GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

Gear Ratio

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Old Jul 1, 2007 | 01:24 PM
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ONLYA4.8L's Avatar
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Default Gear Ratio

How you find out what gear ratio you have in the rear? by counting teeth on the ring and pinion? Whats what when you count em?
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Old Jul 1, 2007 | 01:42 PM
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Look in the glove box, there should be a buch of codes. If you have G80, that is the gov-lock diff
If you have
GU5 you have 3.23
GU6 you have 3.42
GT4 you have 3.73
GT5 you have 4.10
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Old Jul 1, 2007 | 03:00 PM
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I have a set of gears in the back of my house.. Want to know what they are.. 11 on the pinion and 42 on the ring..
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