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Best Head...

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Old Sep 9, 2014 | 08:33 AM
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Trey
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From: TX
Year: 1993 RHD
Model: Cherokee
Engine: 4.0 HO
Default Best Head...
What is the best head design for the 242 4L. I am going to do an engine build and would like to use the best flowing most efficient design for a stock configured motor. (1993 Cherokee)
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Old Sep 9, 2014 | 08:42 AM
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XJwonders
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From: west chester, pa
Year: 1999
Engine: 4.0
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7120 or 0630


EDIT: ah since yours is a 93, the 7120 came stock on those years and it's one of desirable heads.
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Old Sep 9, 2014 | 10:11 AM
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Year: 1993 RHD
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any preference between the 2? Mine has the 7120 if I end up with a 0630 are there any issues with it mating up to the intake or exhaust manifold?
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Old Sep 9, 2014 | 10:12 AM
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XJwonders
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Shouldn't be no issues. Only difference if I remember correctly is that the 7120 head got a hole already tapped on the rear of the head for temperature sensor
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