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Whats good compression?

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Old 11-12-2009, 11:58 AM
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Whats good compression?
Im looking to buy a used 2001 3.4L engine with 90k on it.. Its compression is 150 on all 6 cylinders.. Is that good? Thanks
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Old 11-12-2009, 12:15 PM
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If its consistent on all cylinders i would say that is good.. I think when i did my comp test on my 3.4 it was also near 150psi.
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Old 11-12-2009, 12:26 PM
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http://www.ncttora.com/fsm/2003/Repa...compr/insp.pdf
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Old 11-12-2009, 12:26 PM
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great... thanks
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Old 11-12-2009, 02:04 PM
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Yea thats good buy it.
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Old 11-14-2009, 03:23 PM
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My Haynes says, @ 250 rpm 218 is standard and 145 is minimum.
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