Is 10w30 thicker than 5w30? 10w30 is thicker than 5w30 because it has a higher viscosity in low temperatures. The engine oil will flow slower than 5w30 during the cold season. ... Thicker oil offers better lubrication of motor and engine parts.
Should I use thicker oil in an older engine?
For an older, high-mileage passenger car, it is recommended to switch to a thicker viscosity oil, such as 10W-30 , when approaching and passing 100,000 miles, to lubricate the engine well for preservation.
Which oil is better 5w30 or 10w30?
5w30 is less viscous than 10w30 . 5w30 is also the thinner engine oil of the two at lower temperatures. ... 5w30 is used for light-duty engines while 10w30 is used for engines which carry heavier loads. 10w30 provides sealing action in the engine due to the fact that it is thicker than 5w30 engine oil.
Is 10W-40 thicker than 5w-30?
A 10w-40 motor oil is a thicker oil at startup than a 5w-30 motor oil. Therefore, 10w-40 oil clings to the engine's moving parts more than the lower viscosity 5w-30 oil.
Which is thicker 10w40 or 10w30?
Engines that run high operating oil temperatures require higher viscosity oil. ... 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 .
What happens if I use 0w20 instead of 5w30?
But among them, 0w20 and 5w30 are famous due to their top-notch performances. If you add 5w30 to your vehicle instead of 0w20, the performance of your vehicle will not affect much . Your vehicle will continue to run smoothly and providing you comfortable rides.
Is 10w30 good for high mileage?
Mobil Clean High Mileage 10W-30 is designed for vehicles with more than 75,000 miles . Its advanced formulation helps protect seals and prolong engine life. ... These oils protect against sludge and engine rust and corrosion under high and low-temperature operating conditions.
Is 5W30 good for high mileage?
Amazon Basics Full Synthetic is the best 5w30 oil for high mileage vehicles. This oil should only be used on vehicles exceeding 75,000 miles. This motor oil is formulated for longer drain intervals. It helps in preventing a build-up on drain intervals and preventing rust and corrosion.
What happens if you put 10W30 instead of 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. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing them.
Can I mix synthetic and regular oil?
The short answer is... yes . If you don't have a choice, adding synthetic oil to regular oil can help you out in a pinch. ... Since motor oils are generally made from the same ingredients (base oil and additives), they are typically compatible when mixed.
Is Thicker oil better for high mileage cars?
High-mileage motor oil doesn't hurt and it could prevent leaks from starting. ... Some mechanics recommend switching to a thicker (higher viscosity) oil — such as 10W-30 full synthetic oil instead of 5W-20 full synthetic — or using oil additives to stop leaks.
What happens if you put thicker oil in your car?
Using oil that is thicker than recommended may lead to a decrease in fuel economy , a higher load on your engine, and even a shorter life for your engine. Conversely, using thinner, lighter-weight oil than recommended can cause excessive wear and shorter life.
Is 10W40 good for high mileage?
If both 10w30 and 10w40 are acceptable oil options for your car, it's recommended that you use 10w40 for your car with high mileage . ... The thicker oil helps older engines handle higher temperatures and manage wear and tear more efficiently. The thicker oil will reduce wear and tear and extend the life of your engine.
When should I use 20W50 oil?
20W50 motor oil is suitable for warmer climates , where the higher temperature causes the oil to thin. It is also useful for vehicles subject to hot temperatures and for those used for high-stress activities such as hauling or pulling trailers.
What happens if I put 10W40 instead of 10W30?
You can see that 10W40 is more viscous than 10W30, at these temperatures. The basic fact that “40” is greater than “30” tells you that. If you were to put 10W40 in an engine designed for 10W30, the “thicker” oil would lead to friction in the engine and an increased load on the oil pump .
Is it bad to mix 10W30 with 10W40?
Mixing 10W30 with 10W40
Some say that mixing them is fine as long as you don't live in freezing weather. Even if you put together synthetic and conventional blends of these motor oils, they show no harm to your vehicle .
