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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.

6,734 topics in this forum

  1. 2002 8.1 swapped out

    By joel wise,
    • 6 replies
    • 2.4k views

  2. Wideband A/F for newbies

    By SuburbanDon,
    • 3 replies
    • 2.2k views

  3. Diagnose truck Computer

    By Josh_24,
    • 0 replies
    • 1.9k views

  4. Looking for a Hub part number. I have the bearing part number

    By s_explore,
    • 0 replies
    • 1.6k views

  5. Rancho Quicklift struts and Rough Country Front Leveling Kit

    By janciani,
    • 1 reply
    • 5.4k views

  6. 4l80e issue

    By B2usmc,
    • 0 replies
    • 1.5k views

  7. Pulled cv shaft out of front diff - no c clip

    By Airspeed-Alive,
    • 2 replies
    • 4.5k views

  8. No 3rd and 4th gear.

    By My life With Abilities,   
    • 1 reply
    • 4.4k views

  9. 6 speed Acadia trans 2-3 hot (only) transmission flare

    By dsgvw,
    • 2 replies
    • 11.4k views

  10. broken end of cable that pulls sliding rear window

    By sunset beach guy,
    • 1 reply
    • 1.5k views

  11. 97 Tahoe won't stay out of limp

    By Zachary Winstead,
    • 0 replies
    • 1.3k views

  12. 99 - 06 4/6 drop kit on 18’s I need help

    By Demarcus Body,
    • 7 replies
    • 9.3k views

  13. Range AFM Disable - Anyone tried it? 1 2

    By Tony1959,   
    • 23 replies
    • 77.7k views

  14. 07 Silverado 5.3 4×4. Shifting points change manually without a tuner.

    By terry beavers,
    • 0 replies
    • 1.3k views

  15. K2 1500 BDS Lift Tie Rod Ends

    By LongrangeLauber,
    • 1 reply
    • 6.2k views

  16. 4L80E holds 1st gear too long

    By topfuel67,
    • 2 replies
    • 5.1k views

  17. Levelling kit not level - help appreciated.

    By Devin McCormack,
    • 2 replies
    • 1.9k views

  18. help

    By charlie123,
    • 2 replies
    • 1.3k views

  19. 4l70e downgrade to 4l60e

    By Nick Swope,
    • 1 reply
    • 1.4k views

  20. 2008 Silverado no 4x4 and no indicator light 1 2

    By Erick Baccus,
    • 18 replies
    • 16.9k views

  21. O 2 sensor bank 1 sensor 1 location on 2003 sierra

    By ForrestMelissa,
    • 2 replies
    • 5.5k views

  22. 4l60e issue

    By Elvin Portillo,
    • 1 reply
    • 1.2k views

  23. Who's Our Resident Gear Pattern Expert?

    By LongrangeLauber,
    • 0 replies
    • 969 views

  24. 4wd parts

    By Will Hill,
    • 0 replies
    • 872 views

  25. 2019 and up dyno tune

    By Black02Silverado,
    • 0 replies
    • 2.3k views
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