Here are the best synthetic oil brands, ranked. Tech. ... memorable logo — which was memorably co-opted by '90s alternative band Stone Temple Pilots — and for the blue and red race car ...

Synthetic oil was developed in 1929 and has been used in everything from daily-driver and high-performance vehicles to jets. During World War II, ...

Another red flag is if your car suddenly starts leaking oil, especially after switching to a synthetic. Synthetic oils tend to be thinner, and in older cars, this thinner oil can slip past worn ...

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

SYNTHETIC OILS. Synthetic oils also last longer which you will see for yourself when you drain the sump at your scheduled next service. Synthetic oil usually doesn’t form such a thick, black sludge ...

Quick-lube chains say 3,000 miles, auto manufacturers recommend 5,000 to 7,500 miles and synthetic oil companies, 10,000. How often do you really need to change the oil in your car?

Q: I own a 1994 GMC 3/4-ton van with a 350 engine. In the last year, the oil pressure has been low, just above the red, and the low warning indicator is on at idle. When I speed up, the pressure ...