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Picking up a 02 dumdumdumdumdum, Rear gear ?

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Old 02-28-2009, 07:03 PM
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Default Picking up a 02 dumdumdumdumdum, Rear gear ?

What is the RPO code for the different rear end gears in a 2002 auto formula?

I am hoping it has 3.23's but it will probably have 2.73s with my luck.
Old 02-28-2009, 07:31 PM
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Gu5 for 3.23's.
Stickies man.
Old 02-28-2009, 07:35 PM
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GM8 2.56 Rear Axle
GU1 2.41 Rear Axle
GU2 2.73 Rear Axle
GU4 3.08 Rear Axle
GU5 3.23 Rear Axle
GU6 3.42 Rear Axle
Old 02-28-2009, 11:34 PM
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i've been lucky. Every car/truck i've owned from GM that was RWD has had 3.42's in it at least. My Z28 had them but were swapped for 3.73's
Old 02-28-2009, 11:42 PM
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I had a 95 z28 auto with 3.73s. It was fun but not the best for DD. The highway gas mileage and drone sucked. Max I will run this time around will be 3.23's.




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