Award-Winning Vehicles of the St. Ignace Cup Presented by AMSOIL

Check out all the four-wheeled eye candy from the 2021 St. Ignace Cup car show.



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.



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.



What is the Best Transmission Fluid?

Pouring AMSOIL ATF into truck.

AMSOIL Signature Series Synthetic ATF excels at fighting heat and protecting gears and clutch plates, as demonstrated in severe testing.



Is it Safe to Add 2-Stroke Oil to My Diesel Fuel?

2-stroke oil in diesel pickup

In general, it’s OK to add 2 stroke oil to diesel fuel for extra lubricity, but it’s far easier and more effective to use a fuel additive.



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.