Piston rings have small gaps that allow them to expand during engine operation. If these gaps line up, fuel and gases can escape into the crankcase, causing loss of power and increased oil consumption ...

Presumably that you want to replace the worn out piston rings of a Toyota VVTi engine, you’ll need to know how to correctly put the new ones in place. The hardest part is to reach the piston rings ...

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 ...

Piston ring grooves serve a larger purpose than simply supporting the rings. They impact combustion sealing, oil control, friction, and many more engine attributes. Wiseco is a world leader in piston ...

Lou Trottier says the problem likely involves low-friction piston rings, which increase fuel efficiency but can also be problematic in older vehicles ...