2019-2025 Silverado & Sierra Engine & Transmission (L3B/L82/L84/L87/LM2/LZ0)

1,040 topics in this forum

1. Horrible gas milage 1 2

   By Asd A, December 4, 2019
   • 24 replies
   • 2.8k views
   • 
   • Snakes709
   • December 21, 2019

3. 2020 Denali w/Max Trailering Package (NHT)

   By TXS Heat, August 16, 2019
   • 7 replies
   • 3.5k views
   • 
   • blazerk5drew
   • December 16, 2019

4. Muffler inlet and outlet size

   By John.1142, December 13, 2019
   • 5 replies
   • 9.7k views
   • 
   • SquireSCA
   • December 16, 2019

5. GM Performance Air Intake 1 2

   By JAshworth03, December 9, 2019
   • 22 replies
   • 3.6k views
   • 
   • SquireSCA
   • December 15, 2019

6. Call me crazy....

   By Method2Madness, December 13, 2019
   • 6 replies
   • 898 views
   • 
   • redwngr
   • December 14, 2019

7. GM Performance Exhaust Install Options

   By JAshworth03, November 28, 2019
   • 9 replies
   • 8.1k views
   • 
   • Texasdeere
   • December 14, 2019

8. 3.0 Fuel Tank Size?

   By bullet225ho, October 24, 2019
   • 5 replies
   • 5.2k views
   • 
   • TweetybyrdRT
   • December 14, 2019

9. AFE Exhaust Review 6.2L

   By clowe1243, October 25, 2019
   • 5 replies
   • 4.5k views
   • 
   • RaisedByWolves
   • December 10, 2019

10. Serpentine Belt on 1500

    By rosepaule, December 9, 2019
    • 0 replies
    • 5.2k views
    • 
    • rosepaule
    • December 9, 2019

11. 2020 trail boss Engine/ gear ratio

    By Bryanhutchinson, December 4, 2019
    • 2 replies
    • 14.1k views
    • 
    • OnTheReel
    • December 4, 2019

12. Carven TR installed

    By 19AT4, October 2, 2019
    • 4 replies
    • 2.3k views
    • 
    • Zach-91
    • December 4, 2019

13. 2019 High Country Suspension Settings

    By Fast325it, December 3, 2019
    • 1 reply
    • 2.1k views
    • 
    • JAshworth03
    • December 3, 2019

14. credits

    By wizard4878, November 29, 2019
    • 4 replies
    • 573 views
    • 
    • CamGTP
    • November 30, 2019

15. Black Friday - Shopping For Exhaust

    By SamDSJR, November 26, 2019
    • 2 replies
    • 641 views
    • 
    • SamDSJR
    • November 29, 2019

16. Are the New Silverados better Quality?

    By wmgeorge64, November 4, 2019
    • 4 replies
    • 1.7k views
    • 
    • MacLaren
    • November 29, 2019

17. Decel vibration

    By Randy Taylor, November 9, 2019   

    • Decel
    • 5 replies
    • 3.9k views
    • 
    • hotrodz37
    • November 27, 2019

18. Muffler Question

    By The Tos, November 5, 2019
    • 3 replies
    • 836 views
    • 
    • Jricharc
    • November 27, 2019

19. 2020 Silverado 2.7 transmission temperature

    By Rob Wagner, November 21, 2019
    • 6 replies
    • 14.7k views
    • 
    • cyclegeo
    • November 26, 2019

20. Borla Type-S installed - AT4 6.2 - Video/sound included

    By PabloK, July 25, 2019   

    • bora
    • type-s
    • (and 4 more)

      Tagged with:

      • bora
      • type-s
      • 6.2
      • at4
      • exhaust
      • video
    • 7 replies
    • 5.7k views
    • 
    • SierraStorm21
    • November 24, 2019

21. Is the factory CAI louder than the standard airbox?

    By RaisedByWolves, November 7, 2019
    • 6 replies
    • 903 views
    • 
    • SierraStorm21
    • November 24, 2019

22. 2020 5.3 4x4 with 10 spd MPG

    By Z71RAD88, August 20, 2019
    • 7 replies
    • 1.7k views
    • 
    • redwngr
    • November 22, 2019

23. 2019 Sierra SLT How to Turn Off Grade Braking in Normal Mode

    By dcast, November 7, 2019
    • 3 replies
    • 748 views
    • 
    • mistaare
    • November 12, 2019

24. Rattle in 5.3 engine at cold start up

    By bulldog77, November 9, 2019
    • 2 replies
    • 8.6k views
    • 
    • RaisedByWolves
    • November 10, 2019

25. Engine/Trans noise low RPM?

    By Sizemore, January 21, 2019
    • 5 replies
    • 4.2k views
    • 
    • JimCost2014
    • November 10, 2019

26. Wheel nut torque setting

    By 2019silverado, November 9, 2019
    • 7 replies
    • 73.3k views
    • 
    • Duelin
    • November 9, 2019