The rest of the all other things are dissimilar to each other. However, 10W-40 engine oil is more viscous in hotter climates and has a better temperature spectrum. Which offers low friction and does not freeze in cold temperatures. For different sorts of engines, the oil requirements also vary. And, the only similar part between the two of these oils is the ability to be used for the engine of the lawnmower. Can I Use 10W40 Instead Of 5W30? how does viscosity affects car performance? 5W30 is a synthetic oil that is thinner than 10W40, making it ideal for use in colder weather. Then you can decide whether 10w40 over 10w30 is OK for your lawnmower or not. Multi-grade oils could stay as close to the optimum viscosity over a range of temperatures not too thick when it is cold and not too thin when it is hot. The number after the W is how thick the oil is when your engine is running and up to temperature. (Explained), F1 Steering Wheel Cost (Why Is It So Expensive?!). In that case, you can blindly use the oil whose ability is to resist even -20 Fahrenheit to -50 Fahrenheit. Instead, it happens due to the filter in such engines that makes the oils contaminant separate from the machines. 6 Common Reasons, Engine Power Is Reduced on Chevy Equinox: Meaning, Causes, and Fixes, How to Gap Spark Plugs With and Without a Tool, Why Engine Is Hot and AC Turned Off (Causes and Fixes). So it is not recommended to do so. Oils with a higher viscosity give more mileage so, from the previous calculations, 10w40 will give you higher mileage. (Explained). So, you can expect an improved mileage with it in hotter temperatures. With their new Amazon Basics synthetic motor oil,, Read More Do You Know Who Makes Amazon Oil? It is advisable to use a 10w40 oil if the temperature of your city is below 30 degrees Fahrenheit. Also, not all cars in hot regions use 10w40. As posted above, mixing 5w0 will give you an oil that performs somewhat better in the cold than 10w40, but less good cold than 5w30, and that has a viscosity a bit higher than 5w30 but a bit lower than 10w40. It will increase your engines work capacity, HP, RPM and many more. Thus, it protects various parts of your cars engine in colder temperatures. When Dwight Eisenhower gave the Atoms for Peace speech what constructive use of nuclear energy was he introducing? So now, let us differentiate the 5w30 motor oil and the 10w40 motor oil in terms of viscosity, hot weather, and fuel economy. For each engine, there is one manufacturer's suggested configuration of engine oil. So, the thicker the protective film will be, the better it will be for these parts. Here we will end our discussion, You should never use 10w40 instead of 5w30 unless your car accepts the motor oil. So, it is best for vehicles running in cold climates to use the 5W30 since it is thinner than the 10w30. However, 10w40 is suitable for hot weather or heavy loads. If they wear out quickly, so will the engine. Changing the oil in your engine can be a daunting task as its one of the many things that keep your engine running. 5w30 oils are lighter than 10w40 oils, but they are recommended (each) for different situations. If you use 10-w-40 instead of 5-w-30 specified by the manufacturer then the viscosity of 10-w-40 used by you will be higher and oil thicker than what is specified during winters. The only problem that may lead to your mower is the higher viscosity, which will only happen if you belong from a higher temperature place. Conversely, 10w40 is a higher viscosity oil designed for warmer conditions. We all know about Polaris oil. So, you cannot use 10W40 oils instead of 5W30 on your lawn mowers with small engines. The difference in viscosity at operating temperature. This oil also prevents oil from getting frozen and lumped up by sitting. If you make a purchase through any of the links, I may earn a small commission at no extra cost to you. But you could reap the benefits of using a thick engine oil nonetheless. The 0w40 finds extensive use in European vehicle models due to the continent's coldness, which at times border to the extreme. Oils with the same high-temperature index SAE may have slightly different viscosity within the limits set by the standard. The 20W indicates how quickly the engine will start when cold or in cold weather. But, these numbers can be confusing and tricky. No, you cannot put 10w40 instead of 5w30 under normal conditions. (Quick Answer!). The first part of the grade number (the number before the W) tells us how thin the oil is so we can see that 5w30 is much thinner than 10w40. In summary, people interchange 5w30 motor oil and 10w40 motor oil. The motor oils cold viscosity is essential because it will dictate the lubrication. There is no recommendation about the 10w40 motor oil for Toyota engines, but you can still use it if you want. The letter w means winter. A "30" high temperature viscosity grade is common (as in 5W-30, 10W-30, etc) and is suited to many engines. In contrast, 10W40 is a thicker oil that is better suited for use in warmer weather. 10w-50. Will 10w40 hurt a 5w30 engine? The manufacturers thus choose a good thumb or rule-. But that is only under specific kinds of circumstances. The highly viscous nature of 10w40 will not allow the engine parts to move freely. Both motor oils are designed to work in different conditions, so they function differently. There is no recommendation about the 10w40 motor oil for Toyota engines, but you can still use it if you want. If you use 10w40 in place of 5w30, it wont perform as well as 5w30 in low temperatures. Does it affect performance? The answer to this question will depend on your vehicle and a lot more factors. Today, there are some industry-grasping multi-grade engine oils produced like 10W40, 5W30 or 20W50. These engine oils are made with so much testing in the lab. 10w oil usually has fewer viscosity improvers. Higher viscosity means more wear and tear in your engine. While the cold weight isnt significantly different, the difference in the warm weight means that the 5w30 oil will be thinner while running at optimal temperature, which can cause damage to the engine due to insufficient lubrication. The former engine oil is thicker and clings on to the engine parts more. What oil is better for summer conditions? Be careful; you do not destroy it by experimenting and switching to different oil. There will be no significant damages or serious problems that you will be encountering. Following bad things can happen if you put 10w40 instead of 5w30: If you use 10w40 instead of 5w30 in a car that is not used to thick engine oil, then chances are that it wont start at all. There are affiliate links on this article. Images that are not under our Copyrights are published with the respective owners authorization. The main thing is to provide a smooth start of the engine, which will increase its service life. Can You Buy a Random Brand? So its not surprising that many people ask, can I use 10w40 instead of 5w30? And these temperatures are present on the cylinder walls and on the exhaust valve stems. 10w40 motor oil is not recommended for Nissan engines. If the brand recommended by your OEM sells their 10w40 or 5w30 oil at a high price, its cool to find a cheaper universal equivalent of the same weight and specs. For instance, 10w40 with a higher viscosity level is thicker and weightier than 5w30. When you mix oils, you can lower or raise the viscosity, depending on the amount of oil of the same brand. 5w30 and 10w40 are both good depending on how your engine is designed and the temperature in your location. Because the gasoline in 5w30 is thinner and more able to reach the tough parts of the engine than the fuel in 10w30, 5w30 is more efficient and less viscous. Nearly the same go, plenty more eco. So it wont take long to break down all the energy sources if the food supply is stopped. This is a practical method to improve oil pressure in an older, high-mileage engine. For assumption, you can use 5W30 for 7,000 to 8,000 miles. So Can I use 10w40 instead of 5w30? This means the thickness of both oils is very different when the car is on and because of this, it can cause damage to the engine. In fact, often, when you take your car to a mechanic for an oil change, they'll put the 30 instead of the 20 because it's thicker. The 5W-40 is inferior in viscosity, due to the reduced winter coefficient. And if you mix them, you should choose oils of the same manufacturer. However, judging by its number, it is much thinner than 10w40. The 5W40 oil flows a lot easier when cold than the 10W40 oil. 10w40 oil can be the best choice for the lawnmower. In winter, you already need a thin oil. Contents Do not use 10w-40 instead of 5w-30 Yes, we know that every auto mechanic can have a different opinion on this. 2. However, the second half of the grade number (the number after the W) tells us its thickness meaning the 10w40 is much thicker. Like we humans, machines also need constant energy to make them function.

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