1988 Engine Swap
Renix Super Guru
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From: In yourz postez fissin jurr spelinzs
Year: 1990XJ/1989MJ
Model: Comanche
Engine: 4.0L Renix
Block will swap but the head will not match very well with your intake/exhaust manifolds. You need to retain the 88 manifolds without and expensive conversion to a later style throttle body and exhaust header.
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Joined: Oct 2008
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Year: 1988
Model: Cherokee
Engine: 4.0
1988 Engine Swap
I plan to use the 1988 intake and exhaust manifolds. I was wanting to make sure the alternator, power steering and air condition units will match up as well to the 2005 block.
Renix Super Guru
Joined: Mar 2008
Posts: 24,653
Likes: 19
From: In yourz postez fissin jurr spelinzs
Year: 1990XJ/1989MJ
Model: Comanche
Engine: 4.0L Renix
Yes basicly the whole thing will swap but the head surface where the ports are do not match well. Alt and PS will be fine you may have to use the 88 bracketry.
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