ratios
when you pull the covers the ring gear will be stamped with numbers.. for example....41:12.. just divide 41 by 12 = 3.42 . just divide the bigger number by the smaller number and this will give exact ratio. hope that helps, kevin
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70 GMC SHORT STEP , 71 BLAZER ,72 JIMMY,72 BLAZER, JUST NEED THAT SUBURBAN NOW......WANTING MORE
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