Besides fuel, oil is the lifeblood of your vehicle. It keeps your engine rotating smoothly. This is accomplished by the properties of oil that allow it to lubricate moving parts and reduce heat ...

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, ...

You probably already know that your car relies on various different fluids to help it run smoothly. Two of the most well-known and recognizable of those fluids are engine oil and fuel, which, in many ...

We may receive a commission on purchases made from links. Knowing the ins and outs of your vehicle is essential for any DIY fix, and that goes tenfold for the engine and all its parts. When it comes ...

A new heavy-duty engine oil specification designed to support next-generation diesel engines is nearing completion and ...

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

We earn commissions from purchases you make using links in our articles. Learn more. Most drivers know that regular oil changes are necessary to maintain the life and performance of their vehicle. For ...

The new heavy-duty engine oil category, PC-12, is nearing the finish line. Here’s what fleet maintenance managers should know before it arrives in 2027.

My brother has a 5.0 small-block Ford in his 1949 Ford. The engine came from a police car and it was equipped with an oil cooler. We both live in Arizona and even on the hottest days his car never ...

When you think about race engine builders utilizing dry-sump oiling systems, it's only natural to consider the Nextel Cup guys or maybe the touring Dirt Late Model cars. After all, that's where the ...