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  1. 8

    heads up on 88 xj 4.0 parts

    Hi everyone, I am about to take the motor out of my 88xj and put into a 92. After that I'm parting it out to recoup some of my expenses. so here's the skinny: 88 XJ 4.0 Renix 4X4 with dana 35 rearend 4dr. I will check this thread regularly for orders. I'll contact you with further info.
  2. 8

    engine swap comfirmation

    I know this has been covered because I have searched. Here is the deal-- I have an 88xj 4.0 renix, I just bought a 92xj 4.0 ho. the 92 has a bad engine the 88 engine has 6500 miles since rebuild. I want to put the 4.0 block and head out of the 88 into the 92, reusing the 92 header, intake, and...
  3. 8

    4.0 block for sale "M" eng. code

    I have a 4.0 long block for sale. came out of an 88XJ, was running when removed. will need to be rebuilt prior to installation. make a great core.
  4. 8

    Iac

    I have a 88 XJ with the 4.0, MPI engine. Is the Idle Air Controller located on the throttle body adjustable. The reason I ask is I replaced mine and had trouble with the engine stalling, then I removed it and notived the valve disc could be unscrewed to extend further into the throttle body.
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