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Old 08-11-2006, 03:32 PM
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kwick is on a distinguished road
Engine Rebuild

OK so my son and I have decided to rebuild his motor, and put a 4.0L HO head on it until we can afford the MPI kit. Cannot afford the whole thing at once so we are going to do one thing at a time.

What 4.0 liters have the HO head, I know the 1991 to present wranglers, but what other Jeeps will work? I also know some cherokees have the head, but do not know what years the HO was available.

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Old 08-13-2006, 01:23 PM   #2
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The HO years started in '91 and anything newer is HO. This is an excellent site for what you want to do. Good luck

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