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The weight of an oil represents its viscosity, which is a description of the thickness of the oil. Viscosity is typically measured as the standard time it takes the fluid to run through a standard size orifice at a speci... More »

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

The average density for motor oil is 0.865 grams per cubic centimeter, which is about 7.2 pounds per gallon. The density of the oil depends on the formula of motor oil used and the temperature of the oil. More »

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

As of 2016, some places to buy cheap motor oil include AdvanceAutoParts.com and Amazon.com. Both of these companies offer fair rates and occasional sales on their websites. More »

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

A motor oil chart is a chart that displays and ranks the various grades of motor oil viscosity. Viscosity is determined by measuring the time it takes for a standard amount of oil to flow through a standard orifice, at s... More »

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

The best synthetic motor oil for a car should have the appropriate viscosity, or thickness, and meet the standards of the automaker, according to Cars.com. Reference the owner's manual to determine the correct viscosity.... More »

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

According to the Argonne National Laboratory, petroleum products do not freeze (crystallize), but their viscosity can become very high and adversely affect the instruments they run in, such as a motor. Viscosity is deter... More »

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