What oil is thicker than 10W30?

10W40 oil has a higher viscosity, retaining more thickness than 10W30 as the temperature rises. In that case, 10W-40 motor oil would technically provide better protection against engine wear contact in higher temperatures.
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What is the next thicker oil than 10w30?

The quick answer is 10W40 is a thicker engine oil than 10W30 at higher temperatures. Both have almost the same characteristics, and the only difference is the oil viscosity.
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Is 5w30 oil thicker than 10w30?

The number 30 indicates the thickness of the oil when it reaches operating temperatures. Both the oils have similar viscosity at 100 degrees Celsius but 5w30 grade oil will thicken less than 10w30 grade oil in cold climate.
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Is 20w50 thicker than 10w30 oil?

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.
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Can I put 10w40 instead of 10w30?

The 10w30 and 10w40 oil options are both acceptable for your car, but if you have a high mileage car, you should use the 10w40 oil. Viscous 10w40 is more viscous than viscous 10w30. Older engines are able to handle higher temperatures and wear and tear more efficiently with thicker oil.
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What does 10w30 mean? 'Engine Oil Explained'



Is it OK to use 15w40 instead of 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.
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Is 20w50 thicker than 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.
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Can we use 20W50 instead of 10W30?

Don't go for 20w 50 it may cause overheating of the engine /may cause breakdown of the engine . Engine conditions are different for different ones . Use the grade specified in the manual and you would have a healthy engine . 20w50 is a thicker oil which reduces oil consumption slightly.
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What weight oil is thickest?

You might be familiar with terms such as “30-weight” or “10W-30” oil. Those numbers refer to the grade. The higher the number, the thicker the oil. The lower the number, the thinner.
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Which is better 10W40 or 20W50?

The 20th viscosity grade (i.e 20w50) is specifically designed for high temperatures situations, while the 40th viscosity grade (i.e 10w40) is specifically designed for cold-temperature situations.
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Is 10w40 thicker than 10w30?

10W40 oil has a higher viscosity, retaining more thickness than 10W30 as the temperature rises. In that case, 10W-40 motor oil would technically provide better protection against engine wear contact in higher temperatures.
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When should I use 20w50 oil?

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.
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What happens if you put 5w30 instead of 10w30?

Can you use 5W-30 instead of 10W-30? Absolutely yes for car engines, 5W-30 is usually synthetic and superior to 10W-30. Both have the same viscosity at the operating temperature of an average car engine. 5W has lower viscosity when cool and is considered better for the car engine during engine start.
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Is 15W40 thicker than 10W30?

While the viscosity of a heavy duty engine oil accounts for its contribution to fuel economy, it is the composition of the base oil and additives that protect your engine from wear, soot and acid. Since 10W-30 is thinner than 15W-40, its film strength can be weaker and it can be more prone to oxidation.
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Can I use 10W50 instead of 10W30?

If I'm not wrong, they'll both be the exact same thickness at 0°F but will perform differently at 212°F. Hence, simply put, the 10W30 will be thinner at 212°F (also read as the higher operating temperatures) than the 10W50.
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Can I use 20w40 instead of 10W30?

20w 40 is a thicker oil when compared to the original 10w 30 oil. So 10w 30 oil is going to flow better than 20w40 oil when you initially start it and also run it. If the oil flows better the better the oil will lubricate and protect engine parts.
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Can I use 15W50 instead of 10W30?

It depends on the climb in the region you drive through. In a rather cold region I'd use the 10W30. In a warmer or even milder one, I'd use the 15W50. Which is wider in the usage range.
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Will thicker oil damage my engine?

Not only that, but the engine will waste energy pumping the thicker oil, reducing fuel economy. Since thicker oil doesn't transfer heat as well as thinner oil, operating temperatures will increase, possibly leading to accelerated chemical break down (called “oxidation“) and harmful sludge and deposits.
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Is Thicker oil better for older engines?

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.
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Which is better 20W40 or 20w50?

20W40 is suitable for hotter climates and will not cause sludge as opposed to 20w50 which is more appropriate for hotter conditions.
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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.
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Which is better 15w50 or 20w50?

The answer is that the 20w50 has more viscosity and therefore requires less energy to pump. It also has better lubrication properties than 15w50, which makes it easier for the engine to start and run.
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Can I use 15w50 instead of 10W40?

Because it is thinner, the 10W40 flows well at high temperatures leaving no residue in the engine. The 15W-50 engine oil is better for use during Winter than the 10W-40. 10W -40 is denser or thicker than what most engine manufacturers recommend. 15W, on the other hand, increases wear fuel consumption and reduces power.
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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. When you say which is better it depends on what the oil is for if it is for a car engine a oil which is 30 or 40 will better to use than a 50.
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Which is better 10w50 or 20W50?

10w50 is thinner than 20w50 at low temp. So it will flow between every small parts and gives better cold start as compared to 20w50. First number lower than recommended and second number higher than recommended is good. You can go for 10w50.
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