Synthetic oil derives its characteristics from its refinement process. A fully synthetic oil uses no petroleum-based additives, instead deriving its manufacturing through alternative processes ...

Modern synthetic oils last an incredibly long time. Thanks to all the detergents, additives, and other concoctions in them, these oils might be good for anywhere from 7,500 miles to 15,000 miles.

Synthetic motor oil has been around for longer than you might expect, but most classic cars were designed to run with standard motor oil. Can you use either?

Modern synthetic oils like Mobil 1 Advanced are made in a way that they work with older engines without leaking. While original classic car engines will run just fine on conventional oil, you'll ...