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Old May 18th, 2017, 18:25
Noah_LBZ Noah_LBZ is offline
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1992 XJ motor swap

This topic may already be on here but I am not getting a for sure answer.

I have a 92 XJ sport with the 4.0 HO. (needs a motor very bad) I found one for sale (motor/tranny/transfer case) for $600 with 91k miles. That motor is out of a 90. from my understanding that is not a HO. Will it still work and be a fairly direct swap?

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Old May 19th, 2017, 17:05
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Tim_MN Tim_MN is offline
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Re: 1992 XJ motor swap

HO or not HO, boils down to some very minor internal differences. Any 1990-2001 XJ Cherokee or 1993-98 ZJ Grand Cherokee 4.0 L engine block will interchange.

Remove and re-use ( or replace with new ) as needed or required from your original engine: Intake/Exhaust manifolds, throttle body, flex plate/flywheel, cylinder head, water pump, distributor-less ignition or distributor assembly, OBD engine computer sensors, fan belt driven accessories, and/or mounting brackets.

Originally Posted by bimmerjeeper

I'm starting to realize people on the Jeep forums are highly expert mechanics .....
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Old May 25th, 2017, 06:22
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cruiser54 cruiser54 is offline
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Re: 1992 XJ motor swap

Yes, with some things to be done.

The link below is my write-up on how to go from a REnix to an HO.

Use it as a guide to do the opposite and you'll be fine.
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Old May 26th, 2017, 05:33
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themauler themauler is offline
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1992 XJ motor swap

The price is good but these things are a dime a dozen. Why put yourself through all of that work when you could just drop one in and plug it all in?

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Nick Maul,

Just want to build something that won't break on the trail
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