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Re: 1971 GMC with manual 4 spd-what is the stock ratio???
Quote:
Originally Posted by 57rookie
It is a 1/2 ton 1971 GMC. I was hoping for the 3.07!! I dont want to pull the cover off as it is very original and no leaks...
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Looking at the posted chart and if there is no optional ratio on the spid then you should have 3:07..
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