Keeping a combustion-engined car in shape requires some effort. Part of that is changing the motor oil and filter on a regular basis to lubricate the moving metal components and keep the engine in ...

Fresh motor oil is an internal combustion engine's best friend. It's more than just about lubrication, as the engine oil collects dirt, metal particles, and other harmful contaminants while acting as ...

Back in the 1980's there was a Valvoline ad campaign using a series of laconic drivers at the wheel of cars fully invested in their smoking death throes who used the tag line "Motor oil is motor oil." ...