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1991 renix or H.O.?

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Old Jul 1, 2011 | 05:38 AM
  #1  
hi im adam's Avatar
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From: Muskegon, MI
Year: I've had a few...
Model: Cherokee
Engine: A secret
Default 1991 renix or H.O.?

I got a 91 wrangler engine for dirt cheap.

Now no one can give me a staight answer... What is it?

The valve cover doesn't look like my 96 or 2000, but the intake and exhuast look like my 96.

I think it was a Renix, but somewhere they threw a H.O head on it. Any ways to tell by looking at the block?
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Old Jul 1, 2011 | 01:43 PM
  #2  
hi im adam's Avatar
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From: Muskegon, MI
Year: I've had a few...
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Engine: A secret
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bump
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Old Jul 1, 2011 | 02:20 PM
  #3  
ColoradoJeepXJ's Avatar
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From: Lakewood, Colorado
Year: 1990 2dr base
Model: Cherokee
Engine: 4.0L
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Not a Renix
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Old Jul 1, 2011 | 02:58 PM
  #4  
trans_am7935's Avatar
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From: Glen Burnie, MD
Year: 1994
Model: Cherokee
Engine: 4.0 H.O. K&N, Borla headers, custom down pipe, magnaflow hi-flo cat, flowmaster to turn down tip
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the block is the same between the RENIX and the H.O. motor (except the 96, different block and pistons), just the head, intake, and headers are different. the valve cover would be plastic to instead of metal (i believe) the extra horsepower came from the head, intake and re-designed exhaust. so if it has the H.O intake on it, you are probobly good.
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Old Jul 1, 2011 | 04:54 PM
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Bustedback's Avatar
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From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
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A 91 is the first year of the Chrysler engine management system, so it's not a RENIX.
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