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 Causes Motor Oil Contamination?

Checking oil for contamination

Motor oil contamination is the result of chemical changes to the oil, in addition to the accumulation of dirt, fuel, metal particles and other contaminants.



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 Much Oil Does My Car Need?

How much oil does my car need?

Find out how much motor oil your car needs using the AMSOIL Product Guide. It’s fast, free and convenient. Find out more here.



Which Car Oil is Right for my Vehicle?

Oil bottles on a retail shelf

When deciding which oil to use in your car, ensure you use the correct viscosity of oil that meets the correct performance specifications.



Additives in Motor Oil: Everything You Need to Know

Additives in motor oil

Additives in motor oil perform two critical functions: lessen destructive processes and enhance the beneficial properties of the base oil. Here’s a rundown.



What is the Shelf Life of AMSOIL Synthetic Motor Oil?

AMSOIL shelf life

AMSOIL shelf life for motor oil is up to five years if your follow a few simple storage guidelines. AMSOIL synthetic grease can last up to two years.



Can I Use Diesel Oil in My Gas Engine?

You can use diesel oil in a gas engine provided the diesel oil meets the appropriate specifications and viscosity requirements of your engine.