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 ...

Pushrod engines may not be as popular as they used to be, but to paraphrase the old Mark Twain misquote, "The reports of its death are greatly exaggerated." In fact, GM recently announced it was ...

The Evolution Big Twin-engined motorcycles like Fat Boys and Road Kings spent 18 years using a single four-lobed camshaft, while the Sportster's Evolution motor — and its ancestors like the K-model ...

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 ...

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.

Ford announced the 7.3-liter, gas-fired, naturally aspirated, pushrod V8 Godzilla engine to its friends and associates way back in February of 2019. At first it was just a truck engine, a big ol' V8 ...

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.