Important Articles
AMSOIL vs. the big-name companies
Problems using Amsoil
European Vehicles Require High End Oils
Used motor oil - How Amsoil helps protect the environment - Environmental issues
California cracks down on obsolete motor oils - Future predicted for Synthetics
Auto Industry's Best Kept Secret
New to using synthetic oil? Read the 10 myths of synthetic oil
What you need to know about oil additives
The brainwashing of consumers
Side-by-side comparison of conventional oil with synthetic
Amsoil Warranty Issues
Amsoil vs. Red Line Oil
Amsoil competes with Royal Purple, Castrol, Mobil 1, Shell and BP on the Dyno

Know the facts:

  • Before AMSOIL, there was no API rated synthetic motor oil.
  • Before other oil companies "discovered" synthetic motor oil, AMSOIL already had the first motor oils on the market for years.
  • Before "fill for life" became an industry buzzword, AMSOIL was filling for life.
  • Before specification GM4718M for General Motors synthetic factory fill was required, our product was already meeting the spec and making the grade.
  • Before OEM's began extending drain intervals, Our product was extending automotive drains to 25,000 miles and over-the-road diesels to many tens of thousands of miles.
  • Before the other oil manufacturers were even concerned with volatility, our product was using and passing the NOACK Volatility Test to insure the highest quality, longest lasting motor oils. (Our products had the first NOACK test equipment in the U.S.)
  • Before improving engine performance was considered a goal of other motor oil companies, it had been an accomplished fact with our products for many years.
  • Before auto makers periodically increased the demands on motor oils, our products were meeting and exceeding those demands without reformulating.
  • Before the rest of the industry understands what the lubrication performance challenges of today are, We met those challenges. From the introduction of its first synthetic motor oil, we made it necessary for other oil companies to improve their products or fall behind.
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