Thread: AL parting ext cab 88 chevy 1/2 ton 2wd
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Old 05-28-2013, 09:49 PM   #9
PT'S 70 CST
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Re: parting ext cab 88 chevy 1/2 ton 2wd
Do you know what gear the rear end is and if it is a posi.

Gear ratio codes
GU2 = 2.73
GU4 = 3.08
GU5 = 3.23
GU6 = 3.42
GT4 = 3.73
GT5 = 4.10

Posi code

G80
These will be located in the glove box.

Thanks PT
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