24 Facts About Motor oil

The main function of motor oil is to reduce friction and wear on moving parts and to clean the engine from sludge and varnish .

Motor oil eventually abandoned the medical practice to devote his time to the development of an all-petroleum, high-viscosity lubricant for steam engines – which at the time were using inefficient combinations of petroleum and animal and vegetable fats.

Motor oil made his breakthrough when he developed an oil that worked effectively at high temperatures.

Motor oil is a lubricant used in internal combustion engines, which power cars, motorcycles, lawnmowers, engine-generators, and many other machines.

Lubricating Motor oil creates a separating film between surfaces of adjacent moving parts to minimize direct contact between them, decreasing frictional heat and reducing wear, thus protecting the engine.

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Coating metal parts with Motor oil keeps them from being exposed to oxygen, inhibiting oxidation at elevated operating temperatures preventing rust or corrosion.

The Motor oil is able to trap soot from combustion in itself, rather than leaving it deposited on the internal surfaces.

The Motor oil collects in an Motor oil pan, or sump, at the bottom of the crankcase.

In some engines Motor oil is sprayed through a nozzle inside the crankcase onto the piston to provide cooling of specific parts that undergo high-temperature strain.

One of the most important properties of motor oil in maintaining a lubricating film between moving parts is its viscosity.

Motor oil must be able to flow adequately at the lowest temperature it is expected to experience in order to minimize metal to metal contact between moving parts upon starting up the engine.

Still another important property of motor oil is its flash point, the lowest temperature at which the oil gives off vapors which can ignite.

An engine Motor oil using a polymeric viscosity index improver must be classified as multi-grade.

The necessity of higher-priced motorcycle-specific oil has been challenged by at least one consumer organization.

The Motor oil filter removes many of the particles and sludge, but eventually, the Motor oil filter can become clogged, if used for extremely long periods.

At reduced viscosity, the Motor oil is not as capable of lubricating the engine, thus increasing wear and the chance of overheating.

Motor oil changes are usually scheduled based on the time in service or the distance that the vehicle has traveled.

Many manufacturers have engine computer calculations to estimate the Motor oil's condition based on the factors which degrade it, such as RPM, temperature, and trip length; one system adds an optical sensor for determining the clarity of the Motor oil in the engine.

Engine user can, in replacing the Motor oil, adjust the viscosity for the ambient temperature change, thicker for summer heat and thinner for the winter cold.

Motor oil is used for the lubrication, cooling, and cleaning of internal combustion engines.

Phosphorus is a key anti-wear component in motor oil and is usually found in motor oil in the form of zinc dithiophosphate .

An Motor oil that meets JASO-MA is considered appropriate for wet clutch operations.

Motor oil can have an incredibly detrimental effect on the environment, particularly to plants that depend on healthy soil to grow.

Higher purity and therefore better property control theoretically means synthetic Motor oil has better mechanical properties at extremes of high and low temperatures.