Gear ratio on 2006 Chevy
February 1st, 2018, 6:25 PM
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Think you can tell by looking at the build placard inside the glovebox .
Check your RPO codes in the glovebox:
GU6- 3.42
GT4- 3.73
GT5-4.10
G80- locking rear diff
Check your RPO codes in the glovebox:
GU6- 3.42
GT4- 3.73
GT5-4.10
G80- locking rear diff
Last edited by vipergg22; February 1st, 2018 at 6:28 PM.