4.7HO swap to regular 4.7 - Jeep Garage - Jeep Forum

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Old 12-01-2015, 07:40 PM
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nick8519 is on a distinguished road
4.7HO swap to regular 4.7

My buddy has an 01 Grand Cherokee with the regular 4.7. Runs like a champ with no issues. The truck does have some pretty major front end cosmetic damage from an accident.

We found an 04 in good condition with the 4.7HO that has a locked up engine. We were thinking of putting the regular 4.7 in place of the HO.

Has anyone done this? Can anyone give some insight, pointers, possible problems with doing that switch?

I'm aware the HO has knock sensors that the regular doesn't. We would switch the ECM as well. Anything else someone can think of?

Thanks in advance!!!

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Old 12-31-2015, 11:11 PM
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Re: 4.7HO swap to regular 4.7

Put a 4.7 non HO motor in my HO Grand Cherokee, Knock sensors still can hook up. I'm not exactly sure but believe only major difference between the two motors is camshafts. Haven't had any problems with it at all.
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