Interchangeably. Car users often pose this question on car forums that can I put 10w40 instead of 5w30 and vice versa. The slightly thicker oil film from the heavier base weight oil 10W can help protect worn engine bearings as well. The thinner motor oil like 5w30 will be providing less friction in the engine. 10w40 means the oil would flow well in low temps and high temps; however, the flow would not be as swift as a 5w20 or 5w30 oil. There is no recommendation about the 10w40 motor oil for Toyota engines, but you can still use it if you want. No, you cannot put 10w40 instead of 5w30 under normal conditions. Thus, some may perform better than the oil depending on the additives included in the formula. Therefore, 10w40 can be used when the engine is running and during the summer, while 5w20 can be used for cold starts and the winter. That is to say, we can point out many of the differences between a 10w40 oil and SAE 30. The former engine oil is thicker and clings on to the engine parts more. The recommended oil for all Toyota engines is 5w30 motor oil. Here are some more articles for you to check out: 20W50 vs 10W40 Oil: Whats the Difference and Which Is Better? The 5w30 has a viscosity of 30 at high temperature while a 10w40 has a 40 viscosity at high temperatures. Can 10W 40 be used instead of 5w30? 5w30 implies that the specified oil has a thinner consistency in cold weather; however, itd still perform the major function, which is to protect the engine at different temperatures, while also lubricating the moving parts to prevent friction. The 10w-40 is to thick and will not flow as well as 5w-20 which will result in more wear at start up since the oil will take longer to circulate. No, every manufacturer has a reason for specifying a particular type of oil for their various car models. But let's try to get to the bottom of this issue. Thus, if you reside in a below-zero climate, go for 5w20 oils. Old engines tend to heat up very quickly. What Bad Will Happen if You Put 10W40 Instead of 5W30? Well, if you put 10W40 instead of 5W30, your car engine will face a different problem. We believe that you should never use 10w40 instead of 5w30. If you drive the vehicle in exceptionally cold weather, well below 32 degrees, you can use 5W-30 oil but even 10W-40 is still perfectly OK to use if outdoor temperatures are below freezing. However, 10w40 is better suited for hot weather or heavy loads. But for this, firstly, you have to understand the relation of viscosity of motor oil with its performance in different situations. 5w30 is less viscous while 10w40 is more viscous. The 40W hot visc is a complete non-issue. When you use the wrong oil for your engine, youd likely notice a significant drop in performance, and over time, your engine or its components may start to break down. Here we will end our discussion, You should never use 10w40 instead of 5w30 unless your car accepts the motor oil. Moreover, the oil would get thicker and could not reach all the components when you start the engine. If you use 10w40 in an engine for which 5w30 is recommended, then you will get poor engine performance in winter. However, 10w40 is better suited for hot weather or heavy loads. Some parts of the car need a thinner film to protect it from external influences, while others need a thicker film. You may become confused due to the many differences between the oil requirement of two of these engines. 5w30 vs. 10w40 Engine Oil: Differences and Can You Swap Them? When buying motor oils, it is good to consider options from top brands because they are typically made with OEM-approved, premium additives. It is advisable to use a 10w40 oil if the temperature of your city is below 30 degrees Fahrenheit. Once again, be sure to check your vehicles user manual before changing any oil as some might not be compatible with everything. They are more useful for larger engines with special viscosity requirements, but the case is different for 5W30. When components of the engine have to rotate in a dense environment, then more power will be lost. 10W30 oil and 10W40 perform the same at cold temperature startups. If it's Winter, 10W30 would make your engine perform sluggishly as the thick oil would struggle to lubricate the engine components. Further, the oil will become less viscose and would not lubricate the engine components appropriately. Can You Buy a Random Brand? Copyright 2023 Auto Care Aids | All Rights Reserved. Car Brake System Parts Explained in Detail. Once youve done this then youll be glad to know that you can use 10w30 instead of 5w30 with no problems. (Answer Explained). 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. 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. You can use 5w30 instead of 10w40, but its not the best idea to do so, and well explain exactly why. Nov 29, 2009. You are not supposed to use different-purpose oil in your engine. So, it is best for vehicles running in cold climates to use the 5W30 since it is thinner than the 10w30. Its not recommended to mix oils as this can cause a lot of damage to the inside of your vehicle. The 20W indicates how quickly the engine will start when cold or in cold weather. We also get from the number that 5w10 has a viscosity index of only 5 at low temperatures, which is half the viscosity of 10w40 at low temperatures. The recommended oil for all Toyota engines is 5w30 motor oil. Lots of people trust aftermarket parts more than, Read More Do You Know Who Makes Toyota Oil Filters? Also, the letter w refers to winter or low temperature. In comparison, 5w30 is slightly thinner and does not cling to the components. The number of the oil is showing a lot of different viscosity in high and low temperatures. 10w40 brings its best in relatively cold weather to manageable hot weather. But, the differences are inevitable when the temperature rises. But 10w30 becomes like SAE 30 at a higher temperature and works best for your lawnmowers. So, for your lawnmower, which mainly recommends oil like SAE 30, the newer version of these lawn mowers recommends 5W30 and 10w30 oils. Always check your user manual if youre thinking of switching oils and if you still cant find the answer then take a trip to a reliable mechanic to see if they can help! What Is the Difference Between 5w30 and 10w40 Oil? 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. (Answer Explained)Continue, As an Amazon Associate, I earn from qualifying purchases. The manufacturers thus choose a good thumb or rule-. Also, not all cars in hot regions use 10w40. But when choosing the viscosity, be guided not only by the mileage of your car, but also by the recommendations of the engine manufacturer. Can You Use Regular Gas In Lawn Mower Engines? The 5w30 however will give you better mileage if its older as its thinner. Which engine oil is best? Save my name, email, and website in this browser for the next time I comment. 5w30 is suitable for small engines due to its features, viscosity, and lubricant. But, this is not applicable everytime as both the oil can sometimes be used in the same engine without any problem. 10w oil usually has fewer viscosity improvers. For example, the 10w40 motor oil will cling to the moving part of the engine more than the 5w30 motor oil. So, does this imply that what determines the oil to use for your car is the temperature of your city or state? Viscosity Engine Oil 5w30 is used to lubricate and cool the internal components of the engine. (Answer Explained), Dexron 3 vs. Dexron 6: Comparison and Details, Do You Know Who Makes Harley Davidson Oil? 5W40 vs 10W40 - Differences 1 What happens if I put 10W40 instead of 5w30? For example, 10w30 synthetic motor oil might work better than conventional 10W-40 oil to protect your engine pistons and bearing. And these temperatures are present on the cylinder walls and on the exhaust valve stems. Its higher viscosity at running temperature can reduce engine effectiveness as it'll need more energy to keep the engine operating. It offers higher friction and instead of reducing the wear and tear of moving parts, it enhances it. Follow the recommendation of the car manufacturer. A motor oil offers the needed lubrication for the moving parts of any engine. Oils with the same high-temperature index SAE may have slightly different viscosity within the limits set by the standard. On the contrary, 10w40 with its higher viscosity is designed for warmer conditions. bobistheoilguy.com, autocareaids.com, forums.overclockers.co.uk, theydiffer.com, pakwheels.com, blog.zeuspng.com/, forums.anandtech.com, motoraudit.com, quora.com, itstillruns.com, lubricants.totalenergies.com, Copyright 2023 YourGreatCar.com | Powered by Astra WordPress Theme. So, they wont be able to cool off the engine parts effectively. 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. 10w-50. Since these oils are designed to work under different conditions, so they function differently. 5w30 oil is especially well suited to vehicles operating in cold climates. Read also >> Difference Between 75w90 And 80w90: (5 Key Differences). 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. The recommended oil for all Toyota engines is 5w30 motor oil. Do not run more than this. The viscosities of multigrade oils 5w20 and 10w40 vary depending on the temperature. It should be clear that a car needs both thin and thick motor oil for optimal performance. The rule of thumb here is to use 5w30 motor oil if your owners manual would recommend 5w30, and you should use 10w40 motor oil if your owners manual recommends 10w40 motor oil. 5w30 oils are lighter than 10w40 oils, but they are recommended (each) for different situations. OTOH, the oil has a pour point of -39 (F and C are the same at -40), and will still pump with ease. The 10w30 motor oil can be used in most automotive petrol or diesel engines. This will leave you with an unlubricated engine as well as a clogged one. So, you can expect an improved mileage with it in hotter temperatures. For example, a 10w40 motor oil will be a lot thicker at startup than the 5w30 motor oil. This will result in less fuel efficiency, less horsepower, and more engine damage because it will have to work harder to rotate. On a quick note, you could actually use a different oil (not the recommended in your cars owners manual) and nothing would happen to your engine at least not that moment. It is essential to put the correct and recommended motor oil in your engine to do good for your engine. 10w40 motor oil is not recommended for Nissan engines. But to answer your question, no you cannot use 10w40 instead of 5w30 because of the different viscosity levels. Thinner oils give you fuel economy, thicker oils give you more protection. READ SOMETHING ELSE A 10w40 is a thick oil, and as such, it wont flow too easily regardless of the temperature. A 5w30 motor oil is best used for high mileage vehicles. Is 10w40 good for cars with higher mileage? What happens if I put 10W40 instead of 5w30? 10w40 oils are not made for smaller engines. Which is Thicker? When you change the oil filter, change the oil as well. I've been working in my own auto repair shop for the last 13 years, and now I want to help you here, on my blog. The air-cooled system doesnt have any filter because the unnecessary elements of the oil are directly exposed to the engine. It is always best to follow the user manual for the optimal performance of your car and its engine. 10w40 motor oil is not recommended for Nissan engines. In addition, using thicker oil like the 10w40 motor oil will also provide the engine parts a lot of lubrication. A 10w30 is an all-time suitable oil for your lawn mower no matter what is the temperature. Where 5w30 is the best low viscosity oil for colder areas, 10W40 is the best high viscosity oil for hotter regions. We all know about Polaris oil. A thick motor oil like 10w40 will provide a more solid lubricant and compensate for the excess wear of high mileage engines. While 10W40 and 5W30 motor oils may appear to be very similar, they are actually designed for different types of engines. The 5w30 motor oil has a viscosity of thirty (30) in high temperatures. Operating conditions. It will increase your engines work capacity, HP, RPM and many more. Core components of the engine are used to a certain limit of friction. Basically, oil specifications by engine manufacturers are a tradeoff, your engine might even perform better with an oil type not recommended by your car engine maker. The primary purpose of engine oil is to protect your engine. An engine is nothing but a combination of components like rings, pistons, and cylinders. Harley Davidson is a brand that people trust, Read More Do You Know Who Makes Harley Davidson Oil? Does it affect performance? You must have heard of the Honda oil, Read More Who Makes Honda Oil Filters? The 10W40 will just work well with your motorbike. But, using them from the very first time you bought your lawnmower till the end is not recommended. This is because a thinner oil like the 5w30 motor oil will be providing less friction to the engine. Hence, using thicker oil will go heavier on your pocket as well. The first number, 10, tells us the cold temperature tolerance power of this oil. If we talk about the viscosity of the oil, 10W-40 is a bit thicker than 5W-30. You can use them interchangeably and would not likely even notice a difference at all unless it got really cold, then youd find the 5w30 most likely cranking easier at cold start. . My friends and I created this site to tell you a lot of useful things from the world of cars. You are not supposed to use different-purpose oil in your engine. People are also confused if it is right to change them both. No! ), F1 Engine Cost: How Much Does An F1 Engine Cost? This will make your engine lose lubricity and increase engine wear and friction. For each engine, there is one manufacturer's suggested configuration of engine oil. Can I Mix 10w30 and 5w30? Motor oils have different weights, and the difference in weight is for a reason. There are four types of engine oil. Can I put 10w40 instead of 5w30. Be careful; you do not destroy it by experimenting and switching to different oil. I'm the guy responsible for ensuring honest, informative, accurate and helpful guide to the reader. But, of course, suppose the temperature is lower. First, they measure the parts that need higher viscosity and the parts that need lower viscosity oil. The lower the W number the better the oils cold temperature/cold start performance. If you do ever find yourself driving in a much hotter climate and know youre going to be there long term then it might be an idea to switch to an oil with higher viscosity. If you drive in exceptionally cold weather, well below 32 degrees, you can use a 5W-30 oil, but even 10W-40 is still fine for use in sub-freezing outside temperatures.. In heavy vehicles, 10w40 is already the recommended engine oil. Viscosity improvers help the oil thicken in high temperatures but this does not improve the lubrication of the oil in any way. The last number, 40, tells us the hot temperature tolerance power of this oil. If the car has a very powerful engine, then you can try your luck with 10w40 instead of 5w30. However, judging by its number, it is much thinner than 10w40. If you do not drive often and your engine sits idly for a time, 5W30 will also work great here. My name is Hank, and I've been in the automotive industry for 27 years. So, when you use non-recommended oil for a car with higher or lower viscosity, you run the risk of choosing the highest tradeoff. For instance, 10w40 with a higher viscosity level is thicker and weightier than 5w30. No! As an Amazon Associate, I earn from qualifying purchases. Difference Between 75w90 And 80w90: (5 Key Differences). Although both of the oil have nearby numbers mentioned, they still have differences. This is why its best not to mix oils as you will essentially be left with an oil that cannot do its job in hot temperatures and eventually at all. At colder temperatures, like in a resting engine, the flow rate is bound to be lesser. 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. Or, in the case of diesel engines, the piston is compressed up to the point of self-ignition. If you are not finding the exact one only then, you can consider switching between engine oils. It can run through critical engine parts without causing too much friction or engine wear. Related Posts: Can I Use 5w30 Instead Of 5w20 In My Honda? However, 10W-40 engine oil is more viscous in hotter climates and has a better temperature spectrum. Most modern oils are 10W40 or even 5W40. If you use 10W40 oil during periods of a cold engine running, the molecules of this specific oil might be too big to enter between the metal parts of the engine for proper lubrication, hence leading to damage. Cars With 3rd Row Seating And Good Gas Mileage, ACDelco Gold 48AGM 36 Month Warranty AGM BCI Group 48 Battery, Black, Optima Batteries 8020-164 35 RedTop Starting Battery. With a powerful engine, you can take a chance. Instead, it happens due to the filter in such engines that makes the oils contaminant separate from the machines. Can I Use 10W40 Instead Of 5W30? Therefore, your car may experience a certain amount of inconsistency. The motor oils cold viscosity is essential because it will dictate the lubrication. Thus, 10w40 motor oil is preferred at higher temperatures because its viscosity at low temperatures is quite high. But when the temperature is higher, both motor oils similarly perform their intended functions (using the same viscosity). However, 10w40 is better suited for hot weather or heavy loads. Because the viscosity of all the oils is almost the same ata lower temperature, a higher temperature becomes problematic as viscosity increases in some oils. We have seen many car owners interchanging between 5w30 motor oil and 10w40 motor oil. What happens if you put car oil in a lawnmower. Duralast Gold vs Platinum Car Battery: Which Is Better? One most common type of difference between the two of them is their viscosity. Answer: There is absolutely no need to switch to 10W-30 motor oil in the summer if 5W-30 is an acceptable grade for your engine . But you cant apply two different motor oils for the cars simultaneously. Thicker and high viscous oils give more mileage as we have already got to know that 10W40 is a thicker oil. So, 10w40 can be used as a temporary type of oil for your lawnmower if unavailable of the lawnmowers recommended. heather o'rourke death spielberg,
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