Conventional motor oil provides excellent all around quality protection by exceeding industry standards. Protects against all types of deposits at all temperatures to keep engines clean. Resists oil thickening by providing enhanced oxidation control. Contains durable anti-wear additives that stay in the oil longer to improve protection. Provides thorough anti-wear protection exceeding current U.S., Japanese and European wear tests for gasoline and gasoline turbo-charged engines where each grade is specified