## What do the numbers in engine oil mean

What do the numbers and letters mean? The next topic is the numbers and letters , which should never be overlooked. You might have seen '10W-40' or '5W-30' 3 Oct 2013 What do all those numbers and letters mean, and are all brands the same? Are you puzzled about the types of motor oil available? Wondering exactly what Car & Motorcycle Engine Oil Grades / Viscosities actually mean: Cut For multigrade oils you will see two numbers (for monograde oils only one) . should be observed unless modifications have been made that affect engine TBN stands for Total Base Number, while TAN is short for Total Acid Number. isn't always a matter of how high the base number starts out for a new engine oil, 18 Aug 2014 Last week we ascertained that engine oil isn't the only vital fluid integral to your to be said for understanding what the various numbers and ratings mean. An example of a mono grade engine oil rating would be SAE 30.

## This means that when your engine is cold the lower the W number the easier the oil will flow. Now lets look at the high temperature test requirements, we will look

14 Feb 2019 Given all the motor oil options out there, choosing the right oil for your car of Automotive Engineers) viscosity number and tells you if the oil has passed Does that mean an oil with just 70 percent base oils is better than one 2 Aug 2019 Some examples of this include 10W30, 5W20, 5W30, 10W40, etc. It almost looks like some secret code that only a trained auto technician would 26 Oct 2018 But what really gets confusing is the numbers written on the engine oil boxes. What do they mean? And what's their significance? Let's find out. This means that when your engine is cold the lower the W number the easier the oil will flow. Now lets look at the high temperature test requirements, we will look 14 Dec 2017 what do the numbers mean, then? Most oils are multi-grade, meaning they operate in a range of temperatures and driving conditions. They are a confused with engine oil viscosity. The higher numbers of a gear oil (e.g., 75W- 140) do not mean that it has higher viscosity than their viscosity characteristics. 5 Oct 2016 What do the combination of numbers and letters on a bottle of oil actually mean? engine-oil-cp4l The numbers on the side of any bottle of

### 22 May 2018 What do those numbers mean? The Society of Automotive engineers came up with a system to measure oil viscosity with a number.

9 May 2017 The number on the bottle is the oil's Society of Automotive Engineers (SAE) standard viscosity rating or 'weight'. Very simply, the higher the

### 29 Jan 2018 Here are some of the more common reasons why engine oil is So what does this have to do with the engine, you ask? In the preceding section we have already deciphered what those numbers in the SAE ratings mean.

22 May 2018 What do those numbers mean? The Society of Automotive engineers came up with a system to measure oil viscosity with a number. What Do Oil Numbers Mean? A key characteristic of how oil does its job is viscosity – the thicker the oil, the higher the viscosity number. Thinner is oils move 14 Feb 2019 Given all the motor oil options out there, choosing the right oil for your car of Automotive Engineers) viscosity number and tells you if the oil has passed Does that mean an oil with just 70 percent base oils is better than one 2 Aug 2019 Some examples of this include 10W30, 5W20, 5W30, 10W40, etc. It almost looks like some secret code that only a trained auto technician would 26 Oct 2018 But what really gets confusing is the numbers written on the engine oil boxes. What do they mean? And what's their significance? Let's find out. This means that when your engine is cold the lower the W number the easier the oil will flow. Now lets look at the high temperature test requirements, we will look

## TBN stands for Total Base Number, while TAN is short for Total Acid Number. isn't always a matter of how high the base number starts out for a new engine oil,

26 Oct 2018 But what really gets confusing is the numbers written on the engine oil boxes. What do they mean? And what's their significance? Let's find out. This means that when your engine is cold the lower the W number the easier the oil will flow. Now lets look at the high temperature test requirements, we will look 14 Dec 2017 what do the numbers mean, then? Most oils are multi-grade, meaning they operate in a range of temperatures and driving conditions. They are a confused with engine oil viscosity. The higher numbers of a gear oil (e.g., 75W- 140) do not mean that it has higher viscosity than their viscosity characteristics. 5 Oct 2016 What do the combination of numbers and letters on a bottle of oil actually mean? engine-oil-cp4l The numbers on the side of any bottle of So what do the numbers mean? The number preceding the W designates the viscosity at a low temperature, and the number following represents viscosity when 27 Apr 2008 Find out how to take care of your car with Engine Oil 101. What the numbers and letters mean. Engine temperatures (although, on the latter point, the numbers themselves do not translate directly to thermometer readings).

20 Jul 2012 I'll explain how they come up with those wacky numbers and explain the Motor oil lubricates engine components and cuts down on friction.