engine break in Archives

Using a high-zinc oil with a high dose of ZDDP additives helps protect classic car and hot rod engines. AMSOIL...

July 13, 2022

Break-in oil seals the piston rings to the cylinder wall for maximum power and minimum oil consumption. Here's how it...

May 26, 2020

AMSOIL Performance Testing

Laboratory tested and proven on the road.

See how AMSOIL products perform in the lab and in the field.