Quick question???? how much compression??

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06-12-2009, 01:21 PM

sk8ertht540s

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Year: 2001

Model: Cherokee

Engine: 4.0

Quick question???? how much compression??

i have a 2001 xj! Does anyone know what ball park my compression should be in???

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06-12-2009, 01:22 PM

a1racer

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Year: 2000

Model: Cherokee

Engine: 4.0

hot or cold. for a good reading it should be warmed up first

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06-12-2009, 03:30 PM

JeepingDan

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Year: 88

Engine: 4.0 HO

Mines around 125 psi

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06-13-2009, 12:26 PM

98 JeepJeep

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Year: 1998

Model: Cherokee

Engine: 4.0

above 100psi would be considered "good" but the most important thing is that all the numbers are 10-15% of each other.

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