The 4-H Small Engine project creates the education and hands-on opportunity for youth to learn all about engines. In this project youth will identify and discover the function of different engine ...

We love ourselves a good oddball engine, and tiny, scrappy Mazda certainly must be responsible for more such engine concept patents per market-capitalization dollar than any other. We just discovered ...

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

You've probably heard of two- and four-stroke engines, but what are the four strokes of a gasoline engine? And how do they ...