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compression test results

 
Old 10-31-2007, 05:23 PM
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Default compression test results

Just got done testing a warmed up engine, here are the numbers i got

119
119
115
125

But when i pulled the 4th cylinder plug there was oil on the plug. gasket? problem....?
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Old 10-31-2007, 05:49 PM
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rings.


but do it all over again with the gas pedal on the floor.


unplug the coils and injectors.
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Old 11-01-2007, 12:39 AM
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i did it with the gas pedal to the floor and the injectors unplugged and the igniter unplugged
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Old 11-01-2007, 12:41 AM
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so would you say the rings are to bad?????
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Old 11-01-2007, 01:03 AM
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compression looks pretty low overall to me. Either an inaccurate gauge or fairly even wear on the rings.
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Old 11-01-2007, 01:16 AM
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its like a brand new gauge and it doesnt burn oil or anything? and what will it hur t to not fix them yet? and what should the numbers be with 132,000 mile engine??????
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Old 11-01-2007, 01:19 AM
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also im gonna guess that its alot of labor to have new rings! anybody know how many hours estimated?
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Old 11-01-2007, 07:42 AM
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Originally Posted by turbobluemiata View Post
also im gonna guess that its alot of labor to have new rings! anybody know how many hours estimated?
Yeah, I'd like to know just what's involved with replacing the rings
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Old 11-01-2007, 08:01 AM
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Could just be an innacurate gauge
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Old 11-01-2007, 08:44 AM
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Unless your motor puts out 60rwhp, I'd think test was done incorrectly. It's well below typical compression numbers.


the reason I suggest rings on #4, if from the oil on the spark plug and the higher compression number.
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