Car oil numbers explained

26 Dec 2015 What those numbers mean. Castrol GTX (yes, I was a Castrol man) was an SAE 20W50, which simply meant that the Society of Automotive 

What Do the Numbers Mean? Most cars and trucks on the road today use multi- grade oil. Both 5w30 and 10w30 are multi-grade products. This means they are  11 Sep 2019 The engine oils have specific numbers & specifications. These numbers differentiate kinds of car oils. But what do the numbers on oil mean? The numbers indicate the oil grade, which is a measure of its viscosity. A layman can think of viscosity as a liquid's thickness. Consider the difference between  Oil helps cool your engine, lubricates the parts and, as we explained above, avoids friction and How do I know what the right viscosity grade is for my vehicle? That's why multigrade oil containers have a number on either side of the “W”. What do the oil numbers mean? What's the difference between mineral and synthetic? What are performance additives? Using the correct oil keeps your engine 

29 Jan 2018 The 5W means that the oil has been tested at colder temperatures and that already deciphered what those numbers in the SAE ratings mean.

We explain what the label on your bottle of oil means, the viscosity, what the back to basics but I'm constantly surprised by the number of people who do not know, 2) The viscosity (i.e. 10w40, 5w30 etc for Motor oils and 80w90, 75w90, etc  14 Feb 2019 Viscosity means a fluid's resistance to flow. In motor oil, it's rated at zero degrees Fahrenheit (represented by the number preceding the "W" [for  16 Jan 2019 In a nutshell, the numbers before and after the W represent viscosity. The letter “ W” itself stands for Winter. As you may know, viscosity means the  Car care FAQs Why do you have to change your motor oil on a regular basis? Motor oil breaks down over time. What does a viscosity index number mean? Here we explain what descriptions like 0W-20 and 5W-40 actually mean. Engine Oil Viscosity Grades. What do the viscosity numbers mean? 21 Feb 2019 What do these viscosity grades mean? As with monograde oils, the 'W' still means 'winter'. The number before this 'W' represents the winter 

2 Aug 2019 No one really thinks about the different levels of oil thickness or how much of an influence hot and cold temperatures have on the oil. If you 

What the numbers mean individually. The first bit (10w) the W stands for winter and the 10 means that the oil must have a certain maximum viscosity when the  While the two numbers specify the SAE viscosity grade, the viscosity index shows the Automotive Lubricant Viscosity Grades: Engine Oils – SAE J 300, Dec. 16 May 2018 Or what would happen if you used the wrong oil in your car? These numbers are the viscosity grades of oil at low and warm temperatures and can have devastating effects on We will use 5w30 as an example to explain this. You might have seen '10W-40' or '5W-30' on the oil packaging before – here we explain what it all means. The numbers represent the viscosity of the oil, which is   31 Jan 2013 The numbers you see on a motor oil bottle range from 0 to 60 and are Most motor oils on the market today are multi-viscosity oils, meaning  5 Nov 2014 Is it weight or watt of that motor oil or something else? And why two numbers are there 20 & 40? Surprisingly! W = #WINTER, not weight or watt or 

7 Aug 2018 This means that getting the right oil for your car is more important than Grade – the viscosity of your engine oil, signified by two numbers that 

7 Aug 2018 This means that getting the right oil for your car is more important than Grade – the viscosity of your engine oil, signified by two numbers that  #4 Oil Weight and Viscosity -- What Those Numbers Mean. Different engines require different engine oils with varying weights and viscosity ratings. VW 507.00, VW 504.00, etc: Volkswagen Motor Oil Specifications Explained ( These numbers may seem incredible to American car owners but motor oil 

31 Jan 2013 The numbers you see on a motor oil bottle range from 0 to 60 and are Most motor oils on the market today are multi-viscosity oils, meaning 

31 Jan 2013 The numbers you see on a motor oil bottle range from 0 to 60 and are Most motor oils on the market today are multi-viscosity oils, meaning  5 Nov 2014 Is it weight or watt of that motor oil or something else? And why two numbers are there 20 & 40? Surprisingly! W = #WINTER, not weight or watt or  A 10W-30 is a multi-grade (two viscosities) motor oil, and as the name implies, the oil is cold, so the numbers after the “W” don't relate to the numbers in front of  Most motor oils are multigrade, for example '5W-40', meaning that they are able to maintain their performance in high and low temperatures. The first number 

You might have seen '10W-40' or '5W-30' on the oil packaging before – here we explain what it all means. The numbers represent the viscosity of the oil, which is   31 Jan 2013 The numbers you see on a motor oil bottle range from 0 to 60 and are Most motor oils on the market today are multi-viscosity oils, meaning