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. Apparently this oil is being replaced with a new formulation, API CK-4 and CK-4/SN (SN means the oil meets current year API standards). And just
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 lubrication specialist Lake Speed Jr. Speed wants to teach you the real science of lubrication. “Forget about marketing hype and what your granddaddy told you,”
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 specification removed the valvetrain wear test (ASTM-IIIG) used on all previous diesel specifications, like the CJ-4 diesel oil spec. Ford 6.7-liter owners should continue to
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 you. Scott from Driven Racing Oil spent time with our friends at Summit Racing answering frequently asked questions about various oil types and how to
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 exactly your friend. Ethanol blends can corrode your carburetor, fuel tank, and other fuel system components and damage engine seals and O-rings, according to industry experts. And
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 to find a better source than Driven Racing Oil. Formulated by the engine gurus at Joe Gibbs Racing, Driven Racing Oil motor oil and break-in oil have protected
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 the specialists at Driven Racing Oil break it down. Should you use a 15W50? A 10W30? A 0W20? Watch this video and learn how to
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