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

1,040 topics in this forum

1. 2019-2020 Dual Exhaust

   By Whiz, March 5, 2020   

   • dual exhaust
   • 2 replies
   • 1.5k views
   • 
   • Whiz
   • March 11, 2020

3. 3.23 vs. 3.42 Rear Axle Ratio 1 2

   By RockyTopSilverado, February 18, 2019
   • 16 replies
   • 99k views
   • 
   • stilllikechrome
   • March 11, 2020

4. Duramax

   By Brian Waldner, March 11, 2020
   • 1 reply
   • 605 views
   • 
   • redwngr
   • March 11, 2020

5. My wonderful introduction to the Chevy family 1 2 3

   By wacnstac, February 19, 2020
   • 36 replies
   • 2.8k views
   • 
   • wacnstac
   • March 10, 2020

6. Fuel tank capacity Fuel tank size

   By Stig, March 8, 2020   

   • Do you have a choice on tank size in crew cab 4x4 6.5 bed
   • 1 reply
   • 715 views
   • 
   • eppieguy
   • March 8, 2020

7. 2020 Exhaust

   By matt cavanaugh, March 6, 2020
   • 4 replies
   • 1.2k views
   • 
   • matt cavanaugh
   • March 7, 2020

8. Max Towing Package

   By Co Greg, February 9, 2020
   • 10 replies
   • 7.9k views
   • 
   • Bratbowtie
   • March 6, 2020

9. MPG curiosity. 1 2

   By Jonathan Floyd, February 7, 2020
   • 15 replies
   • 2.4k views
   • 
   • Don Caffery
   • March 5, 2020

10. + / - on gear shifter 1 2

    By Richard A, January 22, 2020
    • 15 replies
    • 8.1k views
    • 
    • Big Adam
    • March 4, 2020

11. TSB 2019 5.3 transmission oil swap to mobile 1

    By Luckyfd, March 1, 2020
    • 4 replies
    • 7.8k views
    • 
    • BlaineBug
    • March 1, 2020

12. Magnaflow Muffler On the 6.2 1 2 3

    By truck_newbie, August 18, 2019   

    • magnaflow
    • muffler replacement
    • (and 1 more)

      Tagged with:

      • magnaflow
      • muffler replacement
      • 6.2l
    • 32 replies
    • 28.6k views
    • 
    • truck_newbie
    • February 29, 2020

13. Re-gearing to 4.10's 1 2

    By 19AT4, January 16, 2020
    • 20 replies
    • 16.2k views
    • 
    • HondaHawkGT
    • February 29, 2020

14. MPG 6.2l 1 2 3 4 5

    By gothp28, February 24, 2019
    • 60 replies
    • 21.1k views
    • 
    • ThatredneckguyJamie
    • February 28, 2020

15. Gibson Dual Exhaust 2020 Silverado 6.2L 1 2

    By bearded_warrior, February 18, 2020
    • 17 replies
    • 4.8k views
    • 
    • truck_newbie
    • February 28, 2020

16. disk brakes history question

    By Selo, February 26, 2020
    • 3 replies
    • 586 views
    • 
    • brianf60
    • February 27, 2020

17. 3.42 Gear Ratio Tire Swap

    By dcarbs, February 21, 2020
    • 5 replies
    • 899 views
    • 
    • Big Adam
    • February 27, 2020

18. Adding automatic locking rear differential

    By Kableguy, February 27, 2020
    • 2 replies
    • 3.2k views
    • 
    • Kableguy
    • February 27, 2020

19. how to spot performance exhaust 1 2

    By 2000, February 17, 2020
    • 20 replies
    • 1.9k views
    • 
    • f8l vnm
    • February 25, 2020

20. Chevy Shake 1 2 3 4 5

    By Sierradude, September 1, 2018
    • 65 replies
    • 24.4k views
    • 
    • Rick Franklin
    • February 24, 2020

21. AT4 Locking Rear Differential 1 2

    By killramos, July 28, 2019
    • 25 replies
    • 41k views
    • 
    • Musgo
    • February 22, 2020

22. 2020 GMC AT4 MPG Disapointed 1 2 3

    By Elpresidente, November 4, 2019
    • 30 replies
    • 13.7k views
    • 
    • JD19
    • February 22, 2020

23. Flowmaster American thunder series installed 1 2

    By 19AT4, January 7, 2020
    • 17 replies
    • 6.5k views
    • 
    • cbacarisse
    • February 21, 2020

24. Standard tires on x31

    By x31, February 20, 2020
    • 6 replies
    • 10.6k views
    • 
    • x31
    • February 21, 2020

25. AFM and DFM Flappers

    By DuRsT, February 10, 2020
    • 9 replies
    • 5.4k views
    • 
    • MAK2013
    • February 20, 2020

26. Muffler swap

    By BillCT, February 18, 2020
    • 4 replies
    • 6.3k views
    • 
    • greco2003
    • February 18, 2020