Thread: 1970 GTO V3
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Old 01-24-2023, 04:48 PM
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andrewb70 andrewb70 is offline
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I love this country. Yesterday I made a call to a local company and this morning a guy named Matthew showed up with a big computer.



and a 3D scanner...



and a bag of cocaine...(just kidding...baby powder) The baby powder was used extensively to knock the shine off the finish.



Then he proceeded to start scanning the bottom and the top of the hood. The purpose was to crate an accurate model that can the be used to design various options for the hole in the hood.



This is at the start of the process and it took about 4 hours to do the whole hood. In a few days I should have a cleaned up 3D model of the hood.



While Matthew was doing the scanning, I decided to install the new automatic brake pedal. Before installing it, I took some measurements to check the pedal ratio with the existing holes. The top (manual brakes) hole gives about a 6.5:1 pedal ratio. The bottom hole (stock power brakes) gives about a 3.5:1 pedal ratio.

The various information that I could find about the iBooster said that the Tesla pedal ratio is 4:1. So we added an extra hole just above the stock lower hole, which resulted in about a 4.25:1 pedal ratio. This was about as close as we could come given the proximity to the lower hole.



This change resulted in a much more favorable angle for the pushrod.



Andrew
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