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Technical & Advanced


Vehicle Appearance, Care, & Maintenance

Help for the do-it-yourself vehicle owner. Suggestions on how to make your truck look better & last longer.

  • 3,966 topics
  • 30,328 replies
Wiper blades? - last post by W/T_Deluxe

Ask the GM Technician

Have a hard question?
Only Questions That You Would Go To The Dealer For, Please!

  • 12,748 topics
  • 51,781 replies
V6 vortec 4.3 has a hard ti... - last post by SouthernSilveradoGuy85

Performance Engine Tuning

A forum dedicated to intensive and experienced engine and computer modification topics

  • 1,190 topics
  • 10,483 replies
Efi live tuning 2014 Silverado - last post by EFI Performance

Transmission, Suspension, Transfer Case, & Axles

For all transmission and drive-line related topics. Included but not limited to 2WD, 4WD, AWD, transfer cases, & lift/lowering kits.

  • 4,664 topics
  • 34,178 replies
2003 Chevrolet suburban pop... - last post by 8.1HD/ALLISON

Wheels, Tires, & TPMS

Anything related to rims, tires, tire pressure monitor sensors, fixing a flat, and general tire maintenance here.

  • 2,731 topics
  • 20,590 replies
Need help deciding on Tires - last post by mi308570

Audio, Electronics, OnStar, & SiriusXM

SiriusXM, Bluetooth, Navigation Systems, OnStar, RemoteLink, smartphone connectivity, & aftermarket audio.

  • 5,247 topics
  • 27,456 replies
4.2" level one non touc... - last post by newdude


Installations, Maintenance, and Repairs.

  • 905 topics
  • 4,540 replies
Two projects.... - last post by kstruckcountry