What we refer to today as the LS family of engines usually refers to the third and fourth generations of Chevrolet’s ...

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 ...

Volvo once created an engine known as the redblock. Its production didn't continue into the 2000s, but it's still regarded as ...

Engine builders explain how camshaft specs relate to horsepower targets, airflow, and rpm in LS, Coyote, Hemi, and ...

Less than 70k miles in, a Ford Godzilla V8 shows rust, scored bores, and a ruined cam, highlighting known issues with the modern pushrod design. Yet reports of spark plug and lifter failures have ...

An engine builder ranks the classic 5.0-liter Ford Racing letter cams. His top choice helped create an 11-second Fox combo.

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.