What is Motor Oil? Various Articles on Engine Oil | Select Synthetics

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Motor Oil 101. Articles on what motor or engine oil is and does. I discuss petroleum, hydrocarbons, base oil groups and the classification system, motor oil base stock and additives, and talk about synthetic oil.

What is Motor Oil?

Petroleum & Hydrocarbons

Base Oil Groups

Motor Oil Base Stock

Motor Oil Additives

What Does Motor Oil Do?

Why Synthetic Motor Oil?

An image of flowing motor oil protecting an engine's internal parts such as pistons, crankshaft, camshaft, bearings, lifters, and rods.

AMSOIL full synthetic lubricants protect all of your vehicles - such as cars, trucks, boats, motorcycles, dirt bikes, ATVs, UTVs, and small engines.