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4.0 swap from a 4 banger in a 90 yj

584 Views 4 Replies 4 Participants Last post by  lilrick
Ok, any sites out there that would give me some heads up on this job. Im pretty sure i am going to be doing the swap, so before i go into it blind, i would like to read some info on it.
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Pontiac, Put down the beer and take a step back.

"4.0 swap from a 4 banger in a 90 YJ"

4.0 = 6 cyl
4 banger = 2.5L

You wanna put a 4.0 in a 90 YJ that currently has a 2.5 or are you wanting to swap a 4 banger in to a 90 YJ that currently has a 4.0...and what does any of this have to do with your CJ?
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