CarFemme
A community magazine for female car enthusiasts, builders, and mechanics.
Engine Oil Numbers Explained
The numbers that represent different types of engine oil refer directly to the fluid’s viscosity. It’s important to start by noting that engine oil is used as an internal lubricant for the many moving internal components of the engine. As engines range in temperature from their lower starting temperature to their higher operating temperature, the oil, which, like any liquid, changes in viscosity.
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AUTOS 101
Engine Oil Numbers Explained
The numbers that represent different types of engine oil refer directly to the fluid’s viscosity. It’s important to start by noting that engine oil is used as an internal lubricant for the many moving internal components of the engine. As engines range in temperature from their lower starting temperature to their higher operating temperature, the oil, which, like any liquid, changes in viscosity.
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