| Go back to previous topic | | Forum name | Performance/Engine | | Topic subject | Help Reading Compression Test Results | | Topic URL | https://forums.2gnt.com/dcboard.php?az=show_topic&forum=i5&topic_id=134050 |
134050, Help Reading Compression Test Results Posted by 99ozdsm, May-03-11 05:47 PM
As the title reads. I did both dry and wet tests and got these numbers starting from cylinder 1, near the timing belt to cylinder 4 towards the battery. Also, take note that these numbers are from a fairly warm engine, about 15 20 mins shut off so the results are not from operating temperatures.
Dry C1-150 C2-165 C3-195 C4-180
Wet C1-180 C2-210 C3-230 C4-205
Correct me if I'm wrong but the increased wet test results mean I have a worn or damaged ring or cylinder wall? Any and all advice is greatly appreciated.
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134051, RE: Help Reading Compression Test Results Posted by CODE4, May-03-11 06:52 PM
That is fine, warm test is good.
And you are correct, you likely have some compression leakage from worn rings.
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134059, RE: Help Reading Compression Test Results Posted by 420agreenvilleSC, May-04-11 09:21 AM
agreed. either that or your cylinders have become slightly egg-shaped, depending on how much power the engine has seen
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