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. 



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.



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:



Why Top Landscapers (Like Duluth Lawn Care) Trust AMSOIL

SABER Professional

Landscape professionals provide the most demanding proving grounds for two-stoke equipment. Their string trimmers, backpack blowers, chainsaws and other equipment run continuously in hot, dirty and wet conditions. And their brutal schedules leave no time for breakdowns.



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?



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?



What Motor Oil is Best for Winter? (And Other Cold-Weather Questions)

Synthetic oil is best for winter. We’re done here. If only it were that simple. But most people want empirical data to support such claims.



What is the Shelf Life of AMSOIL Synthetic Lubricants?

Pouring oil

AMSOIL synthetic lubricants are designed to retain their original performance after a reasonable period of time in your garage or storeroom. Proper storage ensures the freshest, most effective products possible.



How Engine Wear & Deposits Kill Horsepower

custom show truck at show

Most people equate engine wear and deposits with a sudden, catastrophic engine failure that leaves you stranded alongside the road. In reality, wear and deposits are more likely to erode engine power and efficiency over time. Here’s how it works and what you can do about it.