look on your RPO sticker in your glove box, it's the "G" code. then do a search for GM RPO codes. GT4 is 3.73 and GU6 is 3.42
HTH, Bret
Does anyone have any idea what gears Chevy put in the rear end of a 1997 > Z-71?
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Re: What Gears Do I have?
Aug 01, 2003
0 Replies
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