Originally Posted by
blis
As I said I could be wrong and many prove that it works. To answer you, what I mean is an engine loses compression because the piston and liner wear away. Once that material is gone, it's gone!
Actually, I think you "are" wrong. The purpose of pinching the sleeve is to re-gain compression/tighten the sleeve as if is new, or better, to start the process of "fresh motor" over. Thanks for your comment though.