An overhead valve engine, abbreviated (OHV) and sometimes called a pushrod engine, is a piston engine whose valves are located in the cylinder head above the combustion chamber.

Feb 2, 2024 · Pushrods transfer energy from the camshaft to actuate the valves of the cylinder. The advantages of a pushrod engine include compact size, lighter weight, reduced complexity, …

A pushrod is a component used in certain internal combustion engines to transfer the motion required to open and close the intake and exhaust valves. It is essentially a slender metal rod …

Jun 28, 2025 · In a pushrod engine, the camshaft is in the engine block itself while the valves are some distance away in the cylinder heads. Pushrods and rocker arms come into play to …

Feb 5, 2025 · Pushrod Engines (also called OHV – Overhead Valve engines) have a camshaft located inside the engine block. The cam lobes push lifters, which move pushrods that rock …

Apr 25, 2025 · A pushrod engine, commonly referred to as an overhead valve (OHV) engine, operates using pushrods to actuate its valves.

Sep 9, 2024 · The pushrod engine, also known as the overhead valve (OHV) engine, is a classic internal combustion engine configuration that has been widely used in automobiles for decades.

Pushrod engines benefit from all that torque down low in the RPM band with easy driving manners. Accelerating away from a stop light or cruising on the highway takes minimal revs, …

Jul 31, 2024 · These three pushrod variables need to be balanced with the engine’s desired RPM, valve spring pressure, cam lift, and cylinder pressure. Consideration of each of those variables …

Jan 13, 2022 · Veteran engine builder Wayne Scraba gives you a detailed look at the role of the pushrod & how to pick the best ones for your engine.