jack one wheel up and then rotate it. count the number of turns as compared
to the drive shaft turns and you have the ratio.
say three and a half turns = 3.50 ratio.
You wrote on Wed, 18 Jun 2008 02:36:23 GMT:
C> I have a 1996 gmc sierra, 5.8l vortec, auto transmission with a stock
C> rear limited slip rear end. The rearend blew up so now I have to
C> replace it but need to know what the ratio was. How can I find out?
C> There is a sticker in the glove box with a bunch of codes but I have no
C> idea how to first tell which ones referr to the rear diff and second
C> where to look to decifer what they mean. Any help?
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