Why Does Motor Oil Turn Black?

How to change your oil

Find out why motor oil turns black and how that may affect your engine and, more importantly, if it signals the time for an oil change.



Take a Ride Around the Milestone MX Track

AMSOIL Swap Moto Milestone MX

Hunter and Jett Lawrence have had quite the journey to American motocross. After following the path of other successful Aussie riders like Chad Reed and Andrew McFarlane, they traveled to Europe to transition their careers to a larger scale, eventually landing on the AMSOIL/Honda and GEICO/Honda teams for the 2019 season. With his Supercross season

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See How Rtech Fabrications Builds Trucks to do Truck Things

Watch Randall Robertson of Rtech Fabrications build trucks to do truck things.



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 8 Most Useful Skid Steer Attachments

As a young farm kid, before I could operate the tractors, I had to pick rocks and sticks in the fields. I sometimes unearthed boulders that would have broken the blades on the tiller immediately.



What is a CVT Transmission?

Continuously_Variable_Transmission

“CVT” stands for continuously variable transmission. A CVT transmission uses a pair of variable-diameter pulleys and a belt or chain to provide unlimited gear ratios.



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: