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The best motor oil for most car engines depends on the relative age of the car. Synthetic motor oils, such as Amsoil Synthetic Blend 15W-40 Heavy Duty Motor Oil and Mobil 1 10W-30 Full Synthetic Motor Oil, are best for m... More »

www.reference.com Vehicles Car Parts & Maintenance Engine Oil

The best way to find the correct engine oil for a car is to check the owner's manual for the manufacturer's recommendations. This lists the oil that the manufacturer designed the engine to use. More »

www.reference.com Vehicles Car Parts & Maintenance Engine Oil

The best diesel oil for an engine depends on the type of vehicle and how often the oil is changed. However, most diesel engine oils should be heavy-duty, fully synthetic products designed with high performance in mind. More »

www.reference.com Vehicles Car Parts & Maintenance Engine Oil
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The API rating system for motor oil grades oil based upon its performance in a variety of tests that determine its suitability for certain kinds of engines. The American Petroleum Institute uses its Engine Oil Licensing ... More »

www.reference.com Vehicles Car Parts & Maintenance Engine Oil

Vehicle and equipment owners use non-detergent motor oil for the purpose of preventing overheating and to maintain the proper functioning of engines. Non-detergent oil works by lubricating an engine and cooling the inter... More »

www.reference.com Vehicles Car Parts & Maintenance Engine Oil

The 2007 Saturn Ion was offered with three different engines and all of them require 5W-30 motor oil, according to AutoZone. Some of the recommended brands are Valvoline, Quaker State, Havoline, Mobil 1 and Pennzoil. More »

www.reference.com Vehicles Car Parts & Maintenance Engine Oil

Choosing the correct motor oil for an automobile depends on many factors, including the age of the vehicle, the weather conditions and climate the vehicle is in, and recommended oil viscosity. Most automobile manufacture... More »

www.reference.com Vehicles Car Parts & Maintenance Engine Oil