Ask any serious engine builder what makes a good engine a great one, and the answer likely will be "sealing." While the average guy thinks of sealing as either what kind of valve cover gaskets to use ...

Repeated cycles of searing combustion heat alternating with cool incoming air and fuel, extreme load reversal, thrust forces that slam the pistons into the cylinder wallsits quite amazing that ...

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 ...

Pistons reciprocate inside the cylinders of an internal combustion engine. The outer diameter of the piston is slightly smaller than that of the cylinder liner, enabling it to move up and down with ...

GM was handed down a $102.6 million verdict in a class action trial on Tuesday, which was brought against the company over defective piston rings. A federal jury heard the case and took two days to ...