mndiesel Posted June 21, 2014 Share Posted June 21, 2014 Still searching for an engine to drop into my 1986 MJ XLS with blown 2.5l. I bought the truck a year ago, nearly mint on the outside with blown 2.5l (piston rod through top of piston) and AX4. Today I found this 85 XJ on craigslist - http://minneapolis.craigslist.org/wsh/pts/4486198687.html 1985 jeep Cherokee 163000mi 2.5 motor 5sp. 4x4 Been sitting for many years Will start with gas down carb Do you guys think it would be easy to swap the engine and 5 speed into my 86? Is it a bad idea or should I drive an hour to check it out? Thanks for any advice! Link to comment Share on other sites More sharing options...
jimoshel Posted June 21, 2014 Share Posted June 21, 2014 Been awhile but if I remember correctly the only difference between the '85 and '86 was the carb. I switched the ihe intake manifold so I could keep the '86 carb. Will have to go out tomorrow and check. refresh the memory. Link to comment Share on other sites More sharing options...
onlyinajeep726 Posted June 21, 2014 Share Posted June 21, 2014 Swap the TBI intake mani onto the donor motor. Everything else should be the same. Link to comment Share on other sites More sharing options...
HOrnbrod Posted June 21, 2014 Share Posted June 21, 2014 For $500 that solid looking 85 XJ is well worth the $$. Lot's of good parts on it, and it sounds like it's only a fuel problem from sitting. Link to comment Share on other sites More sharing options...
Jeep Driver Posted June 21, 2014 Share Posted June 21, 2014 If that XJ were here for $500.........would have bought it yesterday without a second thought. Link to comment Share on other sites More sharing options...
Minuit Posted June 21, 2014 Share Posted June 21, 2014 I agree with the two above gentlemen. You don't see many pre-Renix XJs anymore. I doubt they're very valuable but it's cool to see one that's not a complete heap. There's lots of cool oddities about the AMC era XJs. But yeah, swap your TBI stuff on to the 85 engine and you're off if you're going to swap it into the MJ. Link to comment Share on other sites More sharing options...
lil_loco Posted June 21, 2014 Share Posted June 21, 2014 And if you get that 85 xj feel free to sell the a.c. stuff should it have any to me :) Link to comment Share on other sites More sharing options...
Eagle Posted June 21, 2014 Share Posted June 21, 2014 The '85 had a carburetor so it didn't use a CPS. You will need to use the bell housing and flywheel from the '86 engine to make it work, as well as the '86 distributor. Link to comment Share on other sites More sharing options...
Katzer Posted June 21, 2014 Share Posted June 21, 2014 Might want to check what transmission your getting with the 85. I have an 89 2.5L 2wd and trying to do a 4wd conversion. I bought a 85 XJ 5 speed expecting an AX5 and it was a Borg Warner T-5. It doesn't have a CPS in the bellhousing and your AX5 bellhousing will not mount to the BW T-5 transmission. I found it all out the hard way and now I have a tranny I can't use. Lessoned learned: Make sure you know what your buying!!!!! Link to comment Share on other sites More sharing options...
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