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Old 01-24-2007, 07:39 PM   #2 (permalink)
Redog
Alero Chapter Secretary
 
Join Date: Aug 2006
Location: Newtown, PA
Posts: 694
Look at your RPO codes, should be a sticker in the trunk lid

G80 is the posi code, and the rear end gear codes will start with GU. I had GU2 in the Delta which is 2.73. I went to 3.42 which I think is GU4 or GU6
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2000 Alero running 14's
1985 Delta 88 w/1968 350 rocket
2005 Nissan Altima (her's)
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