How Often Should I Change Front or Rear Differential Fluid?

Chevrolet silverado 1500 Towing Camper

How often you should change front and rear differential fluid depends on your vehicle, driving conditions and differential fluid quality.



Automatic Transmission Fluid & Manual Transmission Fluid: What’s the Difference?

Back in 2006, original equipment manufacturers (OEMs) offered buyers the choice between an automatic and a manual transmission in 47 percent of new cars. Fast forward to 2018, when only 2 percent of vehicles sold had a manual transmission, according to edmunds.com. 



MMI: Building the Future of the Technical Force

MMI Lorettas 2015

Did you know AMSOIL is the official oil of the Motorcycle and Marine Mechanics Institutes (MMI)?



The Highs and Lows of AMSOIL Championship Snocross Finale Weekend

Hunter Patenaude

Happy March Madness, race fans! Before the real madness ensues (anyone else pick Virginia to go all the way?), let me tell you about the snocross madness I witnessed this weekend.



DOT 3 and DOT 4 Brake Fluid: What’s the Difference?

Glowing red brake rotor from heat

The primary difference between DOT 3 and DOT 4 brake fluid is their respective boiling points. I suspect I know your next question. But first, some background. The U.S. Department of Transportation (DOT) classifies brake fluid into four main categories:



Christian Craig Tells Us Why He’s Into Dirt – and Family

Christian Craig

At AMSOIL, we’re into dirt. Dirt bikes, dirt tracks and gettin’ dirty. Christian Craig of GEICO/AMSOIL/Honda wasn’t initially into dirt, but he sure is now.



What Should I Do with Used Motor Oil?

Container for used motor oil recycling

While most motorists pay someone to change their oil, 25 percent of us still crawl under our vehicles and do it ourselves. When we’re done, what do we do with the used motor oil?



9 Awesome Things to Do at Daytona Bike Week

Daytona Bike Week Daytona Beach

Hi, rally fans! March is here, and you know what that means – it’s time for Daytona Bike Week. And, with the 78th-annual rally set to kick off Friday, March 8, the “World’s Biggest Motorcycle Festival” is set to draw hundreds of thousands of bikers for the 10-day event.



No Fear and Loathing at the Mint 400

Brad Lovell Mint 400

“In some circles, the Mint 400 is a far, far better thing than the Super Bowl, the Kentucky Derby and the Lower Oakland Roller Derby Finals all rolled into one. This race attracts a special breed…”  – Hunter S. Thompson



How to Pick the Right Motor Oil for Your Car

conventional and synthetic oil

The glut of motor oils available can quickly induce analysis paralysis. How do you pick the right motor oil for your car?