First, get a good compression gauge. Then, stop skipping steps and do the whole series of tests that have been accepted for a century or more. Jumping to conclusions with inadequate information is a recipie for disaster.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!