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MJ Tech: Modification and Repairs

For all your Comanche (MJ) needs.  An excellent place to ask questions, and to discuss modifications and issues.

32416 topics in this forum

  1. Runaway Idle

    By sporttruck88,
    • 4 replies
    • 1.3k views

  2. HO aw4 transmission issues

    By 88mjsally,
    • 0 replies
    • 536 views

  3. Tdi swap?

    By Muncher,
    • 8 replies
    • 2.3k views

  4. oil in the breather box?

    By brucecooner,
    • 15 replies
    • 1.5k views

  5. Hard/Long start with hot engine, 87 4.0

    By 87MJJeep,
    • 5 replies
    • 562 views

  6. Short Block Source

    By AZJeff,
    • 12 replies
    • 1.3k views

  7. 1987 4.0 fuel supply and return lines

    By JimB,
    • 5 replies
    • 956 views

  8. Steering column rebuild

    By KBRAY88MJ,
    • 5 replies
    • 1.8k views

  9. May need a new clutch. Recommendations?

    By brucecooner,
    • 12 replies
    • 1.2k views

  10. Bigger window upgrade parts?

    By EUREKA,
    • 17 replies
    • 1.1k views

  11. Chevy handles that work with MJ tailgate?

    By yungupgrade,
    • 9 replies
    • 1k views

  12. Maximum Chromeage?

    By EUREKA,
    • 7 replies
    • 1.2k views

  13. Metric Ton Comanche

    By Badbobaz,
    • 5 replies
    • 809 views

  14. thoughts about early XJ for 4wd conversion?

    By MarteenJ,
    • 14 replies
    • 1.3k views

  15. Dana 44

    By Warren99,
    • 4 replies
    • 611 views

  16. Seized Brakes on Both Sides of Rear Axle - Replace Drums or Axle?

    By Jfcouper,
    • 9 replies
    • 1.2k views

  17. Low oil pressure....

    By gvthnks,
    • 15 replies
    • 1.7k views

  18. new or rebuilt engines

    By Southpaw,
    • 0 replies
    • 477 views

  19. can't go faster then 25

    By Everz,
    • 7 replies
    • 962 views

  20. C101 question

    By oldmanche,
    • 8 replies
    • 1k views

  21. 2 door power windows / locks .

    By Strokermjcomanche,
    • 1 reply
    • 725 views

  22. Door Removal/Bolt Upgrade?

    By CrustyBoy,
    • 9 replies
    • 1.4k views

  23. Right speakers went out

    By ghendel,
    • 3 replies
    • 690 views

  24. Renix Engine Monitor scan tool 1 2 3 4 5

    By 87MJTIM,
    • 112 replies
    • 31.2k views

  25. LS and Holley guys!

    By krustyballer16,
    • 7 replies
    • 1.1k views
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