Automakers recommend using genuine OEM engine oil for a reason that goes far beyond branding. These oils are developed ...

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon ...

CCJ's 10 44 is brought to you by Chevron Delo, heavy duty diesel engine oil. Now there's even more reasons to choose Delo. An oil sample is only as good as the method used to pull it. You're watching ...

The oil you put in your engine matters. After all, your engine contains many moving parts that must remain lubricated to work properly. Otherwise, your engine could develop some serious wear and tear.

Everything, even the smallest of things, can affect the performance of your engine. Whether topping off your fuel tank or driving on motor oil past its expiration date, you're slowly killing your car.

Along with requirements for the kind and weight of the oil they use, vehicle engines also have a set amount of oil they need, which varies by size. I reckon we're all aware of what happens to an ...

If you own a Cummins-powered vehicle, there's only one name you'll consistently hear when it comes to engine oil: Valvoline Premium Blue. The product is the only engine oil exclusively endorsed and co ...

Add Yahoo as a preferred source to see more of our stories on Google. As engine standards change, the oil that protects them has to change too — especially for drivers buying new trucks in the next ...

Keeping up with oil changes is one of the simplest yet most crucial ways to extend your truck's life. Diesel engines, especially in hard-working semi-trucks, deal with massive loads and long hauls, so ...