Thanks I've s been still searching compressiopn test
Although after reading that thread, I think I'm jsut going to put 100psi in the the cylinder and see where the ait comes out. I really don;t care how much or what pecentage, because All I want to do is acertain where/what the problem is and if it is worth the time/money.
how easy is it to replace a ring on one of these>
thanks
Steve