12+ 3.6 Pentastar Engine Replacement

J

JKDream

Guest
So, long story short, a close friend was denied warranty on his 2013 JK MT.
He has very low compression, consuming 1.5-2 litres between fill-ups.
We're looking into doing a motor replacement, and found a couple pretty cheap.
I'm assuming this would be a pretty straight forward swap since we're using the same motor, and we both have experience doing swaps.
My question is: Is there any major variations between the Pentastar motors? Ie: can we use one out of an auto minivan, or does it have to come from the same model JK?
Anything we need to watch out for?
 
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