highoutput
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#9
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Join Date: Jun 2009
Location: Rochester, MIchigan
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Year: 1991
Model: Cherokee
Engine: 4.0
1991 4.0 was rated at 177hp. The 1992 4.0 hp was upped to 190 and the engine was given the HO designation. A Jeep engineer told me it had mostly to do with the camshaft.
#14
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Join Date: Mar 2009
Location: Visalia, Kalifornia, ussa
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Year: 1996
Model: Cherokee
Engine: 4.0
PO stuck a 4.0 HO emblem on the hatch. If you have 86 I6 you have renix 4.0, with a HO emblem on the back. I know a guy with a Hemi emblem on his BUG.