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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. Engine upgrade planning. Are there smog legal manifolds for an LS/SBC swap?

    By derf,
    • 4 replies
    • 1.2k views

  2. Max tire size

    By speeding_infraction,
    • 15 replies
    • 2.5k views

  3. AX4 to AX5 89 MJ

    By Norton,
    • 0 replies
    • 661 views

  4. Metal plate on the bottom of bumper chin

    By Classy Comanche,
    • 10 replies
    • 1.4k views

  5. Getting Discouraged with my MJ (radiator issues) 1 2 3 4

    By Classy Comanche,
    • 80 replies
    • 8.8k views

  6. Coolant Leak from the transmission.

    By DesertComanche86,
    • 8 replies
    • 1.4k views

  7. Marathon seat covers

    By Whitaker717,
    • 5 replies
    • 1.4k views

  8. Cam for 2.5?

    By Peanut_butter_mj,
    • 19 replies
    • 2.8k views

  9. New Cargo Light Option 1 2

    By ghetdjc320,
    • 39 replies
    • 5.6k views

  10. Diesel running issues

    By Muncher,
    • 3 replies
    • 1.3k views

  11. 86 2.8L and etc value? Scrap it or hold out

    By ThatJeepGuy,
    • 6 replies
    • 769 views

  12. Engine bay cleanup and wire management

    By knuckledragger666,
    • 8 replies
    • 2.6k views

  13. Internal slave leaking

    By pizzaman09,
    • 2 replies
    • 782 views

  14. Bench seat rebuild with 97+ XJ seat belts

    By Airborne Janitor,
    • 5 replies
    • 2.6k views

  15. any strong opinions on aftermarket oil pans?

    By Pete M,
    • 3 replies
    • 1.1k views

  16. Found during valve cover gasket install 1 2

    By NC Tom,
    • 40 replies
    • 3.8k views

  17. Trailer Wiring Harness Questions

    By acfortier,
    • 9 replies
    • 2.2k views

  18. Help me piece together what I have part wise for later 4wd Conversion

    By ExpatMJGuy,
    • 17 replies
    • 1.8k views

  19. 97+ front end swap question

    By CO MJ,
    • 10 replies
    • 1.3k views

  20. Still bucking and dieing

    By comanche32,
    • 19 replies
    • 2.4k views

  21. 99 Xj Grille Guard on 88 Mj?

    By Bonkers,
    • 23 replies
    • 3.6k views

  22. Armrest clip

    By JD1,
    • 3 replies
    • 1.2k views

  23. I’m an idiot and coolant is hot

    By CMFW,
    • 5 replies
    • 1.9k views

  24. Starts then shuts off immediately 1 2

    By Zadouw,
    • 29 replies
    • 3.9k views

  25. ORIGINAL window sticker found!!!!

    By Classy Comanche,
    • 5 replies
    • 2k views
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