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4.0 engine swap



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Old 12-27-2005, 06:56 AM   #1
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4.0 engine swap

I have an 85 cj7 with a t4 tranny. Has anyone out there put a newer 4.0 in a cj. What am i up against. Will this engine bolt directly to the t4. How big a pain is it to deal with hooking up the computer system in the swap.

Thanks for your info
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Old 12-27-2005, 07:02 AM   #2
 
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It is my understanding this is a direct bolt-in swap.
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Old 12-27-2005, 08:55 AM   #3
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I would get everything I could (engine and wiring/computer related) from the donor vehicle that I could. That is if that is what you are using. It will make it alot easier on you than running to the parts store every time you come to something that you didn't think you would need.



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Old 01-06-2006, 09:34 AM   #4
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Your bellhousing,etc will bolt right up. The "hard part" is the crank position sensor. Check our Novak's site and see how the machine the AMC bellhousing for the CPS. I am going to try to do it myself to put an SM465 behind my 4.0L. I use the same bellhousing that you are using for this swap. Advance Adapters has a kit that moves the CPS to the front on a new harmonic balancer to achieve the same thing. I'm trying to save $$ and the Novak method seems like something I can do myself. Hope I helped.
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