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Showing results for tags '2.5 to 4.0 swap'.
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
Ok guys, let me start off by saying that I'm swapping from a 2.5L/AX4/NP207 to a 4.0L/AX15 (external slave)/NP231 or NP242 (not sure which yet). Past few nights, I've been working on tearing out the 2.5 in my '86. I have a '90 XJ with AW4 as my donor. However, lets forget about it being an '86 for a second because I have a few general questions about the 2.5 to 4.0 swap that I haven't quite been able to find in the vastness that is the interwebz... Here goes (they'll be more as issues arise): On the AX4/5 equipped MJs, the end of the exhaust downpipe, where it stops just behind the tran