sm465 gear ratios

[1987chevyv10]

Originally Posted by Turbo85GMC

I think the original poster means "V10" to be a R/V series truck.
I think they changed the model numbers in '86 or '87 from C/K to R/V.

Anyway, welcome to the SM465 club! I have yet to find an on-road use for first gear! If 1st and 2nd were synchro, I would swap out the rear end to a 2-something ratio and drive it like a 4 speed instead of a 3 speed.

thanks! what's the rear end from the factory? right now it has 35 inch tires on it and it seems to need a little lower rear end
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