The Knucklehead, Panhead, and Shovelhead are all important parts of Harley-Davidson history, each preceding the one before it ...

This commonplace car feature was first introduced on a production model by an American brand with a long history.

For all its high-tech functions and the modern digital tools used to create it, there is something comforting about the use ...

Turbochargers were once purely for the racetrack, but the Hurricane 4 pushes the tech to the limit in a high-horsepower, ...

Modern performance-first automotive ethos largely prioritizes horsepower. Besides there being no new 2026 model-year cars available with under 100 horsepower, contemporary combustion engineering and ...

Thomas has spent two years working in the auto journalism industry, contributing to a UK-based newspaper and writing for Euronewsweek. A full-time writer and lifelong engineering enthusiast, he now ...

Buying a used car can go one of two ways. Either you end up with a solid, reliable vehicle for thousands less than a new one would cost — or you end up with a rolling money pit that starts throwing ...

Explore the 4-valve revolution that maximized cylinder head airflow and set a high-revving benchmark that engine builders ...

Nine Chevrolet cars have reached or exceeded IndyCar's allowed engine usage as the engine manufacturer works through a bad ...

Pneumatic valve selection is often treated as a component-sizing exercise, with datasheet-based specifications. Once pressure ...