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| blog:escort_restore_3 [2021/03/06 15:54] – [Engine Electronics] john | blog:escort_restore_3 [2023/11/07 11:09] (current) – [Brakes] john | ||
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| ====== 1974 Ford Escort mk1 - Third Rebuild ====== | ====== 1974 Ford Escort mk1 - Third Rebuild ====== | ||
| - | ===== Paint ===== | + | I had used the Escort on and off on several track days, as well as a little bit running about, but over the years I used ti less and elss, and it was spending more and more time in the garage. |
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| + | I knew that I was never going to get around to using it as a track day car again, so around 2009 I decided to convert it back to road use. | ||
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| + | It was an easy decision to make over what to do with it - on the road a engine on carbs just isn't going to cut it in modern traffic, plus having driven many turbocharged cars as daily drivers I knew that there was only going to be one option for me: the Cosworth YB. | ||
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| + | It turned out to take almost the same amount of time to do this project as I had already owned the car for.... | ||
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| + | ===== Notes for me ===== | ||
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| + | " | ||
| + | The key grip (fastener diameter, i.e. spanner size) on AN fittings is also measured in inches and since European sizes are metric (millimeters), | ||
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| + | AN3 = 1/2" = ~12,7mm | ||
| + | AN4 = 9/16" = ~14,3mm | ||
| + | AN6 = 11/16" = ~17,48mm | ||
| + | AN8 = 7/8" = ~22,23mm | ||
| + | AN10 = 1" = ~25,4mm | ||
| + | AN12 = 1-1/4" = ~31,75mm | ||
| + | AN16 = 1-1/2" = ~38,1mm | ||
| + | AN20 = 1-13/ | ||
| ===== Engine ===== | ===== Engine ===== | ||
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| - | ==== Engine Electronics | + | ==== ECU ==== |
| Disassembly of ECU and removal of old ROM: | Disassembly of ECU and removal of old ROM: | ||
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| Cleaning and painting case: | Cleaning and painting case: | ||
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| Fitting Motorsport Developments EVO 320 ROM: | Fitting Motorsport Developments EVO 320 ROM: | ||
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| Fitting Motorsport Developments wasted spark control board: | Fitting Motorsport Developments wasted spark control board: | ||
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| Reassembly: | Reassembly: | ||
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| + | ==== Ignition System ==== | ||
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| + | How to make a set of plug leads for a wasted-spark Cosworth. | ||
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| + | First, buy a set of non-wasted spark plug leads. These are cheap, even in good quality thickness like these: | ||
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| + | Next cut the original distributor end off the cable - we won't be using it. Make sure you have bought enough of the correct, clip-on ends for your type of coil pack: | ||
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| + | Slide the plastic clip-on connector on to the HT lead - **if you forget to do this now, then you will have to completely re-do the cable afterwards!**: | ||
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| + | Apply some spray grease to the elbow and push the HT lead through: | ||
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| + | Make sure you cut back enough of the outer cable so that the inner core can be bent back against the outer; the brass connector then crimps on: | ||
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| + | Pull the rubber elbow back over the brass connector and slot it into the outer plastic clip-on part you push on to the HT lead earlier. | ||
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| + | We mounted the coil pack and the twin ignition amplifiers on a thick gauge aluminium plate that was mounted in place of the heater bubble that we removed from the car years earlier | ||
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| + | ==== Fuel System ==== | ||
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| + | The original side mounted fuel tank was removed and a new purpose built alloy tank from [[https:// | ||
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| + | Fuel pump is a Bosch 044 part, with both an pre and post-pump filter: | ||
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| + | Fuel pipes exit the boot via a pair of bulkhead connectors, so no pipework running through a hole. The outlet and return lines are fastened to the shell of the car are regular spacings to keep everything tidy: | ||
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| ===== Cooling ===== | ===== Cooling ===== | ||
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| + | ===== Steering ===== | ||
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| + | Vauxhall Corsa ' | ||
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| ===== Suspension ===== | ===== Suspension ===== | ||