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 XL Synthetic Motor Oil. Now, OE Synthetic Motor Oil is our latest oil...
Reformulated XL Motor Oil: Stronger for Longer
So, what’s new about reformulated XL Synthetic Motor Oil? In essence, XL protects better for longer, yet costs the same...
