Viscosity is quite important when select the motor oil to use in your vehicle.  If you use a motor oil that has a viscosity that is too low or too high, in your engine may evoke a few problems. Problems such as decreased fuel economy, exaggerated chemical breakdown and increased wear become all too real issues. What viscosity is and how it works. As defined by the dictionary, viscosity is the property of a fluid that resists the force inclined to cause the fluid to flow. The higher the viscosity rating of an oil, the least likely it will readily

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