AMSOIL Resources
Explore our collection of articles, guides, and resources about AMSOIL products, synthetic oil benefits, product comparisons, and tips for getting the most out of your vehicles and equipment.
From AMSOIL Chairman Alan Amatuzio
Message from AMSOIL Chairman & CEO - Alan Amatuzio, from the November 2025 edition of the Dealer Magazine.
Best High Zinc Motor Oil: Brands, Zinc Content & More
Discover the best engine oils that are high in zinc additives and compare them with one another in this article.
Liqui Moly vs Mobil 1: Engine Oil Comparison
Compare Liqui Moly vs Mobil 1 — technical specifications, product lines, and expert analysis.
AMSOIL Preferred Customer vs Dealership: Which is Right for You?
Deciding between an AMSOIL Preferred Customer membership and becoming a Dealer? We'll break down the key differences, costs & benefits here.
Liqui Moly vs Royal Purple: Which is best?!
Compare Liqui Moly vs Royal Purple — technical specifications, product lines, and expert analysis.
Maximizing Vehicle Longevity: An Engineer's Guide to Making Your Vehicles Last
Ford engineer reveals 10 proven strategies to maximize vehicle longevity. Real-world testing insights on oils, filtration, and maintenance.
Why Temperature Extremes Require Synthetic Motor Oils: An Engineer's Analysis
Learn how temperature extremes affect motor oil performance. Expert analysis of NOACK volatility, pour point, and viscosity index from a For
Will AMSOIL void your warranty? The Magnuson-Moss Act
Learn more about the Magnuson Moss Act and how using AMSOIL will NOT void your vehicle's warranty.
API SA Oils Fail Engine Sequence Tests: A Warning for Modern Engines
Using obsolete API SA motor oils in modern engines can cause severe damage to your engine.
Why Racers Prefer Synthetic Motor Oils: Technical Analysis
Learn why most racers these days prefer synthetic motor oils and other synthetic lubricants in their high performance vehicles.
The History of Synthetic Motor Oil: An Engineer's Perspective
Learn more about the history of synthetic motor oils and how the industry has evolved over the past several decades.
Klotz vs AMSOIL: Who makes the best racing oil?
Comparing some of the best racing & high-performance engine oils like Klotz vs. AMSOIL? See who comes out on top.
Ford Super Duty Fuel Pump Recall: Bad Diesel Fuel?
Learn more about the 2024 Ford Diesel Fuel Pump Recall and how you can avoid related issues with high quality diesel additives.
AMSOIL vs. Schaeffer's Oil: Which is the best diesel engine oil?
Compare top synthetic oil manufacturers like AMSOIL and Schaeffer's before choosing your next engine oil!