Single overhead cam engines use one camshaft to control valve timing, whereas dual overhead cam engines use two, allowing for ...

The engine from a Ford E-450 failed after the driver allegedly skipped proper oil service, showing how neglect can kill an ...

One of the most highly-strung engines to ever go into a production car, Honda’s F20C redefined high-revving ...

While engine performance across manufacturers has largely been balanced in recent years, the 2026 changes could deliver significant, potentially decisive gains. In 2014, when F1 first introduced ...

A thermostat is an essential component of an automotive engine cooling system. While most cars have one, some have two ...

The 2026 edition was a truly special one for the brand. The trucks, powered by the iconic CURSOR 13 engine, set the pace from the very first stages of the rally, dune after dune, dominating the ...

The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...

GM has filed a patent application for a two-stroke engine valve system. The patent application is tagged with patent number US 2025/0354528 A1 and was filed with the United States Patent and Trademark ...

Valve’s return to living-room PC hardware with the new Steam Machine has stirred up a fresh round of debate, mostly around its claimed performance level. According to Valve, the compact system lands ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Valve jobs are one of the more expensive repairs an engine can face. When valves and valve seats wear out, compression drops, performance suffers, and the repair involves significant labor and cost.