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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.

32856 topics in this forum

  1. head gasket

    By dustyinthedirt,   
    • 2 replies
    • 1.1k views

  2. 97+ windows

    By FarmerBrown5,
    • 4 replies
    • 1.8k views

  3. MJ differential swap questions

    By big66440,
    • 16 replies
    • 2.9k views

  4. sye/ lift

    By buddy208,
    • 22 replies
    • 10k views

  5. High RPM's and won't coast

    By drase,
    • 2 replies
    • 1.4k views

  6. 4x4 coversion '89' or '99'??

    By tarmac2dirt,
    • 13 replies
    • 2.2k views

  7. Chassis Channel Reinforcement

    By VolsJK,
    • 8 replies
    • 2.4k views

  8. Engine harness electrical connectors

    By Sir Jacob the 2nd,
    • 6 replies
    • 1.2k views

  9. mj long bed to short bed

    By Julio_Az,
    • 11 replies
    • 3.3k views

  10. Repair/Differential-Interchange Information Wanted for my Just-Bought '89 2wd Commanche

    By Dal3,
    • 9 replies
    • 1.5k views

  11. Tranny swap

    By 89JeepMJ,
    • 2 replies
    • 1.3k views

  12. Need some help with grounds/sensors 1 2

    By JeepComanche89,
    • 30 replies
    • 4.1k views

  13. Fuel Injector Seal/O-Ring Replacement

    By Timeless,
    • 4 replies
    • 1.5k views

  14. JK Wheels on MJ

    By rustybottoms88,
    • 10 replies
    • 6.5k views

  15. slip yoke while converting to 4x4

    By ownedueasy,
    • 3 replies
    • 1.8k views

  16. Fuel injectors

    By boardmanMJ,
    • 10 replies
    • 3.4k views

  17. crossmember question

    By ownedueasy,
    • 7 replies
    • 2.3k views

  18. Long arms and lift help me build it.

    By moparcyco,
    • 4 replies
    • 1.7k views

  19. Central Breather setup

    By daking,   
    • 4 replies
    • 2.3k views

  20. Cooling Fan Electrical '90 4.0

    By TNCave,
    • 14 replies
    • 4.8k views

  21. oil pan

    By jeepevy,
    • 8 replies
    • 1.9k views

  22. transmission problems questions

    By bbe,
    • 4 replies
    • 1.9k views

  23. Sway bar disconnects.

    By Butchershop,
    • 3 replies
    • 1.5k views

  24. HP dana 30 rebuild

    By thejim42,
    • 4 replies
    • 1.7k views

  25. sm420 swap????

    By Katzer,
    • 2 replies
    • 1.2k views
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