j440 Posted March 4, 2009 Share Posted March 4, 2009 I am going to swap an HO into my '87 Comanche 4x4. I have found one in a very badly wrecked 2wd Cherokee. I can get the whole Cherokee fairly reasonable. Is there going to be any problem with the 2wd jtec in an '87 4x4 with an AW4? The Cherokee has an instrument cluster with a tachometer which is another plus. I want to use the Jtec instead of the Renix system because I am a little familiar with the Jtec. Link to comment Share on other sites More sharing options...
JeepcoMJ Posted March 4, 2009 Share Posted March 4, 2009 well, IDK what J-tec means. but to convert it to your 4wd trans you need to use the H.O. torque converter because the bolts won't line up with the H.O. flex plate (and you can't run renix flex plate on H.O.) you'll also need to make sure you use an ecu for an aw4 if the donor cherokee has a 5 speed. then you'd also need the aw4 wiring obviously. basically, if it's an automatic cherokee, yes it will work but definitely heed my advice reguarding the H.O. torque converter. Link to comment Share on other sites More sharing options...
j440 Posted March 5, 2009 Author Share Posted March 5, 2009 Thanks. JTEC is for Jeep Truck Engine Controller. Sorry. Link to comment Share on other sites More sharing options...
Pete M Posted March 5, 2009 Share Posted March 5, 2009 Exactly how much of the cherokee are you wanting to use? Link to comment Share on other sites More sharing options...
j440 Posted March 6, 2009 Author Share Posted March 6, 2009 I don't know about any of my drivetrain. I bought the truck without an engine. The ATF looks pretty dirty. If I could find a complete Cherokee that was running well but wrecked I would swith out from the engine to the transfer case. Link to comment Share on other sites More sharing options...
Pete M Posted March 6, 2009 Share Posted March 6, 2009 To switch to the entire HO package, you'll need, well, the entire HO package. The complete wire harness (even under the dash). If you can get a donor vehicle, it's pretty straight forward. It's been done before. :thumbsup: If you don't want to swap out the entire harness and dash, but you need an engine, top to bottom, I'd keep looking for a Renix-era truck that has exactly what you're missing. Link to comment Share on other sites More sharing options...
JeepcoMJ Posted March 6, 2009 Share Posted March 6, 2009 To switch to the entire HO package, you'll need, well, the entire HO package. The complete wire harness (even under the dash). If you can get a donor vehicle, it's pretty straight forward. It's been done before. :thumbsup: If you don't want to swap out the entire harness and dash, but you need an engine, top to bottom, I'd keep looking for a Renix-era truck that has exactly what you're missing. agree 100% Link to comment Share on other sites More sharing options...
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