Engine and Transmission

6,559 topics in this forum

1. cgc

   By cgc, July 7, 2025
   • 1 reply
   • 520 views
   • 
   • fjh
   • July 7, 2025

2. Engine knocking 1 2 3

   By Nathanwhit1, July 1, 2025
   • 57 replies
   • 4.1k views
   • 
   • Nathanwhit1
   • July 6, 2025

3. Trans goes into high range while in 4th gear.

   By ajones115236, June 30, 2025
   • 21 replies
   • 1.4k views
   • 
   • Joey Mack
   • July 4, 2025

4. Engine brake

   By Mario, June 12, 2025
   • 5 replies
   • 847 views
   • 
   • The Heinz
   • June 30, 2025

5. 2003 Mack E7 Low power

   By BarryMckociner, June 24, 2025
   • 7 replies
   • 981 views
   • 
   • JoeH
   • June 30, 2025

6. Mack E6 300/350 crankshaft.

   By Manwithaplan, June 28, 2025
   • 5 replies
   • 675 views
   • 
   • Joey Mack
   • June 29, 2025

7. Jakes

   By vomac, June 28, 2025
   • 1 reply
   • 653 views
   • 
   • Joey Mack
   • June 28, 2025

8. Mack 5 speed speedometer and tach

   By Jizzo17, May 31, 2025
   • 18 replies
   • 1.8k views
   • 
   • Jizzo17
   • June 28, 2025

9. Electronic transmission on mechanical engines?

   By JoeH, June 28, 2025
   • 0 replies
   • 362 views
   • 
   • JoeH
   • June 28, 2025

10. E-7 oil pan flip

    By dogg rescue, June 27, 2025
    • 2 replies
    • 462 views
    • 
    • Joey Mack
    • June 27, 2025

11. MP7 Flywheel Problems

    By bgblk1968, June 5, 2025
    • 7 replies
    • 904 views
    • 
    • bgblk1968
    • June 23, 2025

12. E7-400 questions

    By HighwayCowboysLLC, June 20, 2025
    • 2 replies
    • 465 views
    • 
    • HighwayCowboysLLC
    • June 20, 2025

13. EGT Sensor

    By nbone28, June 18, 2025
    • 0 replies
    • 414 views
    • 
    • nbone28
    • June 18, 2025

14. Ai 427 burning oil

    By Orange cv713, June 15, 2025
    • 12 replies
    • 1.1k views
    • 
    • Brocky
    • June 16, 2025

15. E6 block and crank

    By hicrop10, June 16, 2025
    • 0 replies
    • 442 views
    • 
    • hicrop10
    • June 16, 2025

16. AI 427 manifold and turbo swap

    By Orange cv713, May 17, 2025
    • 9 replies
    • 1.2k views
    • 
    • The Heinz
    • June 16, 2025

17. 2006 Mack vision low boost

    By Jeffrey 34, June 14, 2025
    • 5 replies
    • 515 views
    • 
    • dieselworking
    • June 14, 2025

18. Early Cummins Fuel Injection Systems

    By heavyhauler, November 8, 2011   

    • Cummins Injection Pumps
    • 9 replies
    • 6.8k views
    • 
    • mrsmackpaul
    • June 12, 2025

19. Ai 427 misfire

    By Orange cv713, June 8, 2025
    • 1 reply
    • 499 views
    • 
    • fjh
    • June 8, 2025

20. Eup

    By Giddy, June 7, 2025
    • 2 replies
    • 619 views
    • 
    • Adkat
    • June 7, 2025

21. Mack eup leaking

    By Chris_poyner, December 30, 2013
    • 3 replies
    • 7.1k views
    • 
    • Giddy
    • June 7, 2025

22. 2012 MP7 regen will never end

    By 96bulldogpower, December 18, 2024
    • 6 replies
    • 1.3k views
    • 
    • steeler
    • June 6, 2025

23. Mack Renault 5.5 to 8.8

    By Ajoyce76, June 4, 2025
    • 1 reply
    • 496 views
    • 
    • mrsmackpaul
    • June 5, 2025

24. E7-250 hp Q

    By Straydog954, June 5, 2025
    • 0 replies
    • 384 views
    • 
    • Straydog954
    • June 5, 2025

25. Mack Etec crank no start

    By PW Diesel, June 4, 2025
    • 0 replies
    • 512 views
    • 
    • PW Diesel
    • June 4, 2025