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Post by **matty401** » March 3rd, 2013, 6:31 am

i have a nephew that is swapping a 4 cyl to a 4.0 auto in a wrangler i think it is a 89 what does he have to do to complete this doner jeep is complete and running thanks

Post by **IH 392** » March 3rd, 2013, 10:16 am

I've never screwed with the 2 bangers?, but IIRC they don't share the same bellhousing?, you'll need to swap the trans with the engine.

Post by **matty401** » March 5th, 2013, 6:38 am

he is using the 4.0 trans and transfer case in the swap

Post by **Shade_Tree** » June 6th, 2013, 2:58 pm

I'm currently doing the same or at least gathering all the information first. From what I understand, he'll have to move the engine mounts back about two inches. The transmission mounts can accommodate so they don't require movement. The engine, transmission and transfer case all end up being ~2" further back...this makes the front drive shaft ~2" too short, you can pick up a 4.0 front driveshaft from a junkyard readily through www.car-part.com

For the rear driveshaft I was intent on using a slip yoke eliminator which of course means I was already going to have to buy a rear driveshaft.

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