How Does Engine Oil Protect Your Engine? How Does It Work? How Do Engine Lubrication Systems Work - Sponsored By Pennzoil Engine oil is used for several purposes: to reduce friction in your engine, ...

The engine oil coursing through your car is so much more than just a lubricant for its moving parts. Engine oil protects the components under the hood, helps dissipate heat, and works to keep your ...

A mechanic cracked open a neglected engine and what he found was brutal.

Sticking to routine oil changes can definitely improve engine horsepower. However, we're not talking about a magic formula that turns your Corolla into a barrel-chested Dodge Viper V10. Changing the ...