6.6L Gas V8 (L8T)

256 topics in this forum

1. Strongly considering 3500 Reg Cab camper build

   By jrubicon, September 23, 2024
   • 3 replies
   • 1.3k views
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   • Cofage Gaetaph
   • October 10, 2024

2. 2024 10-Speed Transmission Service 1 2 3

   By ssgballistics, August 24, 2024
   • 30 replies
   • 15k views
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   • Another JR
   • September 19, 2024

3. 2020 L8T 2500 Transmission Temperature Reaches 230 while towing

   By allycat75, September 8, 2024
   • 4 replies
   • 2.3k views
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   • Another JR
   • September 9, 2024

4. 6.6 GAS with 37 inch tires

   By Tyler Marchak, August 26, 2024
   • 6 replies
   • 5.2k views
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   • Pryme
   • September 3, 2024

5. 2024 Tranmission Temps

   By Bstevens1084, July 16, 2024
   • 10 replies
   • 3.3k views
   • 
   • bruceb58
   • August 28, 2024

6. Trans cooler part ID?

   By lundimpact1775, August 27, 2024
   • 3 replies
   • 727 views
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   • lundimpact1775
   • August 27, 2024

7. Buying a 2024 SLE 6.6 next weekend school me

   By Icelink, August 4, 2024
   • 9 replies
   • 2.1k views
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   • Pryme
   • August 24, 2024

8. 2023 6.6 Gas Real World Towing Observations 1 2 3

   By SWDoodle, January 6, 2023
   • 41 replies
   • 40.6k views
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   • cbaker879
   • July 30, 2024

9. Changes from HD year one to current year

   By greatmizzou, June 23, 2024
   • 2 replies
   • 1.5k views
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   • Flatus
   • June 27, 2024

10. 6.6L L8T coolant temp

    By cbaker879, June 11, 2024
    • 9 replies
    • 4.8k views
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    • Kjduvall
    • June 26, 2024

11. First Oil Change - What is this?!?!

    By loam_seeker, June 9, 2024
    • 3 replies
    • 2.8k views
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    • lineman1234
    • June 16, 2024

12. 6.6 6spd towing..some real world data. 1 2

    By TeamSaris, November 30, 2023
    • 27 replies
    • 6.6k views
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    • cbaker879
    • June 11, 2024

13. 2024 Chev 2500 HD Torsion Bar

    By BCGM, May 28, 2024
    • 11 replies
    • 8.1k views
    • 
    • BCGM
    • June 11, 2024

14. 6.6L Gas Transmission Cooler Line Recall

    By spm1us, September 5, 2021
    • 3 replies
    • 14.7k views
    • 
    • Another JR
    • June 5, 2024

15. 6.6L programmer 1 2 3

    By Snorat, November 19, 2020
    • 38 replies
    • 65k views
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    • UWSkier
    • May 28, 2024

16. Safe to drive without front driveshaft, tcase stuck in 4Hi

    By WhiteOut1986, May 13, 2024
    • 1 reply
    • 902 views
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    • Another JR
    • May 16, 2024

17. 2024 Transfer Case Seal Leak 1 2

    By Tater86, November 15, 2023
    • 25 replies
    • 17.2k views
    • 
    • newdude
    • May 5, 2024

18. 6.6 gas and Truck Camper 1 2

    By RyanCawdor, July 9, 2021
    • 29 replies
    • 16.2k views
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    • MORSNO
    • April 12, 2024

19. 6.6L gasser MPG with new 10 speed Allison tranmission? 1 2 3 4 5

    By campah, September 25, 2023
    • 62 replies
    • 38.3k views
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    • BCGM
    • April 6, 2024

20. 6.6 - Catch Can - Final Answer 1 2 3 4

    By 6.6HD, February 18, 2021
    • 50 replies
    • 32.9k views
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    • mrjulian416
    • April 2, 2024

21. My truck is leaking oil

    By finn5033, February 8, 2022
    • 5 replies
    • 12.7k views
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    • Cheekster96
    • January 28, 2024

22. Transmission Tq Converter shop recommendations - Pacific NW

    By NWSierra, January 16, 2024
    • 5 replies
    • 1.5k views
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    • Epsilon Plus
    • January 22, 2024

23. Transmission slips when offroad

    By Cindy Wood, October 23, 2023
    • 13 replies
    • 2.8k views
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    • Pryme
    • January 10, 2024

24. 2022 Sierra 2500HD Oil Pressure Sensor Location

    By Fredschwartz5, October 1, 2022
    • 4 replies
    • 13.7k views
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    • mrjulian416
    • January 9, 2024

25. Squeak/squeal when shifting?

    By BuckWallace, July 28, 2023
    • 13 replies
    • 8.6k views
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    • Another JR
    • December 20, 2023