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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.

32820 topics in this forum

  1. Overwhelmed with installing 4.0

    By Jacoop91,
    • 11 replies
    • 1.1k views

  2. Valve Cover Elbow Woes

    By Salvagedcircuit,
    • 2 replies
    • 603 views

  3. Front Suspension Replacement

    By RiversideMJ,
    • 17 replies
    • 3.6k views

  4. Brakes issues on my 90 comanche

    By Jossue,
    • 7 replies
    • 1k views

  5. problems starting

    By nathan,
    • 4 replies
    • 685 views

  6. comanche project gone bad.

    By dirtyoldjeeper,
    • 6 replies
    • 838 views

  7. Leaking component

    By Rusty_Panda,
    • 2 replies
    • 657 views

  8. Starter system issue

    By BentGear,
    • 8 replies
    • 1k views

  9. Renix intermediate pipe BRE mandrel bent stainless. Installed 7-2025

    By Htchevyii,
    • 9 replies
    • 1.7k views

  10. Egr and vacuum line trouble

    By Rusty_Panda,
    • 9 replies
    • 1.1k views

  11. Fuel line problem, need part numbers.

    By Skylynx,
    • 11 replies
    • 1.3k views

  12. Durabak or Rustoleum?

    By Elwiscon,
    • 21 replies
    • 2.6k views

  13. What is this?

    By MrCronic,
    • 7 replies
    • 838 views

  14. Showing 10-11v gauge battery at 13.9

    By ja_racing,
    • 9 replies
    • 1.1k views

  15. '87 Dana 30 C.A.D. delete

    By Eagle_SX4,
    • 9 replies
    • 1.9k views

  16. PS pump

    By garyweb3,
    • 8 replies
    • 1.1k views

  17. 4wd swap question

    By Ricky8227,
    • 1 reply
    • 490 views

  18. Need some dimensions - yet another lift thread

    By Tex06,   
    • 4 replies
    • 783 views

  19. Turn signal gremlin

    By Whitaker717,
    • 10 replies
    • 1.9k views

  20. radio backlight bulbs

    By Pete M,
    • 6 replies
    • 748 views

  21. Dash Connector ID Please

    By AnotherOldJeepGuy,
    • 3 replies
    • 730 views

  22. Reproduction Fender & Header Panel / Front Clip Quality?

    By Salvagedcircuit,
    • 8 replies
    • 1.4k views

  23. 86 battery tray question

    By ratrapp,
    • 8 replies
    • 1.3k views

  24. '97 up console install in '89

    By Colt6920,
    • 11 replies
    • 1.3k views

  25. Need a quick measurement with some dial calipers

    By ghetdjc320,
    • 3 replies
    • 621 views
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