Federal-Mogul Corp. is commercializing a new method for machining bushingless steel pistons destined for heavy-duty diesel engines. The powertrain parts manufacturer claims its High Precision ...

Decking—Removing material from the piston top to (1) provide the proper clearance between the piston deck and cylinder head, (2) equalize the distance from the center of the pinhole to the piston deck ...

It all begins with a healthy heart, and in racing and motorsport that ticker sometimes has to produce gobs of power. But even if output is limited, you can never have too much reliability — and the ...

A piston is anything but a slug. It's asked to withstand the cylinder pressures generated by 200,000,000 power strokes (in its 100,000-mile lifetime), slide in bores with a minimal amount of ...