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Advanced Drivetrain, Suspension & Tuning

Deep dives into mechanical theory. Gear swaps, transmission rebuilding, solid axle swaps (SAS), and HP Tuners / ECU calibration.


6,735 topics in this forum

  1. Headlights and lit

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  2. making a 6" lift an 8"

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  3. raise up

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  4. Lower 1500HD 2 inches.

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  5. 02 GMC Dually Drop

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  6. what gears

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  7. Trailblazer lifts

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  8. 00 Sierra Lift

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  9. broken cab panel

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  10. Dirt Grip tires

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  11. New Lift

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  12. Blocks

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