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cylinder head interchangeability?

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Old Sep 1, 2012 | 11:13 AM
  #1  
heisenberg's Avatar
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Default cylinder head interchangeability?

I have a 96 cherokee classic 4.0. I was wondering if the 99 cherokee se 4.0 at the local junk yard has the same cylinder head. I am going to replace it as well as the head gasket and don't wanna have to stop during the job to go get my head machined.
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Old Sep 1, 2012 | 11:15 AM
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Year: 1997
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Engine: 4.0, comp cam, 99 intake, apn header, neon injectors, Thunderbolt 2.5" High Flow Cat
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I believe they use the same alignment dowels in the block after 95. As long as it isn't the 0331 head.
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Old Sep 1, 2012 | 11:18 AM
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All 4.0 high output head interchange.

The only issue is mounting the coil pack from the 99.5-2001 Cherokee. Retrofitting there is no problems.
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Old Sep 1, 2012 | 11:34 AM
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Can I get a list of the years that would be compatible with mine?
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Old Sep 1, 2012 | 11:40 AM
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Any 92 - 99 head should work just fine. I would stay away from 00 - 01 0331 heads.
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Old Sep 1, 2012 | 12:09 PM
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Originally Posted by hi im adam
All 4.0 high output head interchange.

The only issue is mounting the coil pack from the 99.5-2001 Cherokee. Retrofitting there is no problems.
that is incorrect. it was either in 95 or 96 they started using alignment pins, dowels sticking up out of the block. The older heads don't have the holes for them.
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