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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.

32431 topics in this forum

  1. 4.0 with 4.2 rods and crank

    By thejim42,
    • 3 replies
    • 1.1k views

  2. Any Comanche exclusive salvage yards? No reply to my classified WTB

    By Area51Werks,
    • 7 replies
    • 1.2k views

  3. xj frame

    By groffman056,
    • 13 replies
    • 7.1k views

  4. Drivers side key cylinder not working

    By dkmcgowan,
    • 3 replies
    • 658 views

  5. Prevent Exhaust Header/Manifold Cracks With a Flex Joint

    By HOrnbrod,
    • 7 replies
    • 5k views

  6. 92 Comanche speakers

    By FarmerBrown5,
    • 8 replies
    • 1.1k views

  7. Another 4wd swap

    By ahmincha,
    • 3 replies
    • 819 views

  8. Fuel sending unit question

    By jeep690,
    • 3 replies
    • 1.1k views

  9. rpm

    By groffman056,
    • 4 replies
    • 1.2k views

  10. NAXJA sent me here for diesel advice!

    By vmdiesel,
    • 4 replies
    • 1.1k views

  11. Rear Spring Swaps

    By theislandnut,
    • 11 replies
    • 3.2k views

  12. Jeep will not run with the map sensor connected

    By Fernando87mj,
    • 11 replies
    • 2.7k views

  13. is a comanche i6 1988 have hydraulic lifters

    By groffman056,
    • 2 replies
    • 822 views

  14. horsepower

    By groffman056,
    • 2 replies
    • 938 views

  15. Indexing distributor 88 4.0

    By Gene,
    • 13 replies
    • 3.5k views

  16. ORS (off Road Specialties) stubby bumper

    By Rohls,
    • 19 replies
    • 3.9k views

  17. Weird random dead spot with RPM job, but engine doesn't die

    By dkmcgowan,
    • 10 replies
    • 1k views

  18. commache seat swaps

    By groffman056,
    • 10 replies
    • 2k views

  19. Speedo and Clicking sound (unrelated)

    By Jackrabbit41,
    • 6 replies
    • 802 views

  20. body work

    By groffman056,
    • 2 replies
    • 1k views

  21. 4wd swap on an 88 comanche need help

    By groffman056,
    • 3 replies
    • 891 views

  22. Unknown wire from engine block

    By 86customanche,
    • 0 replies
    • 735 views

  23. Seat belt compatibility?

    By KJ1H,
    • 2 replies
    • 970 views

  24. Front suspension issue

    By madmax,
    • 13 replies
    • 1.7k views

  25. What is a good reputable re-manufactured engine? 1 2

    By JXP,   
    • 34 replies
    • 5.1k views
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