Which motor oil is the thickest?

Importance of a Viscosity Scale

In order to have a standard way to measure the viscosity of engine oil, the Society of Automotive Engineers (SAE) developed a viscosity scale. The scale ranges from 0W, which is the thinnest type of oil, to a rating of 60, which is the thickest oil.

Which motor oil is thicker 5w30 or 10w30?

So both the oils 5W–30 and 10W–30 have exactly the same viscosity (SAE 30) when your engine is running, and will perform in the same way. However, the 10W–30 oil will be thicker (higher viscosity) than the 5W–30 when it is cool.

Which oil is thicker 20w50 or 10w40?

10w40 oil is a popular all-purpose oil designed in many different engines. 20w50 (also known as 10w30) is another popular all-purpose oil used in engines. The differences between 10w40 and 20w50 are small, but they have something in common: They are thicker than regular 20w50 oil.

Which oil is thicker 10w40 or 10w30?

The difference between 10W-30 and a 10W-40 is the high temperature viscosity. Obviously, a 10W-40 is thicker than a 10W-30 at high temperature.

Which oil is thicker 5w20 or 5w30?

So, due to viscosity, 5w20 is a thinner oil during operating temperatures, whereas 5w30 is thicker during operating temperatures. A majority of manufacturers are now producing engines that operate on 5w20 oil, to which it's important to stick to this viscosity and not substitute 5w30.

Thin or Thick engine oil isn't safe!?

Which is thicker 5W-30 or 5W 40?

Although both have the same viscosity grade in cold weather, 5W-40 is thicker than 5W-30 at warmer temperatures. It's also worth pointing out that: 5W-40 is the suggested oil for most diesel applications.

Is 10W40 thicker than 5W30?

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. At high temperatures, the 5w30 oil is thinner than that of 10w40 since 30 is lower than 40.

Is 20w50 thicker than 10W30?

It really comes down to personal preference. As your engine does put out significant horsepower, we would lean toward using 20W-50. If your engine sees very light duty or is built exceptionally tight, 10W-30 would be fine. But again, if you twisted our arm, we would give 20W-50 the nod for the thicker viscosity.

Is 15w40 thicker than 10W30?

Because 10W-30 is thinner than 15W-40 oil, its film strength can be weaker and it can be more prone to oxidation. Therefore, high quality additives are needed to compensate for those weaknesses in order for a 10W-30 engine oil to protect as well and last as long as a 15W-40.

What happens if I put 10W40 instead of 10W30?

Between a 10W-30 and 10W-40, 10W30 motor oil would run smoother in colder climates while a 10W40 would be more effective in preventing engine wear and tear in warmer temperatures.

Which oil is thicker 15w40 or 20W50?

The higher the number the thicker the oil so in this case 15w40 oil will be a thinner oil.

Which is better 20W40 or 20W50?

20W50 will hold on to the viscosity marginally better than 20W40 when the engine gets hot. However, 20W50 mineral oil will cause more sludge than a similar 20W40 because 20W50 will have more viscosity improvers. Pulsar 150's manual recommends 20W40, but you can use either, not much of a difference.

Is 20W 50 oil thick?

SAE 20W-50 is a thicker oil with high viscosity at hot temperatures and is highly resistant to oil thinning. Despite being one of the less popular oil viscosity grades, it's still recommended for a lot of automobile vehicles.

Can I put 10W40 instead of 5w30?

Your vehicle does not use 5W-30 oil. The recommended oil viscosity for your vehicle, according to Kia documentation, is 10W-40. If you drive the vehicle in exceptionally cold weather, well below 32 degrees, you can use 5W-30 oil but even 10W-40 is still perfectly OK to use if outdoor temperatures are below freezing.

What oil is thicker than 10W40?

The higher the number, the more viscous or thicker, the oil is at higher temperatures. This means that at 100^oC, 10W30 engine oil has the viscosity of an SAE 30 single grade oil, and 10W40 oil has SAE 40 viscosity.

Should I use thicker oil in an older engine?

A: Yes. This is a practical method to improve oil pressure in an older, high-mileage engine. The slightly thicker oil film from the heavier base weight oil - 10W - can help protect worn engine bearings as well.

What happens if I use 15W-40 instead of 10W30?

Since 10W-30 is thinner than 15W-40, its film strength can be weaker and it can be more prone to oxidation. Therefore, high quality additives are needed to compensate for those weaknesses in order for 10W-30 to protect as well and last as long as 15W-40.

Is 5w40 thicker than 15W-40?

5-40 is thinner in the cold. there is no need to run 5-40, however those who live in cold climates that frequently get below 0 may experience easier starting, less wear and tear on the engine, and quicker warm up times with 5-40.

What is 15W-40 oil used for?

ADVANTAGE 15W-40 HEAVY DUTY DIESEL ENGINE OIL can be used with complete success in over-the-road diesel trucks, off-highway diesel equipment, farm tractors, and passenger cars and light trucks with diesel, turbo-charged diesel engines, or gasoline engines and is backward compatible with previous API Oil Categories.

Can thick oil damage engine?

It's best to use the oil viscosity recommended in the owner's manual, but using a slightly thinner or thicker oil (lighter or heavier viscosity) generally poses no long-term harm.

What is 20w50 oil good for?

A SAE 20W-50 motor oil is typically used in older vehicles or in particularly warm climates. Castrol GTX 20W-50 has been specially formulated to help extend the life of your engine by keeping it free from sludge, even when operating in extremely high temperatures.

Is 20 or 30 oil better?

You'll get better protection with 5W 30 oil in cold as well as hotter climates. 5W-20 oil is best for those who live in colder climates with low temperatures. It can be used for light-duty applications, for engines that do not reach very extreme temperatures.

When should I use thicker oil?

There are some circumstances where drivers have used thicker oil in an engine. If, for instance, clearances between engine components have increased, gotten sloppy, a thicker oil can help to fill the void. Within reason, thicker oil maintains a better lubricant film between moving parts.

Which oil is thicker 5w20 or 10w30?

Thicker and heavier, 10w30 protects older engines with its great healing properties. Multi-grade oil 5w20 is thinner in comparison and best for quick ignitions in lower temperatures. To maintain the perfect condition, your vehicle should only receive specified motor oils from the manufacturers.

Does 10w30 hurt 5w30 engine?

Can I Mix 10w30 and 5w30? Most oils will mix perfectly, provided they have a similar synthetic. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Mixing the viscosity of oils will not have any effect on the engine.