The next-gen heavy-duty engine oil standard (PC-12) has been formally approved, announced the American Petroleum Institute, which also introduced the new CL-4 and FB-4 “donut” certification marks ...

The 3,000-mile oil change interval originated in the 1960s for engines and oils that no longer exist in modern vehicles. Full-synthetic motor oil can allow intervals of 7,500 to 15,000 miles depending ...

The replacement of the Hemi 5.7L V8 as Ram’s top engine remains one of the most controversial decisions in recent Ram truck ...

It’s an advanced, next-generation engine oil standard focusing on ultra-low viscosity oils for modern engines. When purchasing oil, look for the API Service Symbol "Donut" on the label, which is an ...

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 ...

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 ...