http://www.SyntheticOilEvolution.com Extended oil change drain intervals of up to 30,000 miles has been available since 1972. Amsoil will increase fuel mileage and that increase will offset the cost.
http://www.SyntheticOilEvolution.com Learn how to save money by using Synthetic motor OilvsConventional crude refined motor oil Regular oil breaks down very fast Synthetic Oil lasts up to 30,000 miles
http://www.SyntheticOilEvolution.com Video explaining the benefits of extended drain intervals for your automobile engines along with a link for 20 additional videos showing benefits of synthetic oil
