Engine and Transmission

6,347 topics in this forum

1. 237/Quad oil leak

   By mkmac, August 9, 2020
   • 4 replies
   • 1.3k views
   • 
   • JoeH
   • August 18, 2020

2. 1998 CH613 E7 427 Engine Noise

   By johnsonjar1, August 12, 2020
   • 2 replies
   • 1.7k views
   • 
   • Dirtymilkman
   • August 14, 2020

3. EM7 upgraded inj and turbo

   By Brandt, March 30, 2018
   • 21 replies
   • 5.1k views
   • 
   • Bliue dm
   • August 9, 2020

4. 2001 mack e7 400 missing and backfiring

   By ou812jk, June 30, 2018
   • 13 replies
   • 2.9k views
   • 
   • Jamkar
   • August 9, 2020

5. MP7 EPA04

   By Kyle 537, August 8, 2020
   • 0 replies
   • 564 views
   • 
   • Kyle 537
   • August 8, 2020

6. Low power- help

   By Nsfr1206, July 30, 2020
   • 16 replies
   • 1.7k views
   • 
   • Nsfr1206
   • August 8, 2020

7. B61 hand primer

   By tilynb61, July 26, 2020
   • 9 replies
   • 1.7k views
   • 
   • doubleclutchinweasel
   • August 5, 2020

8. Mp7 rockers

   By Kyle 537, August 4, 2020
   • 1 reply
   • 738 views
   • 
   • fjh
   • August 5, 2020

9. M drive

   By svigarfarms, August 5, 2020
   • 2 replies
   • 898 views
   • 
   • fjh
   • August 5, 2020

10. 1969 R685 engine ID for cam replacment

    By AMGeneral, July 6, 2020
    • 15 replies
    • 2.6k views
    • 
    • AMGeneral
    • August 5, 2020

11. 237 Thermodyne

    By Diesel Brad, August 27, 2006
    • 23 replies
    • 13.5k views
    • 
    • Frankinstien tractor
    • August 4, 2020

12. Eaton 8LL problems

    By 90plow, August 2, 2020
    • 16 replies
    • 7.9k views
    • 
    • doubleclutchinweasel
    • August 4, 2020

13. spn 4812 help

    By cement head, January 3, 2019
    • 2 replies
    • 4.2k views
    • 
    • chogora
    • August 4, 2020

14. 1991 MACK CH 613 A/C DUCT ISSUE

    By msbulldog601, August 4, 2020
    • 0 replies
    • 615 views
    • 
    • msbulldog601
    • August 4, 2020

15. Best year E7

    By Bliue dm, August 1, 2020
    • 15 replies
    • 8.4k views
    • 
    • Bliue dm
    • August 3, 2020

16. ENDT 865

    By Sonrise, August 1, 2020
    • 0 replies
    • 770 views
    • 
    • Sonrise
    • August 1, 2020

17. excess boost pressure

    By Spring, January 4, 2020
    • 12 replies
    • 4.7k views
    • 
    • fjh
    • July 30, 2020

18. Aset or E7

    By Brad Carpenter, July 23, 2020
    • 14 replies
    • 3.1k views
    • 
    • fjh
    • July 30, 2020

19. Emissions System "Get Home" trick

    By Mack Technician, June 18, 2020
    • 12 replies
    • 4.6k views
    • 
    • Mack Technician
    • July 29, 2020

20. Maxitorque Fluid Swap

    By Spring, July 28, 2020
    • 0 replies
    • 960 views
    • 
    • Spring
    • July 28, 2020

21. Injector Low voltage

    By Computerguy, August 22, 2017
    • 4 replies
    • 2.2k views
    • 
    • Bryce
    • July 27, 2020

22. Reman Engine

    By 880joe, July 19, 2020
    • 7 replies
    • 1.1k views
    • 
    • storkmack
    • July 26, 2020

23. Release bearing

    By Old Dawg 72, July 19, 2020
    • 6 replies
    • 1.2k views
    • 
    • Quickfarms
    • July 25, 2020

24. Emissions Argument invitation

    By Mack Technician, July 25, 2020
    • 3 replies
    • 852 views
    • 
    • Mack Technician
    • July 25, 2020

25. My 427 needs more power!

    By Elwood2020, July 24, 2020
    • 3 replies
    • 1.3k views
    • 
    • Elwood2020
    • July 25, 2020