Tribology, this strange word is the study of friction, wear and lubrication. You also might be wondering what Tribology has to do with piston rings? Beside the fact that piston rings operate on a thin film of oil, there’s quite a bit of tribology related to piston rings. Let me explain. The highest source of friction in an engine comes from the contact between the cylinder wall and the piston….READ THE ENTIRE ARTICLE…CLICK THE MAGAZINE LINK HERE TODAY!
OCTOBER 2026 UNLEASHED!
The October 2026 issue of RPM Magazine is loaded with serious street and strip horsepower, from old-school muscle to modern...
































































