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low compression on all cylinders

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vickiluver • atlanta, GA, USA • Registered on 7/25/2011 • 2 posts	Posted:7/25/2011 11:50 I have a 91 Crown Vicotoria with a 5.0 litre engine. I did a compression test on it and all cylinders were reading between 80 and 90 psi. Are the heads gone or the block???
jwar1127 • lauderhill, FL, USA • Registered on 5/28/2009 • 47 posts • 1 Vehicle	Posted:7/25/2011 15:35 when you do the compression test you should do it dry and wet . add a little oil through the spark plug hole to seal the rings and see if the compression changes.If it changes then you could have wore rings.If it dosnt you can do a cylinder leak down test to check the valves.

Forums > SuperMotors Community Discussion > Engine and Drivetrain

low compression on all cylinders

Thread Statistics:     Users to Post: 2   |   Total Posts: 2   |   Total Views: 1133

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