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Discussion Starter #1 (Edited)
I recently scored a 2007 JK Unlimited with 109,000 miles. The former owner sold it stating it has a bad "rod knock". I am not totally convinced its actually a "rod knock".
Anyway I have a new 3.8L engine out of a 2010 JK. We pulled it out with 250 miles on it to do a Hemi swap. I would really like to put the 2010 engine in the 2007. I have heard, that the 2007 is not the same as a 08, 09, 10.
Does anyone have any insight for me?
Will it work? What will it take? Bad idea?
Thanks
 

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There is another thread asking the same? Somewhere on here. Would look for the link but phone search sucks. Believe the short answer is no issues w using the newer motor.

Is this thing on?.....
 

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I put an 11 motot in my 07.

I used my stock harness as the 11 was slightly different.

Other that that the only other thing I swapped was the coolant temp sensor it had a diff plug.

Good luck!
 

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It sounds do'able. Good luck! Post pics:beer:
 

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Discussion Starter #6
I also have the transmission out of the 2010. I might as well switch that over to the 2007 as well. Any one know of any issues with the trans swap?
Thanks for all the insight.
 
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