Castrol's name is a contraction of "castor oil," as its founders found that adding a measure of the popular laxative to regular motor oil assisted engines in cold starts and when operating at high ...

The automotive world is constantly evolving, and so is the motor oil that keeps our engines alive and running smoothly. The newly introduced ILSAC GF-7 specification is set to replace GF-6 as the ...

Castrol's focus — at least in its marketing — is on making a motor oil that's designed primarily to fight the buildup of sludge in an engine. To that end, its GTX Full Synthetic is reportedly ...

You bring your car to the auto repair shop and they slap a sticker on the windshield: change your oil again in 3,000 miles or three months. You probably knew that the 3,000-mile interval was ...

If it's a darker coffee color or black, it's time for an oil change, and if you see a milky color that means coolant is leaking into the engine. Speaking of which... You only have to check this ...