More than one half of e-mails we receive daily are general or specific questions about "How SynLube works" or how some specific claim about SynLube performance is possible.
While we do answer ALL those e-mails daily, we normally answer those questions with links to this web page, which then contains more links to specific Questions and Answers, FAQ, and SynLube Magic.
Typically we receive about 100 to 150 e-mails daily with various questions about SynLube™ Lube−4−Life® Lubricants.
Most likely information you seek is already explained in great detail on one or more of the following web pages.
Comparison page that sums up the unknown AMZOIL history and current recommendations for use of AMSOIL products.
AMSOIL has three different Oil Change intervals for three different "versions" of AMSOIL Motor Oils.