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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.

31921 topics in this forum

  1. No Reverse Lights 1 2

    By Roggesound,
    • 42 replies
    • 12.4k views

  2. H.O. Header upgrade.......donut gasket won't fit

    By JeepFanatik,
    • 4 replies
    • 715 views

  3. Xj fuel pump mod

    By Andybobandy,
    • 1 reply
    • 469 views

  4. New brakes no pedal, any suggestions? 1 2

    By jeepmjga,
    • 42 replies
    • 1.5k views

  5. MJ long wheelbase gas tank fuel pump

    By Buster Enus,
    • 8 replies
    • 511 views

  6. Idle Increases With Temp 1 2

    By BizarroStormy,
    • 26 replies
    • 2.7k views

  7. OME long travel shocks

    By Rubikahn,
    • 0 replies
    • 371 views

  8. Cranks no start

    By Myles Cyncora,
    • 4 replies
    • 928 views

  9. Ax4 to ax15 swap

    By SheetmetalD,
    • 2 replies
    • 569 views

  10. Citristrip

    By Rubikahn,
    • 3 replies
    • 403 views

  11. Long start, high rev

    By scottie005,
    • 11 replies
    • 993 views

  12. Frame Stiffeners

    By desertmike,
    • 14 replies
    • 2k views

  13. Windshield Replacement

    By BootsNTrucks,
    • 19 replies
    • 3.4k views

  14. AX-15 questions

    By scottie005,
    • 11 replies
    • 717 views

  15. 16 gallon vs 23 gallon 1 2

    By eaglescout526,
    • 45 replies
    • 3.1k views

  16. Up and Down idle, seems worse in colder temps, need advice.

    By knever3,
    • 8 replies
    • 591 views

  17. Harmonic Balancer Installation Tips [1989 Jeep Comanche 4.0 I6]

    By james-mc,
    • 12 replies
    • 751 views

  18. Hard Starting, started 1 2

    By War_Pony89,
    • 37 replies
    • 2.8k views

  19. Going to pull the heater box one more time.....

    By watchamakalit,
    • 15 replies
    • 1.1k views

  20. An 86 Comanche....

    By KANTANKRUS,
    • 6 replies
    • 701 views

  21. Evapo-Rust

    By Rubikahn,
    • 10 replies
    • 5.9k views

  22. Moon visor wiring

    By Rubikahn,
    • 6 replies
    • 838 views

  23. steering upgrade questions

    By zomeizter,
    • 6 replies
    • 649 views

  24. Budget lift

    By bezjeep,
    • 11 replies
    • 1.3k views

  25. what should I look for in a renix comanche?

    By morks,
    • 3 replies
    • 504 views
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