4 Sturgis Motorcycle Rides Every Biker Should Experience

Heading to Sturgis? The Black Hills and Badlands are just two memorable Sturgis motorcycle rides to take while at the rally.



Do Transmission Fluid Additives Work?

Do transmission additives work?

Transmission additives supposedly fix erratic shifting, leaks and other problems. However, testing has shown they can make transmission performance worse.



Help Prevent Horsepower Loss Due to Wear & Deposits

Sports car

Engine deposits and wear lead to horsepower loss and reduced efficiency. Here’s a simple solution to help keep your engine running strong.



8 Car Maintenance To-Dos at 200,000 Miles

Working on car

Perform these maintenance tasks at 200,000 miles to help your car keep running strong for another 100,000 miles or more.



Your Free Car Maintenance Tracker

MyAMSOILGarage

MyAMSOILGarage™ is a free car maintenance tracker that lets you store info for all your vehicles and equipment.



How Often Should I Change Front or Rear Differential Fluid?

How often to change differential fluid increases if you tow.

How often to change differential fluid depends on your vehicle, driving conditions and differential fluid quality. Learn more here.



How Often Should I Change Transmission Fluid?

Adding transmission fluid to flush machine.

How often to change transmission fluid depends on your vehicle year, make and model, along with your driving habits. Get the details here.



Hot AMSOIL Products for Your Hot Rod

Mark Moriarity Collection - Classic Car

AMSOIL makes a full line of products for your hot rod or classic car to help keep it running and looking great. Here’s a rundown.



What Causes Engine Oil Oxidation?

XL Synthetic Motor Oil

Engine oil oxidation can cause deposits, sludge and other performance problems. Synthetic motor oils offer better oxidation resistance.



How to Protect a Motorcycle Wet Clutch (and How it Works)

Motorcycle wet clutch

Motorcycle oil and dirt bike oil must be formulated with the correct frictional properties to ensure smooth, consistent shifts and long wet clutch life.