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 ...

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

In a conventional application, there are three rings per piston. The top ring is called the compression ring. Its purpose is to seal the combustion gas pressure, transfer heat from the piston to the ...

CARS.COM — Vehicles affected by service bulletin: The problem: Under certain operating conditions, the engine in certain Accords may develop deposits on the piston’s oil control rings, which may lead ...

SOUTHFIELD, Mich. (June 15, 2011) — An oil control ring made by Federal-Mogul Corp. that helps improve vehicle fuel economy was named a 2011 Automotive News PACE Environmental Award winner on June 14 ...

SAE International Journal of Engines, Vol. 9, No. 3 (September 2016), pp. 1807-1824 (18 pages) ABSTRACT The oil control ring (OCR) controls the supply of lubricating oil to the top two rings of the ...