6.6L Gas V8 (L8T)

256 topics in this forum

1. AT4 Questions

   By NCCaptainMorgan, March 9, 2021
   • 7 replies
   • 2.4k views
   • 
   • GMC4Zee
   • March 15, 2021

2. cold start noise on 6.6 gasser 1 2

   By dgcat, January 18, 2020
   • 21 replies
   • 21.7k views
   • 
   • kdub
   • March 3, 2021

3. 3rd brake light camera

   By JakeN, February 18, 2021
   • 0 replies
   • 574 views
   • 
   • JakeN
   • February 18, 2021

4. Custom 2500 gas mileage questions 1 2

   By Flash23, January 17, 2021
   • 17 replies
   • 8.2k views
   • 
   • mrjulian416
   • February 18, 2021

5. Check engine light 6.6l gas

   By 17Jmartin, January 31, 2021
   • 3 replies
   • 4.8k views
   • 
   • MaverickZ71
   • February 11, 2021

6. Oil catch can?

   By crash heap, December 24, 2020
   • 4 replies
   • 2.1k views
   • 
   • txab
   • January 23, 2021

7. 2020 and 2021 2500s

   By Flash23, January 13, 2021
   • 6 replies
   • 2.8k views
   • 
   • MTU Alum
   • January 18, 2021

8. Gas 2500 Resale Value 1 2

   By GMdude2020, June 29, 2020
   • 16 replies
   • 13.7k views
   • 
   • Mdb
   • December 11, 2020

9. Dual battery function 1 2

   By Bob 3500HD, November 21, 2020
   • 21 replies
   • 16.5k views
   • 
   • Bob 3500HD
   • November 26, 2020

10. Buying a new truck, like to see colours?

    By Richard B., July 15, 2020
    • 4 replies
    • 3.4k views
    • 
    • iyoung7089
    • October 29, 2020

11. Perspective on 6.6 Gasser 1 2

    By TrailBoss1, August 23, 2020
    • 20 replies
    • 36.2k views
    • 
    • Hagar68
    • October 28, 2020

12. Engine failure 1 2

    By Tuckertruck, March 19, 2020
    • 23 replies
    • 17.5k views
    • 
    • Troy Schultz
    • October 15, 2020

13. Cold/rough start

    By greatmizzou, October 6, 2020
    • 1 reply
    • 1.5k views
    • 
    • redwngr
    • October 9, 2020

14. New truck questions

    By Slabhunter, June 9, 2020
    • 12 replies
    • 24k views
    • 
    • spm1us
    • October 1, 2020

15. trailer tpms sensors 1 2

    By jeffkirk66, February 17, 2020
    • 29 replies
    • 3.9k views
    • 
    • Duramaxsky
    • September 27, 2020

16. 1st oil change at home

    By SkidooSteve12, September 4, 2020   

    • 2500HD
    • 6.6L Gas
    • (and 1 more)

      Tagged with:

      • 2500HD
      • 6.6L Gas
      • PF63E oil filter
    • 11 replies
    • 44.5k views
    • 
    • SkidooSteve12
    • September 18, 2020

17. Plowing with a 1.8 yard spreader?

    By Able, September 16, 2020
    • 6 replies
    • 2.1k views
    • 
    • Logan Lanfear
    • September 17, 2020

18. Enjoying the new gasser?

    By Z71RAD88, August 18, 2020
    • 12 replies
    • 4.4k views
    • 
    • Z71RAD88
    • August 26, 2020

19. I finally caved and bought a truck.

    By Pastusak.t, August 9, 2020
    • 7 replies
    • 3k views
    • 
    • Pastusak.t
    • August 12, 2020

20. Towing ability

    By Drumnatural, August 9, 2020
    • 2 replies
    • 2.1k views
    • 
    • ShotgunZ71
    • August 9, 2020

21. Any word on transmission or rear gearing?

    By nick112288, June 19, 2020
    • 2 replies
    • 2.7k views
    • 
    • 2017HD
    • August 9, 2020

22. New GM/Chevy Owner 6.6 Gas

    By GMdude2020, June 24, 2020
    • 9 replies
    • 11.6k views
    • 
    • Dunn
    • July 26, 2020

23. Allison transmission failure

    By CarlJ, July 11, 2020
    • 3 replies
    • 2.7k views
    • 
    • CRApex
    • July 13, 2020

24. Gasser 6.6 dual exhaust kit - post it when you find it! 1 2

    By ROOK Lucky 13, February 13, 2020
    • 15 replies
    • 8.5k views
    • 
    • MORSNO
    • July 8, 2020

25. FUEL GAUGE INACCURATE

    By rickg gmparts, June 4, 2020
    • 9 replies
    • 3.6k views
    • 
    • georgecdisc
    • June 14, 2020