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 ...

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 ...

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.

In Final Eliminations at the 2013 AMSOIL Engine Masters Challenge, we had a battle of just two engine types: the Ford Cobra four-valves, which dominated the qualifying session, and the Chevrolet LS ...

The term “small block” engine is getting a workout, as the genre that debuted with the 265-cubic-inch (4.3-liter) lightweight Chevrolet small block V8 in 1955 is growing to 409 cu. in. (6.7 liters) ...