Re: Old Girl (aka Project Underhaulin)
What trans & gear ratio does the truck have? That’ll help calculate the highway speed rpm’s.
Edit: just need to know the rearend gear ratio... I went back & now know it’s a 700r4 so 0.70 for the tranny.
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Carter
1968 Chevy SWB Fleet... Walt
1963-1/2 Ford Falcon Futura... Martha
Last edited by nlped; 03-11-2018 at 10:28 AM.
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