Pushrod V-Twins had a very unique design that involved the use of four camshafts connected by meshed gears. The reason for ...

Chevrolet’s small-block V8 has outlived entire automotive trends, surviving turbo crazes, multivalve revolutions, and now the industry’s pivot to electrification. The constant through all of that has ...

Much of the Dodge's modern success can be attributed to thundering Hemi V8s under the hood of the Challenger, Charger, and other models. Likewise, much of the reason for its floundering sales today is ...

What we refer to today as the LS family of engines usually refers to the third and fourth generations of Chevrolet’s small-block V8. But to understand the relevance of these engines, and what makes ...

Overhead-valve internal-combustion engines, in which the valves are located in the cylinder head and actuated by a block-mounted camshaft via pushrods, go way back in automotive history. Production ...

General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its next generation of pushrod engines. The application, published by the U.S.

Correctly viewed, a pushrod engine's valvetrain assembly stands at the gateway of improved power. It is not a collection of components only intended to time and provide the correct valve motion.