All manufactures give a nominal piston to wall clearance that they ... resistant version of the standard cast piston. Silicon itself expands less than aluminum, because it also acts as an ...

With more rpm or stroke, the numbers get meaner, so it pays to be serious about piston selection if you're serious about reliable performance. Cast vs ... cylinder-wall clearance, the Speed ...

By Gray Baskerville 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 ...

Many of us like to talk up hypereutectic pistons, which are certainly better than cast pistons. But, it is surely the manly men out there who like bragging about having forged aluminum pistons.

In addition to the bowls, domes, and valve indents needed for clearance and to achieve ... Mogul are predicting a shift from cast aluminum to forged steel pistons. Steel is denser than aluminum ...