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Showing results for tags '4.0 swap'.
I bought a 2000 Jeep tj motor for my 92 comanche that I bought with a blown motor thinking it would bolt right in.. it didn’t so here’s what I had to do to make it work. It started out I took off the coil packs and bolted in my distributor and timed it.. the alternator, water pump and fan bracket all line but some holes are blind and need to be drilled and tapped. I decided to mount the alternator where the a/c was since the motor I bought didn’t have it. I bolted on intake and exhaust and had my flywheel turned down at work I heard after the fact your not suppose to but it seems to work. I bo
I haven't started a build thread here yet, but I figured now is as good a time as any. My MJ started its life out as typical base model Comanche Custom with the 2.5L TBI, AX4, NP207. It is now undergoing some major surgery as I am taking on the infamous 4.0L swap. When it's all said and done, it will have a Renix 4.0 from a '90 XJ, an external slaved AX15 from a '96 XJ and either a NP231 or NP242. I have a build thread over on CherokeeForum ('86 Comanche DD) and I will continue to update it there, but as of right now, this thread will start where that one left off. Also, to aid fellow mem
I know, I know... this topic has been beat to death so much that a well trained mortician can't bring it back from ruins. Anyway... I'm not sure why so many people have told me that swapping in a 4.0 into my '86 MJ will require massaging the firewall with a BFH. The only problem I've seen is 4.0 radiator fitment and the hood latch is going to have to be changed. From everything else I can tell, the length front to back and side to side are near identical to that of my '88 XJ with a 4.0. So, what gives? Can someone shed some more light on this for me? Perhaps I'm missing something? M