Annual Oil Changes with AMSOIL Extended-Life Motor Oil
AMSOIL Extended-Life Motor Oil provides enhanced protection and convenience.
ILSAC GF-6, API SP & dexos: Making Sense of Motor Oil Specifications
AMSOIL synthetic motor oils meet or exceed the latest performance specifications.
LSPI is Still Causing Problems
Automaker data from the field suggests that Low-speed pre-ignition (LSPI) is still a problem. A LSPI test for used motor...
What is the Best Motor Oil for LSPI?
AMSOIL synthetic motor oils achieved 100% protection against LSPI in industry-standard testing.
Why Does My Engine Knock? 3 Possible Explanations.
Do you hear an engine knocking sound when you hit the gas? It could be due to pre-ignition or detonation....
What’s New about Reformulated OE Synthetic Motor Oil?
First Signature Series Synthetic Motor Oil, then Extended-Life Synthetic Motor Oil. Now, OE Synthetic Motor Oil is our latest oil...
