Driven Racing Oil

I’ve read engine builds where the builder swears by coated engine bearings and then other guys will say that they are just a way to spend more money and they […]

Drag racing engines have different oil demands than, say, the engine in your daily driver. And though we’re pretty sure you just shouted “WELL, DUH!” at your screen, we figured […]

In the name of fuel efficiency, many auto manufacturers have gone to a direct injection engine design. That means the fuel injector nozzle is inside the combustion chamber, spraying fuel […]

Some engine builders like to use API CJ-4 diesel motor oil as a break-in lubricant for new engines. That’s because it contains plenty of zinc (ZDDP) to protect flat-tappet camshafts. […]

Opinions vary on many facets of motor oil. On what is good, bad, true, or false. Lost in all those opinions, are scientific data-backed facts, says tribologist and Driven Racing Oil’s […]

The new CK-4 diesel oil specification prompted Ford Motor Co. to issue a technical service bulletin warning Ford owners not to use it in their 6.7-liter diesel engines. The CK-4 diesel […]

If you’re interested in learning more about how motor oil really works and how to maximize the performance and longevity of your engine parts, then this video is probably for […]

The U.S. Environmental Protection Agency seems to love its ethanol. Farmers love it, too. But if you’re a hot rodder–particularly a hot rodder with a carbureted or older-style fuel system–ethanol isn’t […]

The guys on Discovery Channel’s Mythbusters have exposed some pretty incredible myths. But when it comes to debunking some of the most common motor oil myths, you’d be hard pressed […]

What’s the most-important property of a lubricant? Viscosity. Learn the difference between viscosity grade and viscosity index. Learn what all of those viscosity numbers and letters mean by listening to […]