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.
This article explains various Used Oil
Analysis (UOA) techniques from the
simplest form (Dipstick) to the more sophisticated such as detection of
Atomic Elements. The Capabilities, Limitations and Operation of the various techniques
and equipment is discussed.
This article explains the modern Used Oil
Analysis (UOA) which utilizes
Spectroscopy Principle for detection of Atomic Elements in Used Oil
samples. The Capabilities, Limitations and Operation of the Spectroscopy
Equipment is discussed.
SynLube™ Lube‑4‑Life® 
