The best synthetic oils offer more mileage ... reputation with high-performance vehicle owners. The company’s API-licensed oils carry the current API and ILSAC engine oil licenses, along ...

There are caveats to consider before upgrading to high-mileage engine oils, but if done right, the positives outweigh the ...

While not as popular as other brands outside the U.S., Amsoil synthetic motor oil products cater ... synthetic blends, high mileage, heavy duty, small engine, and performance motor oils.

One of the best things about modern cars is just ... aside from regular maintenance, is high-mileage engine oil. What exactly ...