Recommended valve-to-piston clearance is generally 0.080-inch minimum on the intake side and 0.100-inch minimum for the exhaust valve. The exhaust needs a little more clearance because it expands ...

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A simple slide valve is used, allowing steam to flow to one side of the piston and the other alternately, as driven by an arm coming off the flywheel attached to the engine’s output shaft.

As engine speeds rise, a piston inside the rockers is pressurized with oil, locking all three cams together to increase valve lift. This is where that signature "VTEC kicking in" sound comes from.

True V-8 engine performance comes from ensuring airflow flow in, out, and through the combustion chamber is the best it can ...

A 2618 aluminum alloy has a higher overall strength and can ultimately take a bit more abuse than 4032 alloys. A 2618 piston is ideal for forced-induction engines that experience higher ...

PH Origins: The sleeve-valve engine How the quest for silence paved the way for some of the world's most powerful piston engines By Lewis Kingston / Monday 17 December 2018 / Loading comments ...