What is a Limited-Slip Differential (and What Type of Gear Lube Should I Use)?

Your differential allows you to corner safely while putting maximum traction to the ground. Here’s how it works, and what kind of gear lube to use.



Is Starting Fluid Bad for Gas Engines?

In small doses and used properly, starting fluid can be effective in hard-starting gasoline engines. But it can be bad for two-stroke or diesel engines.



How to Perform Oil Analysis

Oil analysis provides a glimpse inside your engine to gauge lubricant and component condition without so much as removing a bolt or bloodying a knuckle. Here’s how to do it.



An Eye for Detail Sets Kenny Hauk Apart

Watch the video to learn more about how Kenny Hauk came to be a force to be reckoned with in the competitive world of off-road builds.



How to Clean a Gun for Hunting Season

Don’t let a misfire or jam at the worst time ruin your next hunt. Watch how to clean a gun and get it ready for hunting season.



No Shortage of Excitement at the 50th Crandon World Championships

Legendary off-road racer Scott Douglas raced for the final time of his career at Crandon. Find out how he did and who won the Cup race this year.



Menzies Credits AMSOIL With Saving Racing Engine

Off-road racing star Bryce Menzies stopped by AMSOIL headquarters recently, where he credited AMSOIL synthetic motor oil with saving his racing engine.



What to Know When Choosing a Fork Oil

Fork oil must deliver consistent dampening, rebounds and performance so you can ride or drive confidently. Here’s what to look for when buying fork oil.



See Our Favorite Bikes from the 2019 Sturgis Motorcycle Rally

The Sturgis motorcycle rally always features some of the coolest bikes you’ll ever see. Check out some of our favorites from the 2019 Sturgis rally.



What Is A Rat Rod, Revisited

What is a rat rod? Simply put, it’s a blue-collar hot rod. But, as Rat Rod Magazine Editor-in-Chief Steve Thaemert says, it’s much more than that.