Compression Test, Typical PSI?? - HondaCivicForum.com


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Old 08-16-2008, 08:26 PM
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Default Compression Test, Typical PSI??

Just wondering what is a new motor, and an average 100,000-150,000 mile motor have on a compression test? I just did mine and they were 151 149 150 150
It is a d16z6
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Old 08-16-2008, 08:33 PM
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dont have the specs in front of me, but i think that 170ish is normal for newer honda engines... not completely sure, but i know its close...

does your car have 100-150k miles? if so, thats pretty good that all 4 cyls are that close together..
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Old 08-16-2008, 11:14 PM
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That sounds about as good as it gets. Most important thing is the percentage difference between the individual cylinders. Mine is significantly lower cause of my 7.5:1 or so compression, but the deviation between the cylinders in my new motor are comparable to yours.
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Last edited by arust45; 09-10-2011 at 02:57 AM.
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Old 08-17-2008, 05:57 PM
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I just flipped 135,000. When I tested it and seen how close they were, I had a feeling that it was a good thing. Thanks for the info. I have looked all over and never could find a straight answer.
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Old 08-20-2008, 04:31 AM
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My 00 SOHC Civic was hitting 190 psi on cylinders 1, 2 & 4 - 3 had 0... from a cracked exhaust valve... BUT the good news is that sounds normal, especially since they are all the same! Very good sign!

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