Engineers have a lot to think about when designing new engines, and one of the biggest considerations is the shape of the ...

Just about every piston engine is defined by two basic measurements: bore and stroke. Bore is the diameter of the cylinder. Stroke is the distance the piston travels from bottom dead center to top ...

Pistons are an engine-building element we like to brag about, but you won't catch many of us boasting about having cast pistons. Cast pistons are for wimps. Many of us like to talk up hypereutectic ...

When Honda unveiled the Integra Type R in 1997, the company said the engine made more naturally aspirated horsepower per liter than anything else built on an assembly line. It said the 1.8-liter ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...