Jump to content
  • Sign up for FREE! Become a GM-Trucks.com Member Today!

    In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. 

6.6L Gas V8 & HD Transmission Powertrain (L8T/MYD)

Technical powertrain discussion specifically for the 2020+ L8T 6.6L Gas V8 engine and MYD 6-Speed HD transmission combination on the 2020 Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500

63 topics in this forum

  1. 6.6 Chirp

    • 0 replies
    • 98 views
    • 33 replies
    • 5,907 views
    • 9 replies
    • 609 views
    • 8 replies
    • 536 views
    • 81 replies
    • 7,665 views
    • 14 replies
    • 824 views
    • 0 replies
    • 132 views
    • 8 replies
    • 977 views
  2. First Oil Change 1 2 3 4

    • 58 replies
    • 18,288 views
    • 3 replies
    • 1,278 views
  3. What to do? 1 2 3

    • 42 replies
    • 2,965 views
    • 31 replies
    • 4,002 views
    • 10 replies
    • 1,323 views
  4. Water-Meth

    • 4 replies
    • 376 views
    • 10 replies
    • 878 views
    • 2 replies
    • 472 views
  5. 6.6L programmer 1 2

    • 15 replies
    • 4,147 views
    • 0 replies
    • 198 views
    • 5 replies
    • 605 views
    • 1 reply
    • 218 views
    • 7 replies
    • 548 views
    • 2 replies
    • 551 views
    • 21 replies
    • 6,184 views
    • 10 replies
    • 1,173 views
    • 17 replies
    • 2,979 views


  • Clubs

  • Popular Contributors

×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.