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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.

32645 topics in this forum

  1. Rookie Water Pump Replacement 1 2 3

    By AnotherOldJeepGuy,
    • 53 replies
    • 1.7k views

  2. 3inch lift 1 2

    By MattK,
    • 31 replies
    • 3.4k views

  3. Coolant hose question

    By Sp88mj,
    • 12 replies
    • 437 views

  4. Fuel Pump Ballast Resistor

    By Keyav8r,
    • 10 replies
    • 2.3k views

  5. Renix Engine and fuel control

    By NorJeep,
    • 24 replies
    • 1.2k views

  6. Sway Bars - Front and Rear

    By 89 MJ,
    • 8 replies
    • 471 views

  7. Shift Boot. 1 2

    By hitman72,
    • 32 replies
    • 6.4k views

  8. Header experience

    By tarmac2dirt,
    • 0 replies
    • 214 views

  9. Clicking sound when turning

    By hgeranium,
    • 6 replies
    • 343 views

  10. Clunking noise in rear right side

    By golddigger,   
    • 15 replies
    • 546 views

  11. Unknown Plug

    By JimiGibbs,
    • 3 replies
    • 314 views

  12. Testing Renix Coolant Pressure Bottle, Adapter?

    By knever3,
    • 3 replies
    • 317 views

  13. Weak Brakes - Need Help Diagnosing 1 2

    By dotnetrob,
    • 43 replies
    • 3k views

  14. 1990 Jeep mj column shift 2wd to 4wd swap

    By MattK,
    • 3 replies
    • 300 views

  15. Old Navy Is Preaching the Comanche Gospel! $6 MJ Toddler Shirt

    By Salvagedcircuit,
    • 4 replies
    • 400 views

  16. Renix blow-by

    By hgeranium,
    • 24 replies
    • 898 views

  17. K Suspension 4 hole injectors, new Chinese?

    By Htchevyii,
    • 11 replies
    • 733 views

  18. Using ON for ACC OK?

    By AnotherOldJeepGuy,
    • 5 replies
    • 281 views

  19. 4.10 TJ Rubicon gearing in 3.07 MJ Dana 44

    By thousender,
    • 14 replies
    • 601 views

  20. No start

    By woodard78,
    • 11 replies
    • 568 views

  21. Getting high beams to work again

    By hgeranium,
    • 5 replies
    • 463 views

  22. Heater Core Recommendations

    By Blaine.D,
    • 21 replies
    • 3.5k views

  23. Thermostat opening temp opinions

    By hgeranium,
    • 6 replies
    • 430 views

  24. What’s this on my oil dipstick?

    By hgeranium,
    • 4 replies
    • 444 views

  25. Manifold install 1 2

    By eaglescout526,
    • 29 replies
    • 1.3k views
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