10w40 oils are not made for smaller engines. Besides, the oil will get clogged and lose its efficiency to work. So, it would be best if you found a motor oil grade that has the best balance between the recommended oil thickness and thinness. Transmission oil is essential to keep your automatic, Read More Dexron 3 vs. Dexron 6: Comparison and DetailsContinue, As an Amazon Associate, I earn from qualifying purchases. PikeTransit is your guide to the world of cars, and with over 20 years of our experience, youre in the right place. The recommended oil for all Toyota engines is 5w30 motor oil. The 15w40 motor oil can be used in diesel trucks, farm tractors, passenger cars, and many more. You can see with your own eyes how different the viscosity of these oils is after engine warm-up. After that, it is pretty much the same as 10w40. For example, 5w30 is not always recommended at low temperatures and not for all car models. The motor oil will act as a lubricant. So as you can tell, theres a lot to think about when you change your oil as different ones work better for different things. Then, after calculation, they choose the motor oil that has the least tradeoff so that your car gets the maximum profit. A lawnmower generally runs by a sort of engine that has anair-cooled system attached to It. (Ans Explained), Do You Know Who Makes SuperTech Oil Filters? Core components of the engine are used to a certain limit of friction. No! if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,100],'yourgreatcar_com-box-4','ezslot_14',626,'0','0'])};__ez_fad_position('div-gpt-ad-yourgreatcar_com-box-4-0');If you go deeper into the names of these engine oils, then you would know that the first number in their code represents the cold viscosity and the second number represents their hot viscosity. For northern regions, low winter temperatures better suit 5w30, but it all depends on the loss of fluidity temperature and the dynamic viscosity of a particular oil brand. After getting through the thinness and thickness of both oils, we can conclude that 10W40 is higher in viscosity than 5W30. 10w40 oil is thicker than 5w30 oil, so its used to reduce oil consumption. The only recommended use of 5w30 is when the temperature is exceptionally cool or freezing. 10w40 motor oil is much cheaper than 5w30. Now, in the case of the 10w40 oil, if the temperature is lower, you can use the oil instead of 10w30 as viscosity remains normal. (Answer Explained)Continue, Address:1105 Aztec Rd, North Pole, Alaska 99705, USA, Do You Know Who Makes Polaris Oil? Also, with higher viscosity, it will have a decreased flow rate. One most common type of difference between the two of them is their viscosity. However because the number after the W changes, this is slightly trickier. This means that the 20w40 motor oil is thicker if the engine is running. Be careful; you do not destroy it by experimenting and switching to different oil. 10w oil usually has fewer viscosity improvers. We can say this one will provide higher mileage than 5W30. Thats why some car owners try to save on the cost of motor oil. Its not recommended to mix oils as this can cause a lot of damage to the inside of your vehicle. 5w40 has higher viscosity hence it is not suitable at all temperatures. 5w30 is less viscous while 10w40 is more viscous. Thus, your car may not reach the desired vehicle speed. Save my name, email, and website in this browser for the next time I comment. However, as its number suggests, it is much thinner than 10w40. So, using one in place of another isnt practical either. We all know about Polaris oil. There will be no significant damages or serious problems that you will be encountering. A 10w40 oil with a higher viscosity protects engine parts better at higher temperatures or when the car is running at full speed. Both liquid and thick engine oil are needed for optimal performance of the car. It will maintain its film strength, and it will also keep the engine oil pressure under check. With various grades, there are so many different options available in engine oils. Conversely, at higher temperatures, 5w30 has a viscosity rating of 30, which is also less than 10w40. You will also lose an element of viscosity which means your oil wont be properly lubricating your engine. So, you can expect an improved mileage with it in hotter temperatures. If you live in a somewhat moderate temperature zone where you dont have to face harsh temperatures, then you can use 10w40 instead of 5w30. Interchangeably. It may be harmful to your car and the engine. If your motorcycle requires a 10W40 engine oil, there is no need to go for 5W40 oil. 5w40 oil is not thicker has it has a higher viscosity. The lower the number, the thinner the oil and therefore the better it will flow. 5w40 offers better start-up protection and the smallest bit of fuel economy for the initial 5-10 minutes of the journey. However, 10w40 is better suited for hot weather or heavy loads. ), F1 Engine Cost: How Much Does An F1 Engine Cost? As an Amazon associate, I earn from qualifying purchases. The second number is the operating temp viscosity (the number that matters most). Manufacturers always recommend using a particular oil for their automobiles to boost their performance in all conditions. High friction would also mean shorter life of the engine. If you use 10w40 in an engine for which 5w30 is recommended, then you will get poor engine performance in winter. Yet, many car owners and even quite a good number of motor mechanics will use non-recommended motor oils for different car brands and models. We have come across and know that 10W40 is suitable for hotter weather. 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. As a result, there will be a lack of fast lubrication and engine wear and friction. Also read: Does Engine Oil Brand Matter? Lets elaborate on their performance. In new engines with up to 100,000 miles, 5w30 is recommended. 5w30 vs. 10w40 Engine Oil: Differences and Can You Swap Them? If you consider the temperature of the place where you will use the lawnmower, oil usage can vary. The following viscosities are approved by Subaru: 5w-30. Having all the above information, the choice is up to you. The manufacturer chooses and recommends motor oil grade for your car after a lot of research. But for this, firstly, you have to understand the relation of viscosity of motor oil with its performance in different situations. Most 5W-40 oils, are synthetic oils and are recommended for use in newer engines, as such engines are demanding not only the viscosity of oils but also their composition. But you could reap the benefits of using a thick engine oil nonetheless. No, you cannot put 10w40 instead of 5w30 under normal conditions. But, a 5w30 would not offer the same protection as 10w40 because it is less thick at both high and low temps. 10w40 motor oil is not recommended for Nissan engines. However, 10w40 is better suited for hot weather or heavy loads, and it is not included in the recommendation list of Volkswagen. The only recommended use of 5w30 is when temperatures are exceptionally low or freezing. 5w30 oil is especially well suited to vehicles operating in cold climates. The rest of the all other things are dissimilar to each other. 10W40 engine oil will hurt 5W30 engines. But, when the number increases, viscosity also goes higher in the case of 10w40. Thus, it protects various parts of your cars engine in colder temperatures. The reason why your engine might overheat is simply due to the increased amount of friction offered by mating parts to each other. Car manufacturers, therefore, recommend using a thinner oil in cooling nozzles and pistons to improve its flow rate so that it can cool down the parts better. Once again, be sure to check your vehicles user manual before changing any oil as some might not be compatible with everything. The number of the oil is showing a lot of different viscosity in high and low temperatures. At higher temperatures or when the engine is warm, its viscosity level is 40, and at normal or lower temperatures its viscosity level is rated as 10. Higher viscosity means more wear and tear in your engine. But, of course, suppose the temperature is lower. Thus, 10w40 motor oil is preferred at higher temperatures because its viscosity at low temperatures is quite high. However, some manufacturers would always recommend using a thinner oil. What is the difference between 5W-20 and 5W-30 oil? Also, the thickness or viscosity is known as the weight of the liquid. The first number, 5, tells us how efficiently the oil works nicely in cold temperatures. 20w50 should only be used for old, tired oil burners. The main reason you should change your oil weight is if you cant find the exact one your car calls for but even then, you should switch back as soon as possible. The recommended oil for all Toyota engines is 5w30 motor oil. Address:454 Patterson Street, Houston, TX 77074. As a car buff or mechanic, you should understand that both 10w40 and 5w30 graded oil have two different oil viscosities. There are also so many different factors that go into what oil you should use including different weights working better in different temperatures. The 10w30 motor oil can be used in most automotive petrol or diesel engines. On the other hand, a 10w40 motor oil is recommended to be used for high mileage vehicles. And as much as motor oil is essential for your engine. This is because a 5w30 oil would flow more easily in low temps than 10W30 or 10w40. Thats because the temperature is not a variable factor, 90% of the bad things caused by thick oil are eliminated. What Is the Difference Between 5w30 and 10w40 Oil? This means that the 10w40 motor oil will cling to the engines moving parts more than the low viscosity of the 5w30 motor oil. For instance, 10w40 with a higher viscosity level is thicker and weightier than 5w30. The letter w also refers to winter or low temperature. But 10w40 can be used for hot weather or heavy loads. With thicker oil, the lead time of engine warm-up is increased. You can use 5w30 instead of 10w40, but its not the best idea to do so, and well explain exactly why. Andrey knows everything from warm-up to hard workout. As an Amazon Associate, I earn from qualifying purchases. Set off with the other half for a weekend trip over some bumpy B-roads for a decent Saturday lunch and everything came apart. Your vehicle does not use 5W-30 oil. On the contrary, at a higher temperature, 5w30 has a viscosity rating of 30, which is also fewer than 10w40. You should not use 5w30 instead of 10w40, especially in warmer conditions. 5W30 vs 10W30 Whats The Difference? In a 10w-40 for example the 10w bit (W = winter, not weight or watt or anything else for that matter) simply means that the oil must have a certain maximum viscosity/flow at low temperature. Some car parts will need a thinner film to protect against external elements, while others will need thicker films. There are affiliate links on this article. What is the difference between 5w30 and 10w40 oil? Some are included with additives, lubricants and adhesives. 15w40 vs. 10w30 Toyota Eventually, it will increase its operational capability in cold weather. Thus, some may perform better than the oil depending on the additives included in the formula. Can you burn acorns to get rid of them? How many lumens does an automobile headlight have? But when the temperature is higher, both motor oils similarly perform their intended functions (using the same viscosity). There is even a special blurb in the manual that states that if you live in the desert, or tow regularly, or high temperature areas, you should run a higher viscosity oil. With a powerful engine, you can take a chance. The 5W40 is thinner than the 10W40 at lower temperatures. Mixing different oil weights can cause damage to your engine sometimes. But strictly during the summers only. The recommended oil for all Toyota engines is 5w30 motor oil. Because 10W40 is way thicker than 5W30. (Explained). The last number, 40, tells us the hot temperature tolerance power of this oil. (Answer Explained), Do You Know Who Makes Motorcraft Oil Filters? (Answer Explained), Do You Know Who Makes Toyota Oil Filters? But 10w40 is suited for hot weather or heavy loads. The answer is, choose the one that your user manual says. The second number on the name of the motor oils describes the oils viscosity if the engine is warm. Gardengild is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising & linking to Amazon properties. The answer to this question is a fairly simple one, always go with whatever your cars user manual says as this will be specifically tailored to your vehicle. Synthetic Oil guarantees better protection for the engine and stabilizes the temperature. When you change the oil filter, change the oil as well. Home Blog [Detailed] Can I Use 10w40 Instead Of 5w30 +Other FAQs. Also, with a higher viscosity, it will have a lower flow rate. He also edits and writes articles for the IronSet blog where he shares his experiences.