5w30 is also the thinner engine oil of the two at lower temperatures. While it is possible to mix SAE 30 and 10w30 oils, doing so can impact the overall performance of your lawn mower. Brands like Castrol, Pennzoil, and Generac make excellent synthetic SAE (5w30 and 10w30) oil. Large weight carrying engines use mostly 10w30. In cold climates, the viscosity of 5w30 is 5. Nebraska. Madiganistan/Chiraq. 10W-30 synthetic oil’s range is between -25°C/-13°F to 30°C/86°F (sometimes -30°C/-22°F to 35°C/95°F) while a 10W-40 is from -30°C/-22°F to 40°C/104°F. ca: "If you mix viscosity grades such as a 5W30 low-viscosity oil and a 10W40 higher-viscosity oil, it is reasonable to expect that the resulting product will have viscosity characteristics which are thicker than the 5W30, but thinner than the 10W40. Both have the same viscosity at higher temperatures, but 5W30 is slightly thinner than 10W30 at cold temperatures. The engine. I wouldn't want *any* 50w basketballs in there. Michigan. “30” – in operating temperature (100C), this is how viscous (how “thick”) the engine oil is. #14. I would just use the 10w30. Ignition – Since 10w20 oil is thicker and combusts at a higher temperature of -18° to 30° Celsius, it may make ignition harder, especially in lower temperatures. Would like to eventually transition to the Delvac if it’s not a problem but still have a 2 gal jug of the Super tech 15w40. This means it will have a free flow at a lower temperature compared to 10W30. for 4. The viscosities of these two oils are slightly. However, since 5w30 and 10w40 have different viscosity and weight, it is advisable to mix them in equal quantities; that is to say, 50% of 5w30 to 50% of 10w40. For comparison’s sake, SAE 5W-30 and SAE 0W-30 will flow better at colder temperatures than SAE 10W-30, while still providing protection at higher temperatures. However, oil consumption will be a bit higher. Can You Mix 5w30 and 10w30 Oil? (Expert Opinion) How Long Can I Run My Car With Too Much Oil? Car Brake System Parts Explained in Detail; Best Car Batteries. #1. The difference between 10W30 and 10W40 is their performance at cold temperatures. But at low temperatures, they show opposite reactions. 10w30 oil type covers a significantly smaller range of temperature. If your vehicle is using multiple litres of. So, basically, you are going to have a few quarts 5w20 and a quart 10w30. In winter weather the 0W oil will flow like a 0W oil, and the 5W will flow like. No sense wasting good oil. 5w30 engine oils will, therefore, be able to protect the inner components of the engine faster than the 10w30 due to its low viscosity. AMSOIL 0W-30, 5W-30 and 10W-30 synthetic motor oils are ALL 30 weight oils. 5w30 can be used in temperatures ranging from high to low. Which oil is better 5w30 or 10w30? 5w30 is less viscous than 10w30. Can you mix 5w30 and 10w30? No, you can’t get any desired result by mixing both oils because both oils come in different grades. 20W40 oils on the other hand work better at a bit higher temperature. 3 to 11. #4 · Apr 3, 2017. If you still got 5W30 inside the engine when you mistakenly refilled 5w20, the two oils – 5w20 and 5w30 – would mix together. Technically, you can mix SAE 30 oil and 10W30 oil, but it’s generally not advised to do so. It can be used in place of SAE 30 in compatible engines as it provides the same SAE. Nevertheless, if you notice unusual signs after pouring 5w30, it’s advisable to drain it completely and continue with the recommended 5w20. In other words, it's far more robust than the 3. 10W30 motor oil can also reduce. First, mixing. Learn the difference between 5w30 and 10w30 engine oils, their viscosity, application, and compatibility. #8. If you don't have a choice, adding synthetic oil to regular oil can help you out in a pinch. It gets really interesting when adding multiweight to straight weight. Standing in the middle of this comparison, 5W30 has a higher viscosity than 0W30 but lower than 10W30. My thinking was that the comnbined 5w20/15w40 would be a reasonably okay oil for april weather and that I might be getting better cleaning and a better quality oil with the mix vs a straight 5w30 or 10w30, particularly in Auto-RX applications The total cost of these blends will work out to a little less than $1. If your car is not capable of handling the cold thickness of 10W30, then it should not be mixed. It’s a common question with a simple answer: yes, you can mix 5W30 and 10W30 motor oil. 3w36. If you are not in a situation where low-temperature startup anti-wear protection is not critical to you, then using 10w30 oil can be fine as well. The main difference between regular and synthetic oil is the temperature at which it undergoes thermal degradation. O. 7 was due to excessive shear with 5w30s when the engine was introduced. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing them. At best, if you mix say a 10W40 and a 0W20, you will get a 10W30 at 50/50 ratio. – Protects your lawn equipment all year long. What You Should Know About Oil Thickness At Different Temperatures. For every bearing surface the one oil is behaving like it and the other oil is behaving like the other. 10W-30 Engine Oil to find out which one is best for you. Whereas 10w30 is a high-grade oil and has a higher density. Dec 27, 2003. You should know, though, that this is not recommended. It is a multi-grade oil that is suitable for any type of outdoor power equipment. The recommended motor oil for Nissan vehicles is 5w30 and 10w30. #10. You don't want to use 5w30 in a push mower, it'll just burn up, because it's so thin. Winter-grade oil stays thin even as temperatures drop, which means it will flow straight to the engine. I would definitely use SS 5w30 over sae 30 in a snowblower. The choice between 5W-30 and 10W-30 depends on the specific needs of your engine and the driving conditions you encounter. Rotella T5 10w-30 or regular Rotella 15w-40 in all the small engines up to 35 horsepower. Thin liquids that flow easily, like water, have low viscosity. This is even encouraged by Mobil engineers. See moreWell, the answer isn’t quite as simple as a yes or no. If you are in that part of NorCal where it's truly -10 or more, consider M1 AFE 0w-30. TBN is higher after 5000 miles than Mobil 5000 (Im not going to bet it ends up higher than either of the "mixers") So if the idea is to thin down 15W40 to replace an OTS 5W30 or 10W30 Conventional I dont see the issue. The recommended viscosity for jeep vehicles is 0W20, 5W20, 5W30, or 10W30. The “W” stands for winter, and it’s a measure of the oil’s flow at 0 degrees Fahrenheit (-17. Just because the motor is small doesn't mean a thin oil is better. Mixing the two oils together can cause the oil to break down and lose its ability to lubricate and protect your engine. All engine oils have a certain temperature range, across which they provide the best performance. There's been talk before of owners using too heavy of a wt. 5 + 10. Yes, you can mix 5W-30 and 10W-30 motor oils without causing significant issues for your engine. Just like mixing full synthetic with semi-synthetic oil – mixing different viscosity such as the 5w30 and 5w40 is not a bad idea, especially if you are running low on oil. These two oils have contrasting viscosities and are designed for completely different types of use. If this is indeed the case (you end up with a mix of baseballs and basketballs) I do not see the benefit of mixing i. Ontario, Canada. The hot viscosity, the 30 grade, will stay the same if you mix them. #7. Using 5w40 oil is beneficial to diesel engines. The act is not recommended, but it is not prohibited also. Daily Drives: -2003 Toyota Tacoma PreRunner XtraCab, 2. However, if you use these motor oil, the new viscosity will be higher than the 5w30 and thinner than the 10w40. 5. The downside to 10w30 is it can be had in some low quality lubes, so make sure you go for a quality. They will blend perfectly. 10w30 oil provides a better seal and better protection than 5w30 oil because of its higher viscosity. Using oils with a higher viscosity increases the degree of strain on the oil pump. Thanks to their close viscosity, mixing the two oils will have no damaging effect on the engine. The reason being is that 5w30 and 10w30 oil have different viscosities. 4°C) and down to -10°F (-23°C), use 10W-30. My resulting viscosity is in the range of a 5W-30. There are car drivers who have been mixing 20w50 oil to 5w30 oil and using it in their vehicles. The manual says you can use 5W-30 if 0W-20 is not available. 5w30 and 10w30 oils are both multi-viscosity oils, which means they are designed to perform well in a wide range of temperatures. Stick to one type and viscosity rating. Apr 16, 2019. 0w20 vs. Recently came into a buttload of Delvac syn 10w30 (see below) via a foreclosure sale. They have said that there are no differences in terms of. Pros and Cons of 5W-30 and 10W-30 Oil. It’s possible to put in 10w30 oil without removing the previous one, but you’ll notice a considerable decline in performance while the oils try to mix and flow. First,. This can be beneficial in higher heat conditions or for engines that operate at higher temperatures. S. Pouring in 10W30 to an engine that has been running 5W30 is safe and poses no harm. However, because it is thinner it. They’ll mix seamlessly. Mobil 1 for example, the plane ole M1 synthetic 10w-30 is thinner than the 5w-30 at full operating temperature. On the other hand, if you add 5w30 oil to a 10w40 engine, you’re taking a bigger risk. 5)/2 = 9. If an. It cost $2 a quart more too. As far as 0w20 versus 0w30, it will be basically the same weight cold, at startup. In fact, race teams that use Mobil 1 regularly mix 10W-30 with 15W-50 to achieve the desired blend for the particular temps and race duration. And instead of just pouring the different oils into the engine for the engine to mix, it is a lot more fun to play Dr. If you’re adding a litre of oil that’s the same viscosity, such as adding 5W40 to a car filled with 5W40, then you don’t really need to do anything until your next oil change. If the temperature reaches even higher levels, the 10W30 will not be very efficient and you should go with the 15W40 oil. Sometimes thicker oil is even recommended in higher mileage engines, although I believe the jury is still out on it. 5w30 – has a rating of around 11. Mahzurrah! Mar 5, 2021. The same brands would mean that they are compatible in terms of their additives. BC, Canada. Pennzoil Platinum Dexos1 Gen2 5W30 satisfies all my requirements. So we wind up with 8. Eventually, you’ll get worse mileage, and it will shorten the longevity of your engine. But if you use 10w30 oil as the proper lubricant, you can cut down on the amount of contact between the block and the cylinder. Whether it is safe or not to mix oils of different grades depends on the engine. Considering that the W in the rating stands for winter, you can see that 5w30 is going to have a lower viscosity rating than the 10w30. #4. Yes, just that. Since you're only driving it 1200 miles a year, cold startability doesn't seem like a major consideration for your application. e. 4,373. 1. You just need to know that you may have less time between oil changes as a result of mixing oils. These two oils will flow at different rates due to their weight difference; however, the. We’ve established that 5w30 is suitable for cold regions. A lesser-weight oil may often be used with a higher one. 8. The 5w20 and 5w30 are closely similar, but definitely not the same. Inside your engine, both oil formulations can withstand temperatures of up to 100°C/212°F. Which oil is better 5w30 or 10w30? 5w30 is less viscous than 10w30. That is usually 100°C (212°F) when the engine is running (in an average engine). I'm using up my odds and ends. Yes, you can consider using 10w30 instead of 5w30 in the summer when temperatures are higher. The primary difference between 10w30 VS 5w30 oil is their viscosity. The answer is yes. 5w30 is used for light-duty engines while 10w30 is used for engines which carry heavier loads. Yes, you can use 5w20 oil on Toyota instead of 5w30. Germantown TN 38138. These options are also multi-grade lubricants that provide adequate protection to your engine. Read on for a guide on how you can mix 10w30 and 5w30 oil. As a result, you have the option of mixing the two oils. The only thing you will want to watch is when it gets colder. If you’re wondering whether you can mix 5w30 and 10w30 oil, the answer is technically yes – but there’s a little more to it than that. 5W30 is a multi-grade oil with a viscosity ranging from 5 (lower) to 30 (higher). Your mix is a little thin, but both are high quality oils. 0. 5w30 – 5w-30 counterpart registers 9. Mixing them won’t harm your engine, but it’s generally recommended to stick with one oil grade for consistency. 5. Then we add that to the 8. Based on your climate, just run a heavy duty engine oil in 10W30. Mixing engine oils is generally fine. For example, my car specs either a 5w-30w or 10w-30 oil. A. In addition, Shell Lubricants has introduced Shell Rotella ® T6 10W-30 full synthetic heavy duty engine oil, which provides the benefits of a full synthetic engine oil in the. In other words, you could have a 10w30 oil with a viscosity of 12. What does 5W 30 stand for? Will 5w20 hurt a 10w30 engine? What happens if you put conventional oil in a car that requires synthetic?. 5w30 engine oils will, therefore, be able to protect the inner components of the engine faster than the 10w30 due to its low viscosity. Find out the best oil additives, tips, and tricks to optimize your car's performance and efficiency.