2.5 engine compatibility - JeepForum.com
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post #1 of 2 Old 04-03-2010, 07:44 PM Thread Starter
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2001 XJ Cherokee 
Join Date: Apr 2008
Location: cranberry twp. pa
Posts: 234
2.5 engine compatibility

I have a 99 xj with a 2.5 engine and i have a 2.5 engine from an 86 cj7. Will the long block from the 86 which is in excellent cond, work in the 99 using all of the 99 manifolds, accessories, ect. I was told once that it might. long blocks appear very close in appearance. Any ideas ?

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post #2 of 2 Old 04-03-2010, 09:01 PM
Pete M
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1988 MJ Comanche 
Join Date: Sep 2005
Location: S/E Michigan
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CJs used a very different Iron Duke 2.5L engine. XJs used the AMC 2.5L engine

-88 MJ; 4.0L, ex-2wd, TJ ax15/231, 78 Ford D44 w/spool, 9" w/posi, 33" trXus MTs, custom roll-bar/bumpers/etc.
Also an 86 MJ Metric ton and 2 '90 MJs
Projects/wheelin' pics: picturetrail.com/petermontie
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