Page 1 of 1
96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work
Posted: November 8th, 2021, 4:54 pm
by UNDEADxIAN
I have a 98 TJ 2.5 with a manual trans, that is my daily. I also have a 96 XJ Country with a HO 4.0 with auto trans that I was considering using as the donor to stroke and swap into my TJ. I have purchased a 98 TJ Safari 4.0 with auto ECM to use for this potential swap. Will that that ECM run the 96 engine?
Re: 96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work
Posted: November 13th, 2021, 2:05 am
by Cheromaniac
The '98 PCM will indeed run the '96 engine and as long as you swap engine, tranny, plus all the electronics into your 2.5 TJ, everything should work fine.
Re: 96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work
Posted: November 14th, 2021, 9:01 pm
by Brianj5600
Look into what it takes to do a 4 cylinder to 6 cylinder swap. Also there some differences in block mounting points.
Re: 96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work
Posted: November 15th, 2021, 4:49 am
by SkylinesSuck
You will at the very least need to chop the motor mounts off the frame and weld new ones on. Not sure if that's a non-starter for you. Personally, if I were going to go to that trouble, I'd probably just do a Magnum v8 swap.
Re: 96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work
Posted: November 15th, 2021, 9:49 pm
by Cheromaniac
Better still, a 392 Hemi swap or even a Hellcat engine swap.
