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Unread 11-20-2012, 01:49 PM   #1
Roo2
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Difference in engines between Rubis and non Rubis?

Hey guys,
I'm looking at trying to buy a JK Rubicon where the engine doesn't work and then find another JK Rubi if possible but its going to be easier to find a non Rubi that has been rear ended and get it for cheap then swap the engines. I would assume that the engines are the same but I'm trying to figure out if there are any issues i would run into? Like maybe with the swaybar disconnect components/ wiring harnesses or the locking axle components/wiring etc. If anyone know of any problems that would arise please let me know. I plan on trying to get 2 JK's of the same year but again that limits my choices. Also if the bad engine is a 3.6 I would make sure the good engine is a 3.6 , same for the 3.8. I'm open to all comments and ideas.
Just trying to get another JK on the road.....and soon the trails
Thanks Guys!!

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Unread 11-20-2012, 01:52 PM   #2
BadTrainDriver
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No difference in the engines.
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Unread 11-20-2012, 02:01 PM   #3
Roo2
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What about transmissions? I've read manuals have longer driveshafts.
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Unread 11-20-2012, 02:07 PM   #4
RockyClymer
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Not sure about all years, but for the 08, the drive shafts are the same between manual and auto. There is a tail shaft spacer in the auto that makes it that way.
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Unread 11-20-2012, 06:48 PM   #5
thedirtman
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Why dont you just pick up a used motor. Lots of hemi's going into jeeps and there is ample supply of good used 3.8 motors.
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Unread 11-20-2012, 06:50 PM   #6
Coolcatracing
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The JK rear shafts are all the same length from 07-11, given 2 door or 4 door remains the same. The only difference there was the Rubi's had a different transfer case and of course the axles. The sway bar disconnect isn't an issue since its just a box mounted to the bar itself. If you need an engine all JK's from 07-11 will work fine.
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