Piston rings are an essential part of modern vehicles, but modern brands have moved to using low-tension versions of them for ...

Engine building is technically a science, but the truth is that there is just as much art as there is science. Where most might think that the “art” part of engine building is in the design and ...

The folks at TRW have come up with a revolutionary idea for reducing the piston ring drag of the top compression ring. It is called the Pressure Balance Ring (PBR). Essentially, the PBR design amounts ...

There's no need to sugarcoat what bad piston rings can do to your engine. Those rather thin cast-iron or steel rings may look small and irrelevant to untrained eyes, but they play a vital part in ...

Here you can see basic piston terminology, including major and minor thrust locations. Of particular note is the fact that piston pin offset can be used to counteract combustion pressures on the ...