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 ...

According to Luke Wilson at 4 Piston Racing, the engine exhibits valve float at only 7,300rpm—low for a Honda. "The turbo does have more left in it," said Wilson.

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 ...