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Old 04-24-2012, 09:54 AM   #1
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Engine Swap

I am wanting to take out my old 2.5 L 4 banger and put in a 4.2L inline 6 under the hood of my 88 Wrangler. Can anyone please tell me where i need to start and about how many changes that will need to be done to be able to get this swap accomplished.

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Old 04-24-2012, 01:08 PM   #2
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its alot of work.

radiator
motor
trans
mounts for both
wiring harness
maybe t-case
weld on new mounts
run wiring for 4.2 (which is like alt, a few sensors, and starter, ha ha ha)
driveshafts
exhaust


it probably won;t be hard accept for the motor mounts but i can measure where mine are so you know where to weld the new ones in. keep your fuel return system intact and your should be fine fueling a carb.
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