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Old 08-12-2014, 06:21 AM
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AdamJay1979 AdamJay1979 is offline
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Join Date: Jun 15, 2010
Location: Greencastle, Indiana
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Engine swap vs. fuel injection

Have been considering fuel injecting my I6 258... a buddy suggested this week just putting a different modern engine in instead... intriguing as the parts are $1300 for the injection and a decent engine is in the same ball park... thoughts, doubts, concerns???? words of wisdom or warning?????
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1979 Cherokee Chief I6 4.2L 258
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Old 08-12-2014, 10:28 AM
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Carnuck Carnuck is offline
 
Join Date: Feb 12, 2011
Location: Gold Bar, WA
Posts: 6,355
Get a 4.0L with the underhood EFI wiring ('91 to '95 XJ or YJ) and AW4 for auto (not 42RE which is a turd) or AX15 for std. I like the NP242 tcase which is like the NP229, but no viscous coupler. That way there is no $350 motor mount adapters (use the 4.0L ones) and you swap in Hydroboost to clear the intake (improving brakes at the same time)
You will need to make a trans crossbar, but you would have to do that anyways with a conversion.

PS: My EFI was $200 for all the parts from the junkyard locally. 4.0L core for the head/intake/injectors, wiring harness (auto controller was under the dash) I also got a '91 XJ for parts for $500 to get the parts for my Eagle wagon.
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