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08-31-2010, 12:33 PM
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Registered User
Join Date: Nov 2008
Location: Chula Vista California
Posts: 526
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Rear end codes
I went to the junkyard yesterday and found 3 rear ends 2 91's GMC and one CHEVY 92' one of the things I don't want to do is open the cover to know what's the ratio.
I took the labels from glove box And I went into google General Motors Corporation Drive Axle Gear Ratios and found the The GMCs Codes are GU6 which is a 3.42 Days ago I had the idea swapping a 73-87 3.73 but now I have the option of a GMC 91 3.42 How good could be with the 700r4 I need to start this weekend thanks |
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