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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.

32013 topics in this forum

  1. Auto swap vs 4x4 swap

    By Wesleypipesyo,
    • 19 replies
    • 2.3k views

  2. Part number for locking plate clip ring

    By Keyav8r,
    • 10 replies
    • 1.1k views

  3. High idle after injector swap

    By dscowell,
    • 9 replies
    • 1k views

  4. Quick question about no heat

    By Randy in Maine,
    • 24 replies
    • 3.1k views

  5. OEM Blazer Fog Lights 1 2

    By Zenobian_84,
    • 25 replies
    • 3.2k views

  6. 89' ECM fried what relays connections I need to check?

    By rustybottoms88,
    • 0 replies
    • 535 views

  7. E brake cable question

    By big66440,
    • 4 replies
    • 912 views

  8. 4.0L compression test

    By Bobolink,
    • 1 reply
    • 682 views

  9. window

    By vracanelli,
    • 1 reply
    • 1k views

  10. Dual Diaphragm Booster/MC: Which distribution block to use?

    By Minuit,
    • 23 replies
    • 1.9k views

  11. No LEFT signal or brake light

    By xjrev10,
    • 10 replies
    • 1.3k views

  12. Yet another no start. Renix 6 cyl

    By MancheKid86,
    • 4 replies
    • 1.1k views

  13. wheel spacers need help 1 2 3

    By redwolf624,
    • 73 replies
    • 9.1k views

  14. Who has over 200,000 on a daily driver? 1 2 3

    By 88AMComanche,   
    • 56 replies
    • 6.8k views

  15. Pillar lights on at half brightness

    By Rockfrog,
    • 11 replies
    • 1.1k views

  16. gear ratio questions

    By dustyinthedirt,   
    • 16 replies
    • 2.3k views

  17. 2.8 to 4.0 swap

    By akadeutsch,
    • 3 replies
    • 1.4k views

  18. Engine swap

    By mj86,
    • 17 replies
    • 1.6k views

  19. rear main seal 1 2

    By dj5,
    • 28 replies
    • 7.2k views

  20. marvel mystery oil?

    By Dom U,
    • 15 replies
    • 2.3k views

  21. Ladder/lumber rack

    By Dando,
    • 13 replies
    • 3.8k views

  22. New blower motor not functioning....must be something else.. 1 2

    By Rohls,   
    • 30 replies
    • 3.9k views

  23. Light bar oppinions

    By Jacob Ochs,
    • 10 replies
    • 1.6k views

  24. Flush coolant just in engine?

    By 91Pioneer,
    • 9 replies
    • 2.4k views

  25. Liberty 8.25 in a tj???

    By 88whitemanche,
    • 11 replies
    • 4.5k views
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