What You Need To Know About API SN PLUS

Learn everything you need to know about the American Petroleum Institute’s (API) new motor oil specification, SN PLUS, developed for turbocharged engines coming to market May 2018.

What Is Motor Oil?

Find out what modern engine oil additives are, how engine oil works, and how it provides protection over a wide temperature range.

Types of Motor Oil and Recommended Use

Learn about motor oil, its recommended use, how it works, and what the grades mean with this motor oil guide.

What Makes Synthetic Oil Better?

Find out how switching to synthetic oil that cleans is so important, and how we debunk the most common synthetic oil myths.

Changing Your Own Oil

Learn how to change your oil in simple step-by-step instructions. Roll up your sleeves and read our handy DIY tips for changing your own oil.