Piston rings are the seals in your cylinders, giving you better compression and power, but what happens if they wear or break ...

But when done right, piston rings can create a power advantage by maximizing dynamic engine compression while still maintaining good oil control. This involves both proper selection for the intended ...

What makes piston ring selection and ring endgap so important to engine life and power? What's more, what makes that first engine firing so critical to proper break-in and longevity? Those first few ...

Vehicles affected by service bulletin: The problem: The piston rings in certain cylinders may rotate and align, leading to engine oil consumption and spark plug fouling. See More Service Bulletins ...

It's all about piston rings. This video serves as a great primer on what's going on with piston rings as they move along with the piston in an engine. The basic duty of the rings is to keep the ...

The problem: Piston rings may rotate and align in certain Honda cars. If this happens, uncontrolled oil burning may occur inside the engine, causing it to misfire. This may be due to faulty piston ...

When building an engine, it's understandable how the sight of all those parts laid across the workbench can be a bit intimidating to most novice engine builders. After having the block freshly ...

Evan Williams is an automotive journalist and mechanical engineering technologist with more than a decade of experience in the industry. He has written for the Toronto Star and AutoTrader Canada and ...