Originally Posted by Fibonachu
Out of curiousity, what size tires do you have on that 65? That is a critical piece of the gearing math.
I have 235/75R15 (28.88” diameter on the 1963) and 255/70R15 (29.06” diameter on the rear of the 1965). Both drive about the same.
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1965 Chevy C10 Shortbed 1/2-Ton Stepside
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