Engine and Transmission

6,593 topics in this forum

1. E7 Etech High Rpm Miss

   By olegreen, April 17
   • 23 replies
   • 522 views
   • 
   • Joey Mack
   • Sunday at 06:46 PM

2. 300+ rebuild 1 2 3 4 41

   By Freightrain, July 9, 2025
   • 1k replies
   • 60.1k views
   • 
   • Freightrain
   • Sunday at 01:56 PM

3. Turbo exhaust clamp

   By Freightrain, April 14
   • 18 replies
   • 524 views
   • 
   • Freightrain
   • Thursday at 01:49 PM

4. 2015 mack dump truck mp8

   By cfd511, April 25
   • 5 replies
   • 217 views
   • 
   • fjh
   • April 25

5. 2015 mack dump truck

   By cfd511, April 7
   • 6 replies
   • 356 views
   • 
   • fjh
   • April 25

6. 2000 Mack rd688 e7 air compressor help 1 2 3

   By Moparmike, March 12
   • 53 replies
   • 6.2k views
   • 
   • Moparmike
   • April 24

7. e tech yokes

   By 07cl733, April 21
   • 7 replies
   • 246 views
   • 
   • 07cl733
   • April 23

8. Another MP7 no crank no start with history of burned ecm’s 1 2

   By 96bulldogpower, January 30
   • 27 replies
   • 1.2k views
   • 
   • 96bulldogpower
   • April 18

9. Pump question.....well, sorta.

   By Freightrain, April 16
   • 2 replies
   • 244 views
   • 
   • CF-Firefighter
   • April 17

10. Dynatard Electrical connection on valve cover.

    By green_380, April 15
    • 1 reply
    • 193 views
    • 
    • fjh
    • April 15

11. Engine brake add on

    By Flying Pig, April 12
    • 7 replies
    • 335 views
    • 
    • fjh
    • April 14

12. More info on the new to me tractor

    By Flying Pig, April 7
    • 20 replies
    • 705 views
    • 
    • mrsmackpaul
    • April 12

13. Dinex Nox sensors for Mack

    By red bumper, April 8
    • 1 reply
    • 180 views
    • 
    • The Heinz
    • April 9

14. Mack Etech Dead Miss

    By Salpolit, April 8
    • 1 reply
    • 206 views
    • 
    • Joey Mack
    • April 9

15. wrist pin bushings. 1 2

    By 07cl733, April 5
    • 26 replies
    • 694 views
    • 
    • Geoff Weeks
    • April 5

16. E7 454 questions

    By Mackman87, April 3
    • 6 replies
    • 406 views
    • 
    • Mackman87
    • April 4

17. 9 to 8 speed 1 2

    By Flying Pig, March 25
    • 26 replies
    • 2.3k views
    • 
    • Flying Pig
    • March 30

18. Thoughts on cam shaft replacement.

    By 07cl733, March 25
    • 4 replies
    • 624 views
    • 
    • Joey Mack
    • March 28

19. Eaton auto shift problem

    By Jason Chernoff, March 26
    • 0 replies
    • 353 views
    • 
    • Jason Chernoff
    • March 26

20. Etech cylinder liner question.

    By 07cl733, March 23
    • 16 replies
    • 2.8k views
    • 
    • Joey Mack
    • March 25

21. Expanding operations

    By Flying Pig, March 20
    • 13 replies
    • 961 views
    • 
    • Geoff Weeks
    • March 21

22. Old Jake brake thread. Brake saver retarder question

    By BronsonA2150, March 16
    • 10 replies
    • 860 views
    • 
    • mrsmackpaul
    • March 17

23. Early 90'wiring

    By underdog77, March 16
    • 0 replies
    • 255 views
    • 
    • underdog77
    • March 16

24. This should bring back memory's for us that were involved with cam jobs in the past!

    By fjh, March 15
    • 0 replies
    • 279 views
    • 
    • fjh
    • March 15

25. 2005 Cv713 Ai400 power issues 1 2

    By MillennialTrucker93, August 30, 2021
    • 31 replies
    • 9.6k views
    • 
    • MillennialTrucker93
    • March 13