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Jeep Wrangler JK
JK General Discussion
head gasket problem
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<blockquote data-quote="Dirty Dog" data-source="post: 458404" data-attributes="member: 24042"><p>As far as I can tell, the blocks seem to be the same and the swap should be possible. I do not know if you'll see any real power changes, though. Although the Challenger 3.6 makes about 30HP more than the JK, I think most of that boost is from better intake and head designs; more flow = more power. And you'd be reusing your existing top end. To swap the long block, you'd probably have to swap the ECM as well, and if you're doing that, you might as well just V8 swap it.</p></blockquote><p></p>
[QUOTE="Dirty Dog, post: 458404, member: 24042"] As far as I can tell, the blocks seem to be the same and the swap should be possible. I do not know if you'll see any real power changes, though. Although the Challenger 3.6 makes about 30HP more than the JK, I think most of that boost is from better intake and head designs; more flow = more power. And you'd be reusing your existing top end. To swap the long block, you'd probably have to swap the ECM as well, and if you're doing that, you might as well just V8 swap it. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
head gasket problem
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