The primary difference when looking at 5W-20 vs 5W-30 is their viscosity once your engine has reached operating temperature.
Testing engine compression provides a snapshot of the health of your engine. In this video, we show you how to do it and how to interpret the results.
The practice of changing oil every 3,000 miles began with a noble purpose, but advances in motor-oil technology have made it obsolete.
It’s a good idea to change brake fluid every two years or whenever you change brake pads. In this video, we show you how to bleed brakes.
Understand basic features, like cranking amps, cold-cranking amps, reserve capacity and more before choosing a car battery.
Engine deposits and wear lead to horsepower loss and reduced efficiency. Here’s a simple solution to help keep your engine running strong.
We provide directions for how to check fluids in a car so you can ensure your vehicle is well maintained and running properly.
Even with manual transmissions on the endangered species list, questions about automatic vs. manual transmission fluid still arise.
How often to change differential fluid depends on your vehicle, driving conditions and differential fluid quality. Learn more here.
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.