The 5w30 when cold will still be thicker than the 10w30 when hot anyways so it doesn't matter. T. The only thing some would recommend is try to keep the mixing to the same brand as supposedly the additives can differ from one brand to another. So, we can say you can mix 10W30 with 5W30 safely and perfectly. Rotella T5 10w-30 or regular Rotella 15w-40 in all the small engines up to 35 horsepower. On the other hand, 10W30 oils have viscosity grades of 10W at lower temperatures and 30 at higher temperatures. 5W30 oil will flow better at lower temperatures compared to 10W30. In the past I have mixed their full synthetic with their GTX to make my own 50% blend. 7. If you live in a colder region, using 10W30 may not be ideal. If, say, AMSOIL Signature Series 5W-30 Synthetic Motor Oil is installed in a vehicle, and the vehicle is later topped off with AMSOIL OE 5W-30 Synthetic Motor Oil, the vehicle will continue to operate just fine. use 10w30 for 4. Say we add a quart of 5w30 to 2 quarts of straight 30 weight. I live in a warm climate and, in theory, 10W30 would be a better choice because of lower volatility (NOACK). The answer may not be as obvious. Pros and Cons of 5W-30 and 10W-30 Oil. 275 posts · Joined 2016. However, the cold weather viscosity grade will increase, making it less. If you want to come up with your own oil mixture, just check the oil number of the two oils. Both oils have the same base composition. I have an hour meter on my mower, and it shows that I use it 60 to 65 hours a year. Amsoil small engine 10w30 Even then SS 5w30 is much better. Madiganistan/Chiraq. ROCHESTER, NY. For example, you can mix 5W-30 oil with 10W-30 oil without problems. The most common engine oil ratings are 5W-30, 5W-40, 10W-30, and 10W-40. 10w30 provides sealing action in the engine due to the fact that it is thicker than 5w30 engine 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. In winter weather the 0W oil will flow like a 0W oil, and the 5W will flow like. In most cases, you can always use the 10w30 oil, but be sure it has the appropriate weight for your vehicle. 10w30 is much denser than 5w30, and the thicker fuel out of the two, making it the more dense fuel. Therefore, it would be best to ask the manufacturer. The ”W” in the two oils stands for winter. To better understand, in a 5W-30 oil, the "W" stands for winter performance. Use a high mileage 5w30 in the winter and 10w30 in the summer. You may notice that ISO 46 can replace both 15W and 20W SAE oils. You may combine 10w 30 and 5w 30. Add in half of your measured amount of 5w40. You can mix 0w3o and 5w30 oil, but it is not recommended. The 5w30 motor oil has a low viscosity of five (5) and a high viscosity of thirty (30). Mixing the viscosity of oils will not have any effect on the engine. Resources Can I Mix 5w30 and 10w30 Oil? So, mixing 5w30 and 10w30 oil will not cause any harm, so that you can mix the two of them. Can you mix 5W-30 and 10w40? Yes, it is perfectly safe for you to mix 5W-30 and 10W-30 engine oils. Although 5w30 is less dense, their viscosity is similar, and their combination is perfect. 5)/2 = 9. As far as we can tell, Mazda engines don’t use 10w30 motor oil. 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. The only difference between 0W30 and 5W30 is the viscosity rating when the oil is cold before the engine warms up. If you're hoping to homebrew your own special blend of 2. If this is indeed the case (you end up with a mix of baseballs and basketballs) I do not see the benefit of mixing i. As far as 0w20 versus 0w30, it will be basically the same weight cold, at startup. I believe the 6. If you’re wondering whether you can mix 5w30 and 10w30 oil, the answer is technically yes – but there’s a little more to it than that. As mentioned, a lot of car drivers are already doing the mixing of both these oils. 10w30 provides sealing action in the engine due to the fact that it is thicker than 5w30 engine oil. Can you use regular oil in a generator? When it comes to lubricating your generator, synthetic oils are superior. of oil to one gal. 5w30 oil is lower in viscosity and there is a small chance of the car not running. To mix and homogenize 5W30 and 10W30 properly, firstly pour 5W30 oil into the engine and then add 10W30. Thus, in colder climates, a 5W-rated oil would offer quicker engine protection during start-up. Well, mixing won't hurt a thing. Starting the engine with warmed up oil is THE way to do it, and makes mixing totally not needed. Or 10w30 into 5w20. Your vehicle’s engine will not fall apart if you mix and match different oils, especially if you need a top-up. Amsoil pricing Is based on their cost. and just buy this quality oil in bulk at a low price. If you add 5W20 to 5W30, the result is an intermediate viscosity, which may not flow easily as the original oil. Mahzurrah! Apr 16, 2023. My thinking was that the comnbined 5w20/15w40 would be a reasonably okay oil for april weather and that I might be getting better cleaning and a better quality oil with the mix vs a straight 5w30 or 10w30, particularly in Auto-RX applications The total cost of these blends will work out to a little less than $1. It can provide the user with noiseless and smooth gear and clutch operations. However, because of the difference in weight (30 and 40), the oils won’t mix properly. While the 5w30 would still flow well in high. Thicker liquids, like molasses, have high viscosity and pour slowly. We’ve established that 5w30 is suitable for cold regions. 0W30 has a lower viscosity than other types and will flow more freely in extremely cold weather -22℉ (-30℃) or lower. It calls for 5W-30 motor oil. Thin liquids that flow easily, like water, have low viscosity. If you live somewhere with extremely low temperatures, go for a 0W-20, 0W-30, or 0W-40 oil. Flow traits and viscosity directly vary with the temperature. Kohler, John Deere, Yamaha, Suzuki, Rotella, Delo, Delvac, Mercury Marine, Quicksilver marine, all suitable, all good oils, all come in 10W30. Since the viscosity at higher temperatures is 30 for both, it is best to swap 5w30 for 10w30 during the warmer months. Which Oil Is Thicker: 5W-30 or 10w30? Both oils have a similar viscosity at 100 degrees Celsius but the 5w30 grade oil will thicken less than 10w30 grade oil in a cold climate. When it comes to 5W-20 or 5W-30 vs 10W-30, the opposite is true: the 5W oils will flow a little better in the cold than a 10W oil for maximum cold-weather protection and easier cold starts. As far as 0w20 versus 0w30, it will be basically the same weight cold, at startup. New Jersey. But the resulting oil should still be at least a 5W. It means the number after W must be 30. 7 Liter , Mobil1 Synthetic SS 5W-30. Learn the difference between 5w30 and 10w30 engine oils, their viscosity, application, and compatibility. Uses of 5w30 & 5w40. There are car drivers who have been mixing 20w50 oil to 5w30 oil and using it in their vehicles. Because of the differences in the two types. The ”W” in the two oils stands for winter. I have to explain this a hundred times a day. Mar 29, 2009. So for the question, the answer is yes. , Mobil 1 5w-30 and Mobil 1 15w-50. Or this. The first number (10w in 10w30) is how well the oil flows cold. It's good to know that the HTHS of a quality straight 30 is 3. The short story is that oils are all pretty much the same at temperature. If you mix 10W40 and 10W30, the resulting viscosity will sit somewhere between the two. So in the 5w30, we have 25. The first number, 5, represents the oil’s thickness or viscosity in low temperatures. Bottom Line. 5w30 vs 0w30 Nissan. 5w30 – 5w-30 counterpart registers 9. Mobil 1 for example, the plane ole M1 synthetic 10w-30 is thinner than the 5w-30 at full operating temperature. 731. Feb 5, 2014 / Mixing 10w30 with 15w40 Kubota oil #5. Synthetic 5W-30 can be used in all temperatures. Synthetic 0W-30 will be shear-stable and retain its 30 weight, unlike conventional 5W-30, which shears to 20 weight. Below 40°F and down to -10°F, use 10W-30. Aug 28, 2019. It’s possible to put in 10w30 oil without removing the previous one, but you’ll notice a considerable decline in performance while the oils try to mix and flow. In other words, it's far more robust than the 3. It is much better if the two oils are. 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. 5 + 10. 7cst), so they are almost a 20-weight. Unfortunately, there is no mention of the 0w30 motor oil and 0w40 motor oil. One year, I had some 0W30, and I used that. 10w30 oil is thicker and heavier than 5w30 oil because it has a higher viscosity at low temperatures. Mixing 5w30 and 5w40 oil is like blending espresso and decaf – you’ll end up with a confused. 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. Personnally, I'd use straight 5w30 in the winter in Ohio. More expensive to make so they charge slightly more. 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 answer is yes; you can mix 20w50 oil with a 5w30 oil. Well since Briggs themselves says that Synthetic 5W30 offers the BEST performance for your engine, you can safely use synthetic 5W30. 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. We would like to show you a description here but the site won’t allow us. Just know that it is not recommended. There are three types of oil that are best to use in a lawn mower. However, it is not recommended to do so. Plus, both of them have the same viscosity at temperatures. If you live somewhere with extremely low temperatures, go for a 0W-20, 0W-30, or 0W-40 oil. The “W” in the oil’s name stands for “winter,” and. Merely, it’s easy to understand that the lower the. A 5w oil is usable down to something like -30F anyway so the temperature is something you will never have to worry about, either. Yes, you can use 5w20 oil on Toyota instead of 5w30. But he has some 10W-30 in his garage, so he uses it to change the oil. What You Should Know About Oil Thickness At Different Temperatures. It requires a combination and mixture of regular oil and unleaded gas with a ratio of 16:1 gas to oil for the first month or first 500Km of riding, and 20:1 once the engine has been broken in. Can You Mix 5W30 and 10W30 Oil? No – you shouldn’t mix engine oils with different specifications like this. It’s not necessarily ideal, but doing so won’t cause harm to your engine. Yes, you can mix 5w30 and 10w30 oil, but it is not recommended. Using 5w40 oil is beneficial to diesel engines. Straight 30w will be thick as honey when it's really cold (that's why it isn't reccommended for winter use), but thin. of gas). 5 puts it into the VERY thin 30 weight range. Yes, you can mix 5w30 and 10w40. Aug 2, 2011. So, due to viscosity, 5w20 is a thinner oil during operating temperatures, whereas 5w30 is thicker during. If you do this a lot, make sure it's the same formulation. 50’s & 60’s era 2 cycle engines used SAE30 grade oil @ 16:1 ratio. Both oils have different viscosities and characteristics, and combining them can alter the oil’s protective properties and reduce its effectiveness. If you want to strike a balance between the affordability of conventional oil and the benefits of synthetic oil, opt for a. Location. W. You WILL NOT get a 5W by mixing a 10W and a 0W. 10W30 vs 10W40, Differences #4: Fuel Efficiency Dynamics. For example, can you mix 5w30 and 10w30 oil? Is mixing oil weights bad? In general, mixing oil weights is not recommended. Stick to one type and viscosity rating. However, 5w30 is much thinner compared to 10w30. But only when both of them are at operating temperature. Low-horsepower engines often utilize 10w40 motor oil, which is designed to flow smoothly at low temperatures. I was told that this was a bad idea and it shouldn't be done. In most cases, combining two oils with different viscosities won’t harm your engine and is better than running low on oil. 5w40 and 10w30 engine oils have similar viscosity. Turf-Gard is formulated specifically for riding and walk-behind mowers, lawn tractors, and other grounds care equipment. The Society of Automotive Engineers determines the viscosity ratings of motor oil. 8 degrees Celsius). If they are of the same synthetic type, they can mix together without any issue. Manufacturer's Defect Warranty. 0. Can You Mix 5W-30 and 10W-30 Oil? Yes, it is perfectly safe for you to mix 5W-30 and 10W-30 engine oils. The choice between 5W-30 and 10W-30 depends on the specific needs of your engine and the driving conditions you encounter. In some cases, it can prevent the oil from circulating through the engine, which can lead to serious damage to your engine. For example, my car specs either a 5w-30w or 10w-30 oil. I would recommend using the 10w30 engine oil as recommended by case. Below 40°F (4. 5, so equal parts give a cSt half way in between (8. Drivers can get used to one car oil manufacturer because of certain properties. If you need to top up your oil in an emergency, it’s best to stick to oil from the same brand to reduce any potential engine damage. 7 was due to excessive shear with 5w30s when the engine was introduced. So, we can say you can mix 10W30 with 5W30 safely and perfectly. Every motor oil in the market has a code, and the code looks similar. You'll find most SAE 30's run 11 to 12 cSt @ 100C. It’s worth noting that using a different oil on your car won’t damage the engine; notwithstanding, it may trigger certain unusual signs depending on your car model. Should I immediately change the oil; should I change it back to 5W-30 in time with my next regular oil change; or can I just continue to use 10W-30 oil? If additional information can help with a verdict; the engine has relatively low mileage (~98k) but it has been neglected (it was recently run for several months to a year with a leaky intake. In my neck of the woods it's usually right in between both and I've used both, one or the other, for years when changing oil on these vehicles. I know that the engine is full of 10W-30 oil. either 50:50 or even 3:1 for a 5w27. The second. You can buy 30 or 40 weight oil, and you can also get multiple viscosity oil such as 10W-30 or 10W-40. It is a multi-grade oil that is suitable for any type of outdoor power equipment. To avoid this occurrence, ensure you have spare oils when you travel. Absolutely yes. 5w20 is the top-recommended engine oil for the. In fact, race teams that use Mobil 1 regularly mix 10W-30 with 15W-50 to achieve the desired blend for the particular temps and race duration. You can mix 5W-30 and 10W-30 engine oils, but it’s not necessarily ideal. Jan 7, 2021. The short answer is yes, but there are some things you should be aware of before mixing the two viscosity grades. 129 posts · Joined 2009. You'll end up with either an oil that is thicker or thinner than the device was made to run. This article clearly details the difference between these two oil viscosity ratings. regular oil and advising whether mixing motor oil is okay. Myself I'm in SoCal and doing desert trips to AZ so I use M1 0w-40. 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. 3. 5w30 engine oils will, therefore, be able to protect the inner components of the engine faster than the 10w30 due to its low viscosity. 3 to get the second number. But refer to your owner’s manual for the best choice. . 5%. Can you mix 5w30 and 10w30? Yes, why not! You can use a mixture of 5w30 and 10w30. You can’t mix the two because they aren’t of the same grade. It is not recommended that you mix 5W-30 and 10W-30 oil, given that they are formulated to be more effective at different temperatures. F-fan - As far as home brews go, 5W-30 with SAE 30HD should be a very practical mix.