:002014-07-02T10:27:05.013-04:00Our Goals Exceeded: FCA National Meet Judging Sheet Received Ferrari Club of America judging rules dictate that your judging sheet showing your deductions is sent to you a few weeks after the show. Up to this point all we knew is that we had scored 95 points or better to achieve a Platinum Award but did not know how close to 100 we did. <br />
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As previously stated 100 points hardly ever happens as judges get infinitely more picky as a car approaches a perfect score. On our end we were never arrogant enough to think we would score 100 either. After all we are just some newbie restorers doing our first Ferrari so we felt that we were bound to make a mistake somewhere along the lines that would be cause for deduction. In addition judging errors do happen so you must also take into account the human fallibility of the volunteers who evaluate the cars. With all this in mind we had set a goal of 98 points or better and worked hard towards that outcome.<br />
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Today the judging sheets came in and with it came a pleasant surprise. In the end we scored 99.5 points out of 100. With a half point being the smallest deduction possible we came as close to perfect as the rules allow which is better than we hoped for.<br />
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<strong>The obvious next question is: Why not 100? and What was the half point deduction for?</strong><br />
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The answer to the second question is easier than the first so we will start with the low hanging fruit. <br />
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The leading edge of the doors on the Dino have a soft rubber trim on them that tucks under the rear edge of the front fender. When the trim is 100% brand new it takes a while for it to take its final set so from time to time it catches on the fender and sticks up a little. In our case we had our trim fitting well however when it was being loaded onto the truck for delivery it somehow got caught and spent 2 days bent backwards in the hot truck. When we unloaded for our final prep we saw the molding was deformed and did our best to get it set back into its correct position for the show. The extreme heat and humidity did not help our cause but we were able to get it to the point where 8 times out of 10 it would work well with time being the only proper remedy. Come show time the molding stuck ever so slightly when closing the door and we were deducted the half point because of it. With nothing more than a few days to heal itself the molding is now working perfectly again so all we can do is shrug our shoulders and call it one of those things that happen.<br />
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That said, we are realistic and believe that had it not been for the sticky molding at that moment 'something' would likely have been found (no car is perfect) as 100 scores are as rare as a 'hole in one' in golf. <br />
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99.5 Points at the Ferrari Club National Meet for a Dad and two brothers working in their spare time as total amateurs. We'll take it :) Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com1tag:blogger.com,1999:blog-8846314917642465023.post-38527522873350830522014-06-29T21:26:00.000-04:002014-06-29T21:26:57.541-04:00An empty parking lot: The first shakedown runsWith barely a single low speed kilometer on the clock since restoration, the time had now come to start running the car more seriously. While it would be great to just hop in and go for a cruise the reality is that for the car to run properly, hundreds of assemblies need to operate without problem. <br />
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Having had the whole car completely apart down to the disassembly of the clock, we felt that a progressive and metered approach to getting our Dino fully road worthy was called for. As such we have begun a process of progressively longer and more involved drives between which a comprehensive check of the tightness of all the fasteners is done. Racers call this giving the car a proper 'nut and bolt' and today was the first of these tests.<br />
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Lucky for us there is an enormous convention center only a few hundred meters from our office and today (being a Sunday) the entire complex was all but deserted. As such we had access to a number of roads and large parking lots on which to put our Dino through its paces. Operating in this controlled environment was great because it allowed us to really pay attention to the car without concern for other vehicles. Also should a mechanical problem arise we are not too far from home. <br />
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It all felt a little like those days way back when Dad would take us to a parking lot on a weekend to teach Paul or I to drive. For a good while we just circled the complex and with time built up more speed and confidence with the car. While keeping the engine within its break in max RPM we still managed some blasts up to about 70mph as well as some proper brake and cornering tests. <br />
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The test went well with no visible mechanical issues. The real proof will come when we get the car cooled and on the hoist for a comprehensive nut and bolt. If we don't find anything serious then the next run will be longer and on the public roads. <br />
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Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com0tag:blogger.com,1999:blog-8846314917642465023.post-33653720626700734052014-06-26T21:46:00.003-04:002014-06-26T21:46:56.411-04:00Filtering out the details: Making a period correct looking Fram oil filterWhile there are no concours point deductions for the use of modern service items such as oil filters we still wanted our Dino to look factory fresh and that included fitting the correct Fram Carello oil filter. <br />
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Of course these have not been available for decades so we re-painted and re-labeled a modern oil filter to look like the original. <br />
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A small detail that made the engine bay look all the more authentic.<br />
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Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com4tag:blogger.com,1999:blog-8846314917642465023.post-23419951307120165822014-06-16T22:04:00.000-04:002014-06-16T22:04:02.178-04:00David vs. Goliath: Our tale of the 2014 FCA National Concours<div class="separator" style="clear: both; text-align: left;">
In our last installment we showed the car after it had been finished and put on a truck to Virginia for the Ferrari Club of America (FCA) Annual Meet. Part of that event is the concours which we aimed to participate in. For the uninitiated, a concours is an evaluation of your car by expert judges who begin with a score of 100 and remove half or full points as they find flaws in workmanship, condition, or historical accuracy. The FCA has a standard that anything over 95 points is considered a 'Platinum' car and it was our intention to shoot for as close to 100 as we could get. </div>
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Perfect scores almost never happen as judges are reluctant to score a car as faultless making the last 5 points very very difficult to get and the last point near on impossible to achieve. That said we felt we were well prepared and wanted to do our best. </div>
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The concours was last Thursday but things really started in earnest when the car was delivered to Ferrari of Washington on Wednesday for its final prep. The guys at FOW were great and we want to send them a special thanks for allowing us a few hours in their service bay to give the Dino its last spit and polish before the show. The weather was ungodly hot and it was great to have the air conditioned comfort of the dealership to work in. </div>
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Finally the day of the show arrived and we thought we would tell our story one photo at a time.</div>
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The first two photos are of Paul ready to join the show field. It had rained the evening before and we had 01464 looking its best.</div>
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Next up were the competitors. The Dino class was small with only 3 cars entered. Despite this they were all of a high standard and the other two cars would go on to score Platinum themselves. The red GT in the photo belonged to our friend Hugh who had 3 flight cancellations the day before and would miss judging having shown up about an hour late after an early morning plane ride. As such we fielded and showed his car for him and he was able to take home a top prize. <br />
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Now it was about to be our turn. Paul and I have a last minute discussion before it is time to be judged. <br />
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In addition to the concours supplied information sheet (seen on the dash) we included an additional information board indicating this as the Dino profiled on this blog. It was great to have a number of blog followers come and show their interest and give their feedback on the project.<br />
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Prior to inspecting the car Paul introduces himself and the vehicle to the judges. With ominous skies overhead they were a little rushed for time fearing the opening of the heavens. <br />
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First up was a visual inspection followed by an operational check of the lights and horn. No problems there.<br />
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Next up was a look in the trunk to inspect the factory books and tools where a surprise was in store. <br />
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In the trunk we had a special treat for the judges. In addition to the requisite books and tools, we had a plethora of additional period documents including sales brochures, paint and leather samples, expanded parts books, service manuals, and period road tests. Many of these items were kindly given to us by the original salesman Scot MacDonald a few months before his passing making them incredibly genuine to the car. <br />
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By this stage the judges were all smiles and struggled to contain their excitement for the car. With every passing moment they uncovered more and more details.</div>
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Once it was all over Paul and I posed for a photo and anxiously awaited the results.<br />
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It was then that the heavens opened in a big way. The weather turned for the worse and we just managed to cover the car before rains of biblical proportions began to hammer down. So intense was the rain that we feared major flooding with some cars having water up to their doors. As it was we were well positioned near a drainage canal and the water never broke the level of the grass where the Dino was parked. Even so it was a bit of a scare that led to the cancellation of the awards presentation leaving us to wonder about our result for a few more days. <br />
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With the rain past we got the car off the soaked field and back on the truck. With almost no mileage on the car since completion we decided to forgo any more driving until we had the chance to properly execute a running in procedure on the car to catch anything that may cause problems. Regardless Paul looks pleased and now all we could do is wait. <br />
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So how did we do? Well the exact score of the concours will not be known for a few weeks as the judging sheets need to be mailed to us. That said we did score Platinum and were awarded an FCA Major Award for Best Dino. Below is an image of Paul accepting his prizes at the final awards banquet dinner. <br />
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Dad could not be there for the awards presentation but this photo was taken for him. The next day was Fathers Day and below are the two of us holding the awards that he helped us achieve. <br />
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But wait there is more. While we were very proud to take home the hardware the real prize carried no trophy but some words and actions we did not expect. During the show many of the worlds top Ferrari restorers including the guys at Motion Products (the only shop ever to score 100 at Pebble Beach with a Ferrari) took time out to inspect our work. All of them gave their praise and approval that our work was as best as the best no expense spared restorations they have done. In addition we were able to share some of our restoration processes and it was great to be able to interact with the pros in this way. <br />
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Furthermore we came to learn that our Dino was being strongly rallied by the judges to be given the award of Best of Show (BOS). This prize is the top of the top and takes into account quality of restoration, vehicle rarity, difficulty of restoration, and historical significance. Realistically BOS was never going to happen as this is the domain of the one-off multi-million dollar 12 cylinder cars but we came to learn that our little Dino took them on and came within the very last few cars considered for this honor. In the end BOS rightfully did not happen but we came much closer than any Dino had ever come and were proud to have been considered for the distinction. For a Dad and two brothers working in their spare time we truly felt we had come close to toppling the giants. <br />
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Stay tuned to the blog as we fill in the missing parts of the restoration and chronicle the final tuning to get our Dino ready for the road and race track. Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com0tag:blogger.com,1999:blog-8846314917642465023.post-12298966572539263722014-06-10T10:01:00.000-04:002014-06-10T10:01:01.299-04:00Skipping steps: The first drive! (sort of)Yesterday was a big day for the project. The blog has been a little quiet over the past few weeks as we have been pushing very hard to finish the car. We promise to come back and fill in the missing parts but for now a major milestone has been reached. After some 3 and a half years off the road 01464 made its first drive on the street. This came on the back of a massive final effort where Paul, Dad, and I put in over 100 man hours in the final weekend.<br />
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The drive though was short lived. We were committed to having the car on a transporter for 9 am and with the final spanner turned with only minutes left on the clock we made the short 1 km drive to the shipping company office. The destination? The Ferrari Club of America Annual Meet in Virginia where our Dino will make its debut at the Concours on Thursday. We welcome blog followers to come by and say hello as we would be happy to show you the car.<br />
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Now for some photos of the first drive:<br />
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<br />Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com3tag:blogger.com,1999:blog-8846314917642465023.post-36776345688716511382014-06-02T22:26:00.002-04:002014-06-02T22:26:49.181-04:00Smoking Contraband: Reproduction tax stamp for the cigarette lighter <div class="separator" style="clear: both; text-align: left;">
Everyone thinks that their nation taxes them the most but it is fair to say that the Italians get it pretty bad. Case in point is the cigarette lighter which was subject to its own tax back when it was new. To prove that the tax was paid, a little paper tag was affixed to the lighter. These tags were almost immediately removed leaving very few cars with them still today. </div>
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In an effort to present the car as it would have been delivered we affixed our own perfect reproduction. Over 40 years on we are not expecting to be hunted down by the Italian tax authorities and thought it a nice detail in the interior of the car. </div>
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<br />Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com5tag:blogger.com,1999:blog-8846314917642465023.post-14443128643563964412014-05-26T21:08:00.000-04:002014-05-26T21:08:01.037-04:00The invisible cure: Using UV activated glue for vent window catches One of the problems many Dino owners struggle with is properly bonding the metal catches on the front vent windows. Knowing this to be a problem we investigated a number of adhesives that would offer a reliable bond. Sticking metal to glass is never something that is easy and on the vent windows things are further complicated as the glue join is under quite a bit of tension from the spring effects of the molding rubber that surrounds the vent window. In the end the solution came from our neighbor Joe who offered us a high strength adhesive made by Loctite and cured using the invisible powers of UV light. He supplied us with the glue, curing lamp, and requisite yellow safety glasses (that make our Dino disappear) <br />
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Before trusting the glue on the car we ran a test using a scrap piece of glass and an extra mount we had. The cool thing about the adhesive is that it cures in about 90 seconds. <br />
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Once dry we administered the most un-sophisticated durability test we could muster. With the glass held in a vise we hammered and hammered until the bond or the glass broke. In the end neither failed as we just could not grip the thick piece of glass we had tight enough to keep it from moving however with the metal mount deforming and starting to bend we were pretty sure we had the glue for the job.<br />
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Now for the real thing. We carefully located the mount on the vent window using a black piece of decal material with a perfect hole cut in it. The decal served 2 purposes. One is that it really helped locate the pin well and second because no light goes through it, all of the overflow glue stays fully liquid making for a perfect masking. When the light is turned off all you need to do is pull the decal away and there is no mess or leakage to clean up. To be honest we tripped over the second benefit totally by accident but it was very welcome and a tip worth sharing. <br />
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Lastly here is the finished assembly. Ignoring that everything is covered in fingerprints and could use a proper cleaning, another job is removed off of the list :)<br />
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Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com4tag:blogger.com,1999:blog-8846314917642465023.post-6805534262020110862014-05-24T20:52:00.001-04:002014-05-24T20:53:35.483-04:00Path of least resistance: Wiring harness restoration Part 3<div class="separator" style="clear: both; text-align: left;">
In the last few posts we have been reviewing the wiring harness restoration. The harness is now finished and ready to go in. </div>
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The first step to getting the harness in is establishing its general path into the car and then preparing it for fitting. In the photo below Paul looks eager to get to work and to speed things along we put the bulk of the harness on a rolling cart. It of course goes without saying that we covered the paint very carefully to avoid any damage. <br />
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On the Dino the bulk of the harness enters on the drivers side just under the windshield wiper motor<br />
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Below you can see the wires once they passed through the front bulkhead and are now ready to feed through the car.</div>
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Some of the wires stay in the passenger cabin while others pass along just under the surface of the dashboard.</div>
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While most of the wires are concentrated in the front half of the car there are still some wires that need to go to the back to run the ignition, tail lights, and other electrical items. These wires exit the under dash area on the passenger side, run down the front wheel arch and along the main side chassis tube back to the rear of the car. In order to keep these wires clean and to help feed them quickly we wrapped them in plastic. This make quick work of fitting the harness. <br />
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In the end while we have lamented about some terrible jobs on this car, however with the task being done early in the build, the wiring installation went rather smoothly. Rough running of the wires tool about 30 minutes while final positioning and checking well lets say took rather more time. <br />
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<br />Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com3tag:blogger.com,1999:blog-8846314917642465023.post-41077552020576705432014-05-21T14:05:00.002-04:002014-05-21T14:05:26.198-04:00Wires wires everywhere: Wiring harness restoration Part 2In our last post we introduced our task of restoring the original wiring harness. As noted the first step was to map out the entire harness tracing each individual wire to its corresponding circuit. With this job done we could now turn our attention to the actual restoration of the harness which can be broken down in 4 separate steps:<br />
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1. Remove and restore all the wire terminal insulators<br />
2. Replace all plastic sheathing on wires and add new wire ends<br />
3. Attach harness to fuse panel<br />
4. Test the assembly<br />
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Now we shall cover the various steps:<br />
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<strong>1. Remove and restore all the wire terminal insulators</strong><br />
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One part that is not available anywhere are replacements for the original wire ends. Molded in soft clear plastic they carry the word ITALY on them and are a nice original detail. We were lucky to have ours in pretty nice shape and after a few hours of cleaning and scrubbing got them to the point where they were looking quite good.<br />
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<strong>2. Replace all plastic sheathing on wires and add new wire ends</strong><br />
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This one was the big one. The entire harness is covered with a black plastic sheathing to protect the wires from abrasion. Over time this material hardens and looses its flexibility. The big challenge comes in looking at the harness as a whole and figuring out the order to replace the sheathing as the whole assembly is like a big jigsaw puzzle with no instructions. Generally you work from larger diameter to smaller but the harness can get pretty complicated and I found the only solution was to break the harness down into smaller sections. Each section was then identified, photographed, and then drawn on a piece of paper with notes showing the location of breaks and electrical tape. <br />
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Because each section feeds into the next the photos and drawings become critical because ALL of the sheathing on the entire harness needs to be removed in order to be able to replace it. No matter how good your memory is, over the several days this job takes, the reference drawings are essential to getting things right. <br />
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With all of the wire re-covered it is now time to put new wire ends on. Originally the wire ends from Ferrari were tinned and have a silver colour (reproduction harnesses are generally gold in colour). We sourced the correct wire ends and bought the right crimping tool to perfectly match the original crimps. This matched to the restored plastic ends gave us wires that looked factory fresh.</div>
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<strong>3. Attach harness to fuse panel</strong></div>
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As previously reported our fuse panel had been replaced leaving us to make a new one from scratch. As such we had no data on which to figure out the connections to the panel. This easily ate up 10 times the work as it should have because simple connections turned into elaborate testing procedures before running power to the panel. In the end though we were really pleased that everything turned out well.</div>
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<strong>4. Test the assembly</strong></div>
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Despite all the time we spent trying to get things perfect you never know until you test the assembly. Invariably something goes wrong and when things got sticky for us our friend Myron S. came by the shop to help us along. Myron is a professional electrical engineer and his input was invaluable to getting our electrics working well. We owe him a debt of gratitude for taking time out of his Saturday to come and help us out.</div>
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In all the electrical harness took over 2.5 weeks of solid work to get right. It was much more involved than I ever imagined but the result is a 40 year old assembly that looks like it was made yesterday. Our next installment shows the harness going in. </div>
Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com5tag:blogger.com,1999:blog-8846314917642465023.post-12558708636351195322014-05-19T20:59:00.000-04:002014-05-19T20:59:56.795-04:00The long table: Wiring harness restoration Part 1In previous blog installments we discussed how our car had the incorrect fuse panel fitted to it at some time in its life. As such we needed to source, restore, and (when unavailable) manufacture the missing components needed to replicate a new one. Some of the posts on this subject are here:<br />
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<a href="http://dino246blog.blogspot.ca/2011/12/little-help-from-sweeden-fuse-panel-is.html" target="_blank">http://dino246blog.blogspot.ca/2011/12/little-help-from-sweeden-fuse-panel-is.html</a><br />
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<a href="http://dino246blog.blogspot.ca/2013/05/121-gigawatts-finishing-fuse-panel.html" target="_blank">http://dino246blog.blogspot.ca/2013/05/121-gigawatts-finishing-fuse-panel.html</a><br />
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<a href="http://dino246blog.blogspot.ca/2013/01/a-faint-rectangle-helps-dino-restorers.html" target="_blank">http://dino246blog.blogspot.ca/2013/01/a-faint-rectangle-helps-dino-restorers.html</a><br />
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<a href="http://dino246blog.blogspot.ca/2013/12/original-vs-replacement-difference-in.html" target="_blank">http://dino246blog.blogspot.ca/2013/12/original-vs-replacement-difference-in.html</a><br />
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With the fuse panel completed it was now on to the daunting task of restoring our wiring harness. In most instances the fastest and easiest route would be to buy a replacement harness however, in our case, certain nice original details of our harness allowed us to justify the massive extra work involved in restoring rather than replacing:<br />
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- Our original harness was still supple and the plastic on the wires had not dried out with time<br />
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- Despite 3 colour changes over the decades our harness had no paint overspray on it which is almost impossible to properly remove.<br />
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- The original harness has markings in Italian on them denoting the task of the individual wires. This in addition to wire colours that are not replicated with the reproduction harness' made keeping the original an easier decision.<br />
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- Reproduction wiring harnesses have different wire ends to original making them an immediate giveaway to the knowledgeable observer<br />
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With the decision to restore the process all started with getting the old and dirty wiring harness out of storage. <br />
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The next step was to lay everything out on a LONG table where the entire harness would be compared to period photos and the original wiring diagrams to ensure that everything is correct. Despite the few circuits involved this job took many days of concentrated effort to get right.<br />
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By this stage the harness has most of its cables identified. Once this is done each cable is tested for continuity and resistance to make sure that there are no unexpected problems. Inevitably a few bad wires are found and they are carefully removed whole and replaced. Where we got very lucky is that all of the bad wires were easy to replace colours rather than some of the more strange striped wires that the harness has for some of its circuits.<br />
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With the harness all mapped out the next step is full on restoration which we will cover in our next post. Stay tuned. <br />
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Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com23tag:blogger.com,1999:blog-8846314917642465023.post-47335151719614685612014-05-15T20:51:00.001-04:002014-05-15T20:51:52.019-04:00The Lone Stallion: Installing the factory ID plateWay back at the beginning of this blog we showed how the original chassis number was unearthed hidden under layers of paint. Here is the link for those who do not remember the post:<br />
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<a href="http://dino246blog.blogspot.ca/2010/10/unearthing-identity.html" target="_blank">http://dino246blog.blogspot.ca/2010/10/unearthing-identity.html</a><br />
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Back in the day the Dino was seen as a poor mans Ferrari so it was common for owners and even dealers to fit Ferrari badges and horses all over the body and interior. As Dino's have begun to be appreciated as their own sub-brand, restorers have shed the non-original badges leaving only the factory installed Dino markings. <br />
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That said there is one Ferrari horse that is totally correct to original and the only Ferrari emblem that appears on the whole car. This is located on a small aluminum plate that is pop riveted to the panel that separates the engine bay from the trunk. Ours was totally original and in excellent condition so it got little more than a quick wipe with a cloth before installing it on the freshly restored panel. <br />
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This job was left to Paul and Dad who appear to be relieved to have had such a simple job go smoothly. If only all the tasks could be this easy.<br />
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Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com1tag:blogger.com,1999:blog-8846314917642465023.post-74466485290840373992014-05-12T21:05:00.002-04:002014-05-12T21:05:59.272-04:00An incredibly tight fit: Greasing the radiator to help it inYes you read that correctly. The fit between the body opening and the radiator was so incredibly tight that we actually had to grease the side of the radiator to help it slide into position. As you can imagine this did not sit too well with Paul who spent hours block sanding the radiator to perfection as chronicled in one of our previous crazy tasks:<br />
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<a href="http://dino246blog.blogspot.ca/2012/08/crazy-task-5-block-sanding-radiator.html" target="_blank">http://dino246blog.blogspot.ca/2012/08/crazy-task-5-block-sanding-radiator.html</a><br />
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Luckily the paint on the body and radiator were just the correct number of coats and everything installed without the slightest scuff or mark. Regardless we were amazed that Ferrari would have such incredibly tight tolerances in the radiator fit and then have enormous bolts fixing it in place requiring a rather large 22mm wrench to tighten. It is fair to say you can lift the car from the radiator mounts. <br />
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Now the radiator is fitted and all the ancillaries around it are installed. This includes the rad fan motors, rad straps with correct LOBO bolts, correct Serflex hose clamps, and radiator hoses with period markings on them. We are quite pleased with the assembly as everything looks just 'right' in the nose. <br />
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Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com1tag:blogger.com,1999:blog-8846314917642465023.post-66060029485926317522014-05-11T19:03:00.001-04:002014-05-11T19:03:54.690-04:00A Mother's Day Story: One of those unforgettable days from my youthAs families around the world celebrate Mother's Day today, I would like to share a story from my youth. <br />
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Many years ago when I was about 12 years old (give or take) it was Mother's Day and my Mother asked me to go buy flowers for my Grandmother. At first, like many children, I resisted but with a stern glance I was quickly motivated to my bike where I set off for the market. I remember it to be a beautiful Spring day; sunny and just on the edge of warm. <br />
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As I arrived at the market, the parking lot was totally empty bar one car sitting alone in the middle. Like a beam from heaven it was a bright yellow Dino 206GT. At the time I was not hugely knowledgeable about the subtle differences in Dinos but I immediately identified the exposed fuel filler and wood rim steering wheel that made me sure that it was a 206. <br />
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Transfixed with rapture I just stood there visually taking in as much as I could knowing that this encounter would serve as inspirational fuel for decades to come. After a while of staring a grey haired gentleman appeared almost from nowhere, slipped effortlessly into the drivers seat, awoke the engine, and powered away. To this day I remember that moment like it was yesterday and it is one of my most vivid childhood memories. <br />
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With my ocular cup overflowing and the flowers purchased I raced home to tell the tale of my sighting. Needless to say that it was my brother Paul who took the greatest interest and to this day we still talk of that sunny day in May.<br />
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Dino 246http://www.blogger.com/profile/15984039399690373889noreply@blogger.com0