Engine swap
#1
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Year: 1987
Model: Cherokee
Engine: 4.0 6L
Engine swap
I could really used some help. I have an 87 Cherokee 4.0 L6 that had a tick/knock. Paid a mechanic to work on it and now (according to my new mechanic) the engine is screwed. Needless to say, done with mechanics will replace the engine myself this time but I need to know what alternate engines will work in my Jeep. I need to get a new engine but I know they changed out. It thought it was anything L6 from 85 to 91 would work but I can't find specs anywhere. Anyone with solid knowledge???
Last edited by sidmcgyver; 03-18-2009 at 11:35 AM.
#3
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Year: 1987
Model: Cherokee
Engine: 4.0 6L
#5
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Year: 1987
Model: Cherokee
Engine: 4.0 6L
#7
If you want to reduce the hassle, then find one in a 87-90 model. The 91 is when they changed over from AMC to Chrysler. The blocks are all the same, but the head, intake manifold, exhaust manifold, and engine control system are all different.
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#8
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Year: 1989
Model: Cherokee
Engine: 4.0L renix
search craigslist for someone parting one out and grab the motor. with any luck you can hear it run before hand and pull it yourself so you know how it goes back in
#11
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Year: 1995
Model: Cherokee
Engine: 4.0L High Output
x2 If the motor looks ok otherwise, and the miles on the truck aren't astronomically high then it would totally be worth it. They might even cut you a deal and charge you less for a "inoperable" motor. And Programbo is right, a head gasket replacement would be nothing at all with the engine out of the Jeep. It would be a good opportunity to replace some other gaskets as well. Rear main, oil pan, valve cover, etc... All cheap insurance...
#12
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Year: 1989
Model: Cherokee
Engine: 4.0
I have heard that an engine with a bad head gasket will have problems with bearings. I bought a jeep with a bad head and havne't had any problems yet (key word being yet). I hope to get 10k out of it before having to do a complete rebuild of the engine.
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