While not as popular as other brands outside the U.S., Amsoil synthetic motor oil products cater to the automotive, power sports, industrial, and racing sectors. Since Amsoil motor oil is less ...

Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

Everyone knows that regular oil changes are important for an engine's longevity. But what does motor oil do, and does getting ...

Over the past 40-plus years, I have changed the oil in more engines than I can begin to count. If you're about to change the ...

One of the best things about modern cars is just how ... aside from regular maintenance, is high-mileage engine oil. What exactly is high-mileage oil and when should you use it?