Join Date: Jun 2000
Location: Tualatin, Oregon, United States of America, North America, Earth, Milkyway Galaxy, Universe...
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Re: swapping 258 for 4.0 (242) questions
Cherokee's are the only Jeeps that had the 4.0 in the late 80's. It used the Renix system, which I believe is TBI, not MPI, but I'm not sure.