sorry to bring this back up but ive gotten myself confused. im trying to use the excel spread sheet calculator. is the speedo cable revs the ratio i need to find? by that i need am 11x23 to get as close as possible to the right number and then i can just get a smaller tyre for the rest.
does anyone know a part number or how to find the part number of the 11x23 gears set?
also thats assuing my dash is 1024 rotations per mile. my car is a 68 corona. 4.1 diff and w50.
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