P.i. Archives - AMSOIL Blog

As the data show, AMSOIL P.i.® is a potent fuel-injector cleaner that works after one tank of fuel.

April 13, 2022

Engine detonation refers to spontaneous combustion of the remaining fuel/air mixture in the chamber after normal spark-initiated combustion.

July 21, 2021

What's the difference between AMSOIL P.i. Performance Improver and AMSOIL Upper Cylinder Lubricant? One's a deep-clean product, the other a...

October 16, 2019

What Does Oil Viscosity Mean

Oil viscosity is the measure of its resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.

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