Old Apr 16, 2013 | 11:10 PM
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rsguy
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Joined: Jun 2006
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From: birmingham
Default need some help regarding compression readings

need some help regarding compression readings.

my engine compression rate ( cr ) of my engine is 7.4:1 im not sure what compression psi readings i should get getting with that rate. can anyone tell me what psi readings i should be getting please. and if my test psi readings look ok.

i done a compression test today and got these readings .

dry test

cylinder 1 - 130 psi
cylinder 2 - 130 psi
cylinder 3 - 130 psi
cylinder 4 - 130 psi

wet test

cylinder 1 - 140 psi
cylinder 2 - 135 psi
cylinder 3 - 130 psi
cylinder 4 - 135 psi


thanks

Last edited by rsguy; Apr 17, 2013 at 10:46 AM.
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