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. With what we’ve explained above, the simple answer is YES, you can mix 5w30 and 10w40 oil without bothering of any catastrophic engine damage. They are both oils that are generally safe for use in your car. either 50:50 or even 3:1 for a 5w27. Odd, I'm running a 0w30 GC / 5w20 gtx HM mix myself in one of my mowers that calls for 10w30. If you mix two different oils with two different viscosities, you are doing something that is not recommended. It calls for 5W-30 motor oil. Mixing 10w30 and 5w30 can be done safely in certain situations. The only difference between the two oils is the low temperature point, with the 5W-30 functioning slightly better than the 10W-30. The answer is yes, you can use 10W30 oil in your air compressor, but there are some things you should know about this type of oil. #5. It’s always essential to consult your vehicle’s manual or a mechanic before making any. Available in 15W-40, 10W-30, 5W-30, 30, and 10W. There are three types of oil that are best to use in a lawn mower. Additionally, while both options have similar high-temperature viscosity, 5w40 tends to be more versatile due to its thicker consistency. Mixing 5w30 and 10w30 will bring zero advantages for you. However, because it is thinner it. See moreWell, the answer isn’t quite as simple as a yes or no. Use a high mileage 5w30 in the winter and 10w30 in the summer. i have a 2006 Mercedes-Benz and when I got oil changed they put 5W/30 and they told me I had a slight leak in pan but the last 3 weeks have had to add 5W/30 every week and light is still coming on saying it's low, before I got oil changed it, I had no problems. Most engine oils will have little trouble mixing with one another. With what we’ve explained above, the simple answer is YES, you can mix 5w30 and 10w40 oil without bothering of any catastrophic engine damage. The viscosity of oil is closely related to its thickness. As a result, you will need a few quarts of 5W20 and one of 10W30. When mixing the two types of oil in different weights, the technique is to. roy1 Discussion starter. Other common types of motor oils used in lawn mowers include 10w30, synthetic blend and straight-grade SAE 30. Originally posted by Ken2: Mobil 1 0W-30, 5W-30, and 10W-30 are basically one formulation, and 0W-40 & 15W-50 are somewhat different formulations. Oil should be changed after the first 20-30 hours of operation and every 100 hours of run time thereafter. More expensive to make so they charge slightly more. Mixing 5W30 and 5W20 is perfectly safe. 5W30 is a multi-grade oil with a viscosity ranging from 5 (lower) to 30 (higher). On my last change, I mixed a 5W-20 with an HDEO 5W-40 and then topped up a bit with some 5W-30. How to Mix 10w30 and 5w30. One year, I had some 0W30, and I used that. But to explain further, the. Shell Helix Ultra Fuchs Titan GT1 Motul X-Clean 8100 Triple QX Full Synthetic I. So (30+30+25)/3 = 28. 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. Bestseller No. Now when things cool off in the fall, I'd want to drop it back to 10W30 or 5w30 depending on the low temps you see. If you. If they are of the same synthetic type, they can mix together without any issue. Temperature Guide for Oil Types. The initial recommendation for 10w30 on the 4. The engine will never notice the difference, and you or your friend won't either. What oil Can you mix with 5W-30? These two motor oils are very similar in viscosity; hence, they might mix perfectly in your engine. This is a mixture of 8 oz. The main difference between 5w30 and 10w30 is that the latter has a higher Viscosity Index (VI) than the former. As a rule of thumb, for a modern (API SM) SAE 30 I think if winter temps in your area routinely drop into the lower 20F range (or lower) you need to use 10w30 or 5w30. Can I mix in 5w-30 oil with 10w-30 oil? Mixing 10W30 and 10W40 Motor Oils. I think you're better off looking at the hot cSt of what you're starting with. They are both multi-grade oils and are compatible with each other. Last oil change I used 2 quarts of 5w-30 G-Oil and 2 quarts of MS5K HM 10w-40. Can you mix 5w30 and 10w30? Yes, why not! You can use a mixture of 5w30 and 10w30. #9 · Mar 3, 2014. At best, if you mix say a 10W40 and a 0W20, you will get a 10W30 at 50/50 ratio. They can’t be mixed during low temperatures. Both these two engine oils will act similarly. In the 10w40 we have 30. Another reason that mixing viscosities doesn't give you an average of the two is that each viscosity has a range it fits into. Yes, you can mix 10W30 with 5W30. Engines run fine!This is because both 10W30 and 5W30, meet the SAE standard for viscosity at engine operating temperatures. These oil grades have similar characteristics, with the main difference being their cold-temperature flow properties. These oils can start your engine at cold and normal temperatures of about 210˚F without compromising your engine’s efficiency. I would recommend using the 10w30 engine oil as recommended by case. I may run 10w30 in my Tacoma when the next interval is due. So I hit on the brilliant idea of mixing 10w30 with 20w50. Any quality CK-4 oil can be used in that motor. Nebraska. If your oil needs to be topped up, you are burning oil already so that the difference won’t cause any damage. Both have the same viscosity at higher temperatures, but 5W30 is slightly thinner than 10W30 at cold temperatures. 5w30 – 5w-30 counterpart registers 9. By the time you finish reading this guide, you’ll know under what circumstances it’s a good idea to attempt mixing regular oil. g. Aug 28, 2019. Since oil 10W-30 has a higher number before ‘W,’ it won’t flow as quickly as 5W-30 at a lower temperature. Just like mixing oil brands would change things that could affect. #9. So a lot of drivers are already doing it. Synthetic 0W-30 will be shear-stable and retain its 30 weight, unlike conventional 5W-30, which shears to 20 weight. But there is a difference in the density of both of these oils. You should also be aware of the technical specifications of each type of oil before making a decision. C. Is It Okay to Mix 10w30 and 5w30 Motor Oil? In general, it’s considered safe to use 10w30 and 5w30 interchangeably as long as you follow the manufacturer’s oil. If you lived in Siberia, I would be a bit more. The main difference between SAE 30 and 10W30 motor oil is the viscosity. Before using the 10w30 you just bought in place of your old 5w30, make sure the old 5w30 is completely removed. Well, mixing won't hurt a thing. 10w30 is optimal in a hot engine up to 212℉. Although 5w30 is less dense, their viscosity is similar, and their combination is perfect. Been doing it this way for 10+ years. You can’t mix the two because they aren’t of the same grade. If the deal is really, REALLY good, the I'd also buy all the 10W-40 I could stash/stand having - DS oils are really good in all grades, and. Can You Mix 10w30 and 5w30? It is technically feasible to combine 5W-30 and 10W-30 engine oil, but this may not be the ideal option. Mixing will not change the behavior of the waxes in the 10WXX oil. While it’s not ideal, it is generally safe to use 10W-30 oil in place of 5W-30 oil. If the temperature reaches even higher levels, the 10W30 will not be very efficient and you should go with the 15W40 oil. So is it okay to mix the heavier 10w30 oil with 5w30 oil? Yes, you can mix these two oils if you are topping up. Read on for a guide on how you can mix 10w30 and 5w30 oil. The answer is that ANY one can be used regardless of the vehicle owners manual recommendation. It will be thicker than M1 0W20 2. With these factors in mind, combining two different engine oils could result in a discrepancy in the physical properties of the oil, as well as how it performs. 2465 posts · Joined 2010. However, all the snowblowers are different and vary from brand to brand. Here’s a look at 10w30 and 5w30 and how they affect your engine. In short, you can’t mix 10w30 and 10w40 oils unless you are in an emergency situation where mixing is the only option. The answer is yes; you can mix 10w30 and 10w40 oil. G. Aug 2, 2011. If you live somewhere with extremely low temperatures, go for a 0W-20, 0W-30, or 0W-40 oil. 30 weight goes from. The comparison table between 5w30 and 10w40 is given in the below table: 5W30. Have an oil change coming up. 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. 10w30 oil is thicker and heavier than 5w30 oil because it has a higher viscosity at low temperatures. Yes, you can mix 10w30 and 5w30 engine oil. First,. The viscosity affects the thickness of the oil. In short, the only thing they say is ok in terms of mixing, is topping off with the same grade of oil. So, we can say you can mix 10W30 with 5W30 safely and perfectly. For example, can you mix 5w30 and 10w30 oil? Is mixing oil weights bad? In general, mixing oil weights is not recommended. The recommended motor oil for Nissan vehicles is 5w30 and 10w30. Since the thinner 5w20 oil lower combustion range of -30° to 35° Celsius. Over the last 3/4 years I have gathered a few 1l bottles of oil from various places. Apr 15, 2022. The owner’s manual for your lawn mower lists the mixing ratio of gas to oil. When motor oils mix inside the car, the engine would still run properly, but not as efficiently as it used to. But you know which oil type will work better. No, 10W30 is not thicker than 10W40; instead, it is the other way round – 10W40 is thicker than 10W30. On the other hand, “5w30” means the oil weight is “5” in cold temps and “30” in high temps. What About Mixing Different Brands Of Motor Oil? For example, assume that you are using Quaker State 5W-30 in your engine and for whatever reason, you need to add oil during a long trip and only Valvoline 5W-30 is available. However, conventional oil will detract from the superior performance of synthetic oil and reduce its benefits. 3, Ur 5w30 might be Cst 10. However, 10w-30 oils tend to have significantly lower volatility than 5w-30 oils. I would definitely use SS 5w30 over sae 30 in a snowblower. 4°C) and down to -10°F (-23°C), use 10W-30. 10w40 oil is a thicker oil than 5w30. I would just use the 10w30. Which Oil Is Thicker 5w30 or 10w30. Hi All. J. Synthetic oil is a blend of different oils, so it is not pure like conventional oil. since there is no such viscosity) since those two oils. The 15w40 motor oil can be used in off-highway diesel equipment, farm. The protection offered by. The main difference between 5w20 and 10w30 Oil is that the 5w20 is thinner and more suitable for low-temperature conditions while the 10w30 is thicker which gives it better protection but also makes it less efficient in cold weather. It is best to use the same manufacturer and stay consistent with it. Moreover, we’ll then look at whether or not you can mix 10w30 and 5w20 engine oils for your car. For most automobiles, the only real difference you'll see is that synthetic costs more. The “W” stands for winter, and it’s a measure of the oil’s flow at 0 degrees Fahrenheit (-17. A lesser-weight oil may often be used with a higher one. Nissan does not recommend these two oils, however you can give them a shot if you want. One alternative is to blend the 10W-30 oil with a 0W-30 oil to create a 5W-30 oil. 10-25-2013, 06:11 PM. Winter-grade oil stays thin even as temperatures drop, which means it will flow straight to the engine. that's why I am asking maybe it will help to go to the 10W/30 Synthetic am I right. of oil to one gal. This article clearly details the difference between these two oil viscosity ratings. The answer is yes, you can mix 5w30 engine oil with 5w40 engine oil as long as the weight of the 5w30 engine oil is greater than the weight of the 5w40 engine oil. Here is a comparison of 5W-30 vs. of gas). Low-horsepower engines often utilize 10w40 motor oil, which is designed to flow smoothly at low temperatures. It can retain its standard viscosity at -16 to 30 degrees Celsius at the temperature ranges. 5W-30 and 10W-30 oils are composed of different additives, which can affect their performance. Thanks to their close viscosity, mixing the two oils will have no damaging effect on the engine. Is it safe to mix different types of engine oils? Mixing. #4. For example, you could blend 5w 30 and 10w 30. There is no danger mixing synthetic and conventional motor oil. However, during cold starts, 10w30 is thicker. Answer: Mixing two different motor oil weights to make your own custom viscosity does not work quite as simply as it sounds. But the resulting oil should still be at least a 5W. . Sure you can, as long as either viscosity is suitable for your engine. I know that the engine is full of 10W-30 oil. #4. 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. 5w30 and 10w30 oils are both multi-viscosity oils, which means they are designed to perform well in a wide range of temperatures. Mixing the two oils together can cause the oil to break down and lose its ability to lubricate and protect your engine. Yes, you can mix 5w20 and 5w30 engine oils. Both oils have different viscosities and characteristics, and combining them can alter the oil’s protective properties and reduce its effectiveness.