Oct 15, 2026

Test & Comparisons

Oils Against Oils

Oils Against Oils

Originally published in Fast Fours & Rotaries in July 1998, “Oils Against Oils” reports a performance-car engine test comparing synthetic oils for viscosity retention, wear-metal generation and horsepower ...
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Current AMSOIL Promos
Upcoming Shows
34th Daytona Beach Biketoberfest Motorcycle Parts Swap Meet
34th Daytona Beach Biketoberfest Motorcycle Parts Swap Meet
October 15-18, 2026 | Tomoka Farms | Daytona Beach, Florida ...
Blog & News
AMSOIL Formula 4-Stroke Powersports 0W-40 Gets a New Look
AMSOIL Formula 4-Stroke Powersports 0W-40 Gets a New Look
AMSOIL is introducing a new label for Formula 4-Stroke Powersports 0W-40 Synthetic Motor Oil. The packaging is changing, but the ...
Event Coverage Spotlight
A walk around the 2026 Southeast Adventure Vehicle Expo
Southeast Adventure Vehicle Expo (S.A.V.E.) 2026
Feb 27-Mar 1, 2026 | Florida International Rally & Motorsport Park | Starke, Florida ...
Facts & Info Spotlight
The True Measure of Lubricant Quality
The True Measure of Lubricant Quality
This 2003 article by Ed Newman explains how lubricant quality is measured, covering viscosity, cold-start protection, wear control, volatility, fuel ...
Heritage Spotlight
A Legacy of Firsts
A Legacy of Firsts
"The First in Synthetics" 

AMSOIL’s place in lubricant history is tied to a milestone that helped reshape the industry. In 1972, ...