The company’s API-licensed oils carry the current API and ILSAC engine oil licenses, along with the GM dexos1 gasoline engine oil approval. Royal Purple’s Synthetic Oil features enhanced ...

Is your engine's dipstick indicating a low oil level, but you're not sure why? Here are the few places we would recommend you look first.

He's not wrong. Using diesel oil isn't a bad idea in older engines, it doesn't really hurt anything. In fact, in some cases it's actually beneficial. We've discussed in other posts how older ...

For anyone who has wondered, "What oil does my car take?", you've come to the right place. Considered the lifeblood of internal combustion engines (ICE ... originally as Auto Avio Costruzioni ...

Blowby — a process by which oil, combustion gasses, and unburned fuel/air mixture are pushed past an engine's piston rings and into the crankcase — is another common cause of excess oil ...