Re: Help with IDing rear diff
gear ratio is stamper on ring gear .
41-10 or 41-9 are a few examples . big # divided by little # = ratio .
and also look in to detroit true trac . helical cut all gear posi and requires no additive in fluid .
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77-k30lb BIG truck build .
87-k30lb budget beater build .
85-k30lb the plow machine build .
85-c10sb summer fun toy .
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HOLLEY SNIPER efi = worst case of p.i.t.a i ever had .
EDELBROCK pro flo 4 = best deal going so far . love my setup works great.
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