Hey . .i've been reading all of these compression threads and i can't find any numbers that refer to the LS engines. I have a 95 integra LS what should the stock compression readings be? I know its 9.2:1 but how do i figure out what PSI that equals? Thanks

 

Factory spec for compression test results is 185 psi across all 4 cylinders, minimum is 135. Maximum variation should be 28 psi.

 

How do you go about doing a compression test. I tried to do it today, took all the spark plugs out, screwed in the tube in the spot where the spark plug goes, then hooked up the gauge, but then only cranked the motor one time. So the key was turned for probably about a half a second to a second, and the PSI for each cyliner read 70 to 75 psi on all 4 cylinders. From reading the numbers you posted I don't think I did it right? Am I doing something wrong, what is the proper way to do this?

After I figure out the psi, how will I figure out the ratio?