There's a lot of information on the packaging for your engine's motor oil, but the S designation may be one of the most ...

That means real four-cycle operation with spark ignition and fully-functional valve trains, oil pumps, water pumps and fuel pumps. These beautiful 1/4-scale engines are the creation of aptly-named ...

A recently recognized phenomenon has been termed low-speed pre-ignition (LSPI), also known as super-knock or super-knocking. The official response from the industry (mainly oil and additive ...