It all really comes down to habit. Once people get used to doing things one way — like using the word "horsepower" to refer to an engine's output — it can be exceedingly difficult to get them to ...

An engine's power output is a vital piece of knowledge, and a great marketing tool. Since the dawn of the steam engine, the power of internal combustion engines has been calculated in horsepower. It ...

Language is an imperfect medium, but it's what we've got, so let's go with it. Determining the swept volume of inventor Felix Wankel's rotary engine can generate more arguments than claiming what a GT ...

Those of us here in the United States are used to measuring various physical attributes with the imperial measurement system, which includes feet, inches, gallons, and so on. This system is still ...

One of the most overlooked areas within the valvetrain for a performance engine is pushrod length. Veteran enthusiasts may scoff at this because, back in the day, you just dropped in a set of stock ...

Zhejiang Geely Holding Group has been granted a patent for a compact assembly that accurately measures air flow in an internal combustion engine’s air intake duct. The assembly includes a housing with ...