Bottom Line. Or this. If you mix 2 quarts of 5W20 and 3 of 10W30, it will come pretty close to the viscosity of 5W30 which can ensure a good performance for your engine. With Shell Rotella T5 10W-30 synthetic blend, you get the strong wear protection of a 15W-40 with the added benefit of fuel savings. However, it may void your warranty if you tell the dealer about it. 25 qts of 5-30. Unless you are experiencing some very cold, and I mean VERY cold temps, 10w30 will work fine. Key Point: If you mix 5W-30 oils, change the oil entirely as soon as possible. So you can use 5w30 motor oil for your engine because it is recommended and suitable. Manufacturers designed these oils to protect the engine while warming up. Both oils are good for modern engines, and you can get them in. The recommended motor oil for Nissan vehicles is 5w30 and 10w30. Germantown TN 38138. However, using thicker oil than recommended will put more stress on the engine resulting in premature wear of engine parts and poor fuel economy. The difference between 10W30 multi – grade and straight grade oil is that it has been formulated to provide a 10W viscosity at very low temperatures to aid in cold-cranking in heavy engines. The EC product is a heavier 30wt than most others, & meets ACEA A3 specs. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Can You Mix 10W30 And 10W40 Motor Oil? You should avoid mixing 10W30 and 10W40 motor oil whenever possible. 5w30 can be used in temperatures ranging from high to low. Winter-grade oil stays thin even as temperatures drop, which means it will flow straight to the engine at. 7, you can run either 5W20 or 5w30. Posted on January 5, 2023 September 25, 2023 Author admin Tags accidentally mixed 5w30 and 5w20, can i mix 5w30 with 5w20, can i mix 5w30 with 5w20 synthetic, can you mix 5w20 and 5w30, can you mix 5w30 and 5w20, can you mix car oil, mix 5w20 and 5w30 Post navigationIf you are concerned get the thicker syn to mix in the blend and call it a day (i. 4°C) and down to -10°F (-23°C), use 10W-30. It is possible to combine 5W-30 and 10W-30 engine oil, but it isn’t necessarily the best option. It’s worth remembering that 10W-30 has more density than 5W-30, so make sure you pour an appropriate amount when mixing. 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. Therefore, they will flow in the same manner. But since the concentration of whatever waxes in the 10W-XX is diluted, it would seem like the viscosity would be lower due to the 0W-XX component. Most oils will mix perfectly, provided they have a similar synthetic. Stick to one type and viscosity rating. Mixing will not change the behavior of the waxes in the 10WXX oil. Now, did Lexus spend all sorts of money. Therefore, they will flow in the same manner. They are both multi-grade oils and are compatible with each other. was the standard, I call it a 5w-30 engine so we can compare what the manufacturer called for when new (and back when oil was not what it is now) to what. You can mix them and use them accordingly. However, remember that you will not have a better performance, and this mixing is not recommended. It gets really interesting when adding multiweight to straight weight. Yes, you can use 5W30 instead of 10W30 in a lawn mower, however the oil type, viscosity and quantity should be based on the manufacturer’s specification for the lawn mower. That said, there is no issue in using two different oils in an engine. Q. The 5W-30's are in the 10's. However, you should use the same grade and type of oil. Mahzurrah! Mar 5, 2021. So we wind up with 8. Yes, you can mix 5w30 and 10w30 without a second thought. Yes, it is perfectly safe for you to mix 5W-30 and 10W-30 engine oils. By industry agreement/specification, all brands of oils will work fine together. Theoretically it is not advisable to blend oils. If you want something thicker you should mix the 10w40 with the 5w30. So, 5w30 and 10w30 oil can be mixed without causing any harm, so you can do so. of oil to one gal. How to Mix 10w30 and 5w30. At operating temperatures, both oils will have the same viscosity (30) and will flow and protect identically. No Doom and Gloom will result. Engines run fine!0. 20W40 oils on the other hand work better at a bit higher temperature. The 5w40 motor oil is recommended in performance engines. However, it is crucial to check your vehicle’s owner’s manual to ensure that 10w30 is the correct weight for your car. 5 and and 2. But in winter, it becomes difficult to run a snowblower in ice with 10w30. Still best to use the oil type weight recommended by the OM. Dec 17, 2016. . It impacts the resistance of the engine to oil flow. #4. The blend would have to be tested to get the low-temperature viscosity rating. They will blend perfectly. It will not damage your. I'm about to do a super frankenblend in my moms car to use up my leftovers. There is minimal viscosity difference between 5w30 and 5w20. Yes, you can mix 5w20 and 5w30 engine oils. From Shell. However, doing so is not ideal if you want to reap the benefits of what the motor oil brand intends. Mixing the two oils could cause you to have. SAE 30 motor oil is only used for warm temperatures and 10w30 motor oil maintains its viscosity in both warm and cold temperatures. WHAT ABOUT MIXING ENGINE OIL BRANDS? Yes. The 10w30. Obviously, a 10W-40 is thicker than a 10W-30 at high temperature. Potential Issues with Mixing 10w30 and 5w30. But he has some 10W-30 in his garage, so he uses it to change the oil. It slightly reduces fuel efficiency. Unless the OP is exploring near the cold end of the "W" part of his oil fill, there's no difference. Both have the same viscosity at higher temperatures, but 5W30 is slightly thinner than 10W30 at cold temperatures. Can you mix 5W30 and 10W30 engine oils? Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. I would definitely use SS 5w30 over sae 30 in a snowblower. One of the most common questions is whether you can use 10w30 instead of 5w30. Thicker oil has a high viscosity, and thinner oil means low viscosity. However, with so many different types of oil on the market, it is important to test each oil individually. On the other hand, the 5w30 oil is also excellent and efficient. Before making a decision, it is important to know the technical specifications of every oil type. It improves fuel efficiency. Yes, you can mix them. But it’s not necessarily ideal. (Explained) Can I mix 5w30 with 10w30? Well, many drivers often think it is good to pour 5w30 oil with 10w30 oil. In fact, because of its wider viscosity range and steeper viscosity curve, 5W30 likely does not thin out as much as 10W30 when ABOVE normal operating temperature. I have a bit of 5w-30 oil left and I was wondering if I can mix 1 liter of 5w-30 to my 4 liters of 0w-20 oil. Mobil 1 Advanced Fuel Economy 0W-30 provides the high temperature protection of 5W-30 and 10W-30 oils while offering improved fuel economy. Can 10w30 engine oil safely be used in place of 5w30 for a 2003. Canada. Due to their common winter viscosities, there are unlikely to be any differences in the cold temperatures. While it is possible to mix SAE 30 and 10w30 oils, doing so can impact the overall performance of your lawn mower. 5. In warm climates, they will act very similarly. The answer is yes; you can mix 5w20 and 10w30 oil. SAE 10W-30 is far too thin to provide protection in a 2 cycle engine, and it contains the wrong additives that can cause ash deposits and plug whiskering. Can you mix 10w30 and 5w30? General speaking, mixing 10w30 vs 5w30 oils should not cause issues as both have similar viscosities at operating temperatures. (the first number is cold viscosity and the second number is hot viscosity -- bigger numbers. For a multiple viscosity oil, the first number is the viscosity when it is cold and the second number is the viscosity when the engine has reached its operating temperature. It’s thicker, uses less fuel, and is better suited to a hotter climate. 5w30 is used for light-duty engines while 10w30 is used for engines which carry heavier loads. Mixing 10W30 and 10W40 Motor Oils. So a lot of drivers are already doing it. As a result, you will need a few quarts of 5W20 and one of 10W30. However, be mindful that mixing synthetic with conventional oils could damage your engine. #5. Sure you can, as long as either viscosity is suitable for your engine. Let’s take a closer look. (the first number is cold viscosity and the second number is hot viscosity -- bigger numbers. Additionally, the mixture of 5w30 and 10w30 could lead to various issues. When looking for SAE 30 oil replacements, you should ensure that the equivalent has the same flow rate as SAE 30 at a normal operating temperature. This motor oil is used for internal combustion engines found in lawnmowers, motorcycles, powering cars, and another list of machines; how an engine works is accompanied by. 5w30 on the other hand, is a multi-grade oil that has two ratings. Mixing motor oils can result in unpredictable viscosity levels and decreased performance. Add to that, being synthetic is an extra margin of safety. August 15, 2012. So, Can you mix 5w30 and 10w30? Yes, you can mix 5w30 and 10w30 oil. If you mix that oil, which chemically has no issues at all oh, the 5 W 30 oil will behave like 5 W 30 oil and the 10 W 30 oil will behave like 10 W 30 oil. So in the 5w30, we have 25. W means winter. . In cold climates, the viscosity of 5w30 is 5. Location. Yes, you can mix 5w30 and 10w30 oil, but it is not recommended. They have similar ingredients other than the viscosity level. As such, mixing synthetic and conventional oil is okay sometimes if you don’t do it frequently, but otherwise, frequently mixing together can affect their performance. As a result, you have the option of mixing the two oils. You can’t mix the two because they aren’t of the same grade. K. 10w30 vs 20w50 Chevrolet . It is advised that 5w20, 5w30, or even 10w30 motor oil be used in some Chevrolet engines in summer. If you mix together a 5w-30 and 15w-50, the more volatile 5w-30 is still going to evaporate at high temps, and the resulting mixture will probably not flow quite a well as a 10wt at low temps. Michigan. If you buy the engine oil and find it rated 10w30 or 5w20, you can rely on them. So I would think its ok in that engine as well. While it is generally safe to add or mix a few volumes to top up your oil, we still advise doing it in an emergency case only. The 10w30 will be thicker during cold starts than 5w30, but once the engine warms up, their viscosities are similar. The 5w20 oil is significantly thinner than the 10w30 oil. Yes, you can use 10w30 instead of 5w30 engine oil. The primary difference between 10w30 VS 5w30 oil is their viscosity. However, your car may not function the same in colder temperatures. Oil should be changed after the first 20-30 hours of operation and every 100 hours of run time thereafter. It won't harm your engine to mix, for example, Quaker State® motor oil with Pennzoil, as long as the oil you use is the weight (or viscosity) recommended in your vehicle owner's manual. 2cst M1 5W30 has a KV40 of 61. Takedown request|View complete answer on jiffylube. What You Should Know About Oil Thickness At Different Temperatures. 5w40 motor oil has a winter viscosity grade of five, for example. . of gas). The 0w30 motor oil is a special kind of motor oil. Both oils have almost the same viscosity and the same operating range. As 5W30 is a thin oil, mixing it with 10W40 will give you a much thinner oil. As such, mixing synthetic and conventional oil is okay sometimes if you don’t do it frequently, but otherwise, frequently mixing together can affect their performance. Reads 70. 5w40 motor oil has a winter viscosity grade of five, for example. The engine is the 1999 5. If you are a practical person, just go ahead - after all it is your car. Cummins stipulates 20086 for you ride because of DPF and SCR issues. 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. Quaker State. 10w30 – has a rating of around 5. 10w30 is for the summer and spring seasons. comCan you mix differe. In the case of lawn mowers, two-stroke engine oil is mixed with the gasoline before it goes into the tank. 5w30 is a multi-grade oil, on the other hand, sae30 is a monograde oil. -for at least the last 40 or 50 years. 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. #5. So, it’s not suitable if you mixed 10w30 oil with 5w30. To summarize, when looking at 5W-20 vs 5W-30, their viscosities when cold will be the same, but the 5W-30 will be a little thicker at operating temperatures. However, the coolant in the oil definitly needs to be addressed. 3, Ur 5w30 might be Cst 10. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing them. Hi geeeman , Actually, if the vis change was a straight average of the different vis ranges, then a 50/50 mix of 5W-30 & 15W-50 would yield a 10W-40. In some cases, mixing 5W20 and 10W30 can actually cause engine damage. Better In Cold Weather. You can also use 10w30 motor oil in cold weather, but it is preferred in hot weather. 5w30 oil has a lower viscosity than 10w30, making it slightly thinner. Mixing oil based on viscosity does not affect engine performance. In the cars I mix 1 qt of Mobil 1 T&S 5w-40 with either 4 qts of Mobil 5w-30 or Mobil 10w-30, so thinner is again fine. These oil grades have similar characteristics, with the main. It can provide the user with noiseless and smooth gear and clutch operations. Navigating the world of engine oils can feel like traversing a maze, especially when you’re trying to determine the best choice for your lawnmower or generator. As such, mixing synthetic. 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. SAE 30 is a single-grade, while 5W-30 is a multi-grade motor oil. 3 to get the second number. Engine oil that is not rated for use in Diesel engines will not last and will severly damage an engine. 5 and and 2. If you live in a region that experiences temperatures below -20 degrees Fahrenheit, however, you should use 5W30 engine oil. These two oils have different viscosities, which can. These two oils are a perfect blend with almost identical viscosity. However, do not mix different grades of oil together. Or 10w30 into 5w20. Yes, It’s safer to mix 5w20 with 5w30. However, it is still not advisable since it may void your car’s warranty. Yes anytime with a new small engine or really any engine you will get some silver like that in the oil but after a few changes it will go away. On the other hand, the 0w30 motor oil will break down faster than the 10w30 motor oil. I have blended Valvoline VR1 10w30 and 20w50 before, and it has worked OK, but I never tried a true. 5w30 oil is thinner than 10w30 oil because of its lower viscosity. Mixing ratios of gas to oil vary, but usually range from 30:1 (4-1/4-oz. When motor oils mix inside the car, the engine would still run properly, but not as efficiently as it used to. When you add 10W30 to a 5W20 engine, the 10W30 separates and does not mix well. There isn’t a big difference between 5w30 and 10w30, but they have different viscosities. Yes, you can mix 10w30 and 5w20. Mixing SAE 30 and 10w30 is a terrible idea and might have you counting losses. August 15, 2012. It means that SAE 30-grade motor oil cannot be used in the engine if you’re driving a vehicle in.