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Thread: Rear-end gears
04-18-2008, 08:19 AM #1
Just a thought...
Does anyone know what gears are in my 99 'burb?
C1500, Stock 350 CID, SLT
Is it 3.42's?
Is it posi-traction (I don't think so)
Would it be better to get posi and if so, 3.42 or 3.73?
04-18-2008, 09:40 AM #2
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If you look at the RPO codes in the glovebox, one of them is for the rear end gear ratio.
I'm not 100% this list is good enough for truck RPOS, but here's a list. It looks like the RPO code you're looking for starts with a G
1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 199K miles
2005 Saturn ION-2 Stock 255K miles
1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half
There are 10 kinds of people, those who understand binary, and those who dont...
Remember kids, the only difference between screwing around and science is writing it down- Adam Savage
04-21-2008, 10:19 PM #3
If you pdf is correct, then I have 3.42 positraction limited slip rear.
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