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Gear upgrade

What do I need to upgrade to 4.56

Gear upgrade

Postby SilveradoBoss [OP] » Dec 01 2019, 1:38am

Hi I have a 2008 silverado z71 4x4 1500 and am woundering what all do I need to upgrade to 4.56 gears
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Posts: 1
Topics: 1
Joined: Dec 01 2019, 1:34am
Year: 2008
Make/Model: Chevrolet Silverado
Variant: All Terrain
Extra Info: 2008 z71 4x4 1500
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Transmission/DrivetrainTransmission and drivetrain related components. Discuss automatic and manual trans repairs and performance or talk about driveshafts or rear-ends and differentials. Diagnostics of 4-speed, 5-speed, or even 6-speed transmissions.
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