3 Ways To Boost Diesel Truck Performance
A tuner, upgraded turbo and improved fuel delivery are cost-effective diesel power adders.
AMSOIL Synthetic Transmission Fluid Tames Texas Heat
Not even a "spot" of sludge in the pan or on the filter despite extreme heat & heavy towing.
How Do I Switch from Conventional to Synthetic Oil?
You don't need to do anything special before you switch to synthetic oil after having used conventional oil.
Grand National Cross-Country (GNCC) Series
The Grand National Cross-Country (GNCC) series is America’s premier off-road ATV and motorcycle racing series.
100% Synthetic Oil vs Full Synthetic Oil: What’s the Difference?
If a motor oil uses any combination of Group III, IV or V base oils, it's considered synthetic.
Pro Tips for a Successful Fishing Opener (and Season)
Pro anglers Pete Maina and John Gillespie offer tips so you don't miss anything vital this fishing opener.
AMSOIL-Sponsored Car Racing Series
We proudly support national racing series, local tracks and drivers to grow the sport for everyone.
American Rally Association
The ARA features real cars on real roads in a battle against the elements – and the clock.
AMSOIL Sprint Car National Championship
AMSOIL proudly supports USAC in its mission to bring grassroots racing to fans across the U.S.
Can I Use Diesel Oil in My Gas Engine?
You can use diesel oil in a gas engine provided the diesel oil meets the appropriate specifications and viscosity requirements.
