As Americans keep their cars for longer, Kentucky-based Valvoline says one of its synthetic oil products can turn back time ...

Engines with larger bores and shorter strokes generally have higher horsepower, while engines in the opposite configuration ...

Desmodromic valvetrains are so rare in engines because they're complex, expensive, and create lots of noise, making them ...

You use a spark plug thread chaser when you need to carefully clean out the cylinder head's threads before you install fresh ...

The manual V6 Honda Accord sedan is incredibly rare, with production estimated at just 3,000-7,000 units and only one currently for sale.

At the end of the day, an internal combustion engine is just an air pump. Proper airflow in and out of the engine is thus critical to efficiency and power. The valves atop (sometimes on the side) of ...

The new twin-cylinder platform that could eventually replace the existing 390 platform. The KTM RC range is due for a major update in 2027, and it might feature a twin-cylinder engine. Manik Nangia, ...