Author Topic: compression results....im confused  (Read 2626 times)

91318radmobile

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compression results....im confused
« on: August 05, 2010, 04:05:15 PM »
every cylinder was really low but they were all the same....130
what could this indicate???? head gasket???? any input would be appreciated. thank you i did this because its overheating and the cooling system if all new except for the radiator and fan clutch, which i know works just fine
« Last Edit: August 05, 2010, 04:36:19 PM by 91318radmobile »

jscribble

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compression results....im confused
« Reply #1 on: August 05, 2010, 08:25:37 PM »
Leakdown test on all cylinders would tell you if your rings are smoked. 130 is only a few lbs under spec iirc. Still, low compression = sad motor.
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91318radmobile

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compression results....im confused
« Reply #2 on: August 06, 2010, 12:31:26 AM »
thanks thats the next sep

KenC

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compression results....im confused
« Reply #3 on: August 06, 2010, 08:56:30 AM »
I'm surprised it runs at 130. You should be up around 200.

91318radmobile

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compression results....im confused
« Reply #4 on: August 06, 2010, 09:19:47 AM »
its running great, im pretty sure i did it right, warmed it up and opened the throttle all the way

91318radmobile

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compression results....im confused
« Reply #5 on: August 10, 2010, 08:47:46 AM »
head was warped, got it machined, but do i need to do the timing cover too?