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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.

32746 topics in this forum

  1. oil in the breather box?

    By brucecooner,
    • 15 replies
    • 2k views

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

    By 87MJJeep,
    • 5 replies
    • 799 views

  3. Short Block Source

    By AZJeff,
    • 12 replies
    • 1.6k views

  4. 1987 4.0 fuel supply and return lines

    By JimB,
    • 5 replies
    • 1.2k views

  5. Steering column rebuild

    By KBRAY88MJ,
    • 5 replies
    • 2.4k views

  6. May need a new clutch. Recommendations?

    By brucecooner,
    • 12 replies
    • 1.5k views

  7. Bigger window upgrade parts?

    By EUREKA,
    • 17 replies
    • 1.5k views

  8. Chevy handles that work with MJ tailgate?

    By VorTekX,
    • 9 replies
    • 1.3k views

  9. Maximum Chromeage?

    By EUREKA,
    • 7 replies
    • 1.5k views

  10. Metric Ton Comanche

    By Badbobaz,
    • 5 replies
    • 1k views

  11. thoughts about early XJ for 4wd conversion?

    By MarteenJ,
    • 14 replies
    • 1.7k views

  12. Dana 44

    By Warren99,
    • 4 replies
    • 799 views

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

    By Jfcouper,
    • 9 replies
    • 1.7k views

  14. Low oil pressure....

    By gvthnks,
    • 15 replies
    • 2.4k views

  15. new or rebuilt engines

    By Southpaw,
    • 0 replies
    • 618 views

  16. can't go faster then 25

    By Everz,
    • 7 replies
    • 1.2k views

  17. C101 question

    By oldmanche,
    • 8 replies
    • 1.4k views

  18. 2 door power windows / locks .

    By Strokermjcomanche,
    • 1 reply
    • 962 views

  19. Door Removal/Bolt Upgrade?

    By CrustyBoy,
    • 9 replies
    • 1.8k views

  20. Right speakers went out

    By ghendel,
    • 3 replies
    • 945 views

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

    By 87MJTIM,
    • 112 replies
    • 35.8k views

  22. LS and Holley guys!

    By krustyballer16,
    • 7 replies
    • 1.4k views

  23. AC Relay blown/Kluged setup

    By ktmall07,
    • 0 replies
    • 656 views

  24. Big 7 alternator shroud question

    By farmboi,
    • 5 replies
    • 1.1k views

  25. Stuck wheels have me stuck

    By Jfcouper,
    • 13 replies
    • 2k views
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