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Old 10-22-2009, 09:31 PM   #4
clinebarger
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Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
Re: Rearend I.D. help?????

12 bolt truck diffs are different than 12 bolt car diffs. car 12 bolt had a larger pinion gear shaft diameter, different carrier, different cover etc.....with your date code 77 blazer sounds feasible. pics?

Last edited by clinebarger; 10-22-2009 at 09:32 PM.
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