How to Clean Car Battery Corrosion

Battery terminal corrosion can prevent your car from getting the juice it needs to start. Here’s how to clean and prevent it.



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.



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.



What is Transmission Fluid?

Ford Mustang on the road with an "Easy-Pack" of AMSOIL Automatic Transmission Fluid

Transmission fluid is a lubricant formulated to protect your vehicle’s transmission gears and clutch packs while enabling smooth, crisp shifts.



What is a Lead Substitute (and Do I Need One)?

Lead substitute for classic cars

Engines built in the 1960s and earlier with leaded gasoline in mind can benefit from a lead substitute to help prevent valve recession and engine knock.



What Kind of Grease Do I Need?

What kind of grease do I need?

Consider several factors when choosing the correct grease, including consistency, thickener type, operating temperature, load and more.



What Are Piston Rings?

What do piston rings do?

Piston rings seal the combustion chamber, keeping combustion gases in and oil out. Properly working piston rings are vital to maximizing engine power.



How Do I Know Which AMSOIL Products To Use?

Wondering which AMSOIL products to use? AMSOIL product guides provide an easy way to find all the right products for your vehicles and equipment.



Low Oil Pressure Symptoms and Causes

Low oil pressure can affect your vehicle’s performance and lead to engine damage. Here are the symptoms and causes of low oil pressure.