Best 20W-50 Engine Oil In Malaysia
This article will explain to you what does the engine oil viscosity numbers mean.
The viscosity of motor oil is measured by its resistance to flow. There are two numbers that define the viscosity of engine oil, which is notated with the common ""XW-XX."" The number preceding the ""W"" rates the oil's flow at 0 degrees Fahrenheit (-17.8 degrees Celsius).
The first number ends with the letter 'W', which stands for Winter, not weight as many people think. This measurement is related to how an oil flows when it is cold, such as at engine start-up. The second number is defined by how an oil flows when at higher temperatures normal engine operating temperatures.

How to read engine oil grade?

The smaller the number, the better it will flow. So a 5W-30 viscosity engine oil thickens less in the cold than a 10W-30, but more than a 0W-30. An engine in a colder climate, where motor oil tends to thicken because of lower temperatures, would benefit from 0W or 5W viscosity. This is important, as engine oils naturally thicken as they cool and thin as they are heated.

What viscosity oil should i use?

Thin, low viscosity oils flow easier to protect engine parts at cold temperature. Thick, high viscosity oils are typically better at maintaining film strength to protect engines at high temperatures.

Engine oil viscosity chart

0W, 0W-20, 0W-30, 0W-40, 5W-30, 5W-40, 5W-50, 10W-30, 10W-40, 10W-50, 15W-40, 15W-50, 20W-50

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  • What is better 10W-40 or 5w 30?

    The 5w30 oil will flow better at low temperatures than the 10w40 oil. This means that the 5w30 oil will protect the engine better at low temperatures, usually when the engine is just starting or during weather conditions such as winter.

  • Which oil is better 5W-30 or 10W-30?

    5W-30 multi-grade oil is ideal for private vehicles and light-duty petrol and diesel engines. It also provides a better cold temperature start than 10W-30 oil. On the other hand, the slightly thicker oil,10W-30, provides better lubrication for commercial vehicles and heavy-load engine cars.
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