So we're effectively down to 5W20 vs 5W30 discussion, of which there are already plenty in the archives. So, it is best for vehicles running in cold climates to use the 5W30 since it is thinner than the 10w30. In the case of lawn mowers, two-stroke engine oil is mixed with the gasoline before it goes into the tank. If the engine is used a little bit around the house, any 5w30 full synthetic or 10w30 will do. If you use 10w30 regularly in your car, you won’t notice any difference in performance when switching to 5w30 for short trips. 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. If I was you though, I would just run the Valvoline VR1 5w-50 synthetic and not worry about trying to mix oils. I do use add oil to aim the grade to where I want to try. Can You Mix 10w30 And 5w30? Absolutely! Mixing 10W-30 and 5W-30 oils is perfectly fine and won’t cause any significant issues. But you can use 0w20 motor oil for a cold start viscosity. Thicker oil has a high viscosity, and thinner oil means low viscosity. Can I mix 5w30 with 10w40? As posted above, mixing 5w0 will give you an oil that performs somewhat better in the cold than 10w40, but less good cold than 5w30, and that has a viscosity a bit higher than 5w30 but a bit lower than 10w40. 7%. 1997 - 2003 F150 - 10W-30 for 4. The viscosity affects the thickness of the oil. Yes, you can mix different brands of oil together. These two oils have different viscosities, which can. comCan you mix differe. Then we add that to the 8. #9. Mobil 1 Advanced Fuel Economy 0W-30 provides the high temperature protection of 5W-30 and 10W-30 oils while offering improved fuel economy. So when you compare 5W30 vs 10W30, 5W30 oil has a lower number (5), implying the oil thins fairly in an extremely low temperature, making it a better winter engine oil than 10W-30. It gets really interesting when adding multiweight to straight weight. However, the 10W – 30 oil will be thicker when it is cold. . 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. It is absolutely fine for your vehicle as they have pretty much the same grade of viscosity in temperature, thereby making them blend well. Hudson, NH. of gas) to 50:1 (2-1/2-oz. But I would not mind or worry about mixing 4 qts of 0-20 and 0. #4. I'd probably stick to Royal. It will not damage your. If you mix two different oils with two different viscosities, you are doing something that is not recommended. Today’s multiple viscosity oils work with a wide range of ambient temperatures. #8. 10W-30 synthetic oil’s range is between -25°C/-13°F to 30°C/86°F (sometimes -30°C/-22°F to 35°C/95°F) while a 10W-40 is from -30°C/-22°F to 40°C/104°F. Can 10w30 engine oil safely be used in place of 5w30 for a 2003. But in winter, it becomes difficult to run a snowblower in ice with 10w30. This is because the 5w30 oil contains a higher viscosity than the 5w20 oil, so it may be able to lubricate better and protect your car's engine better against wear and tear at higher temperatures. Can I mix in 5w-30 oil with 10w-30 oil? Yes. As far as we can tell, Mazda engines don’t use 10w30 motor oil. However, you should use the same grade and type of oil. Mixing oil based on viscosity does not affect engine performance. 5w40 motor oil has a winter viscosity grade of five, for example. 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. Mixing the viscosity of oils will not have any effect on the engine. The recommended viscosity for jeep vehicles is 0W20, 5W20, 5W30, or 10W30. Mixing the viscosity of oils will not have any effect on the engine. See moreWell, the answer isn’t quite as simple as a yes or no. The recommended motor oil for Nissan vehicles is 5w30 and 10w30. And instead of just pouring the different oils into the engine for the engine to mix, it is a lot more fun to play Dr. Mixing 10w30 and 5w30 can be done safely in certain situations. Compatibility of 5w30 and 10w30. When comparing 5w20 vs. Below 40°F and down to -10°F, use 10W-30. . But you should remember that it is not recommended. Mixing the two oils together can cause the oil to break down and lose its ability to lubricate and protect your engine. 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. It depends on how much ratio you use and how long you use the new oil mixture in your lawnmower. 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. Only use this chart to find an oil equivalent to the manufacturer’s recommended oil for your tractor or truck. 7cst), so they are almost a 20-weight. Mixing SAE 30 and 10w30 is a terrible idea and might have you counting losses. Both oils are 30 viscosity at operating temperature. If your running it day in and day out, I would use a HDEO 15w40, or 15w50. 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. 5w40 oil is thicker than 5w30 oil, and provides better protection for your engine, particularly during cold starts. Location. The 10W is the viscosity of oil under 0°C (32°F), and 30 (SAE 30) is the oil viscosity at 100°C (212°F). Daily oil intake recommendations vary based on your gender, age and activity level. Theoretically it is not advisable to blend oils. 3 to get the second number. Personnally, I'd use straight 5w30 in the winter in Ohio. As 5W30 is a thin oil, mixing it with 10W40 will give you a much thinner oil. So you can use 5w30 motor oil for your engine because it is recommended and suitable. They should mix well since these two oils have somewhat similar viscosities. 10w30 provides sealing action in the engine due to the fact that it is thicker than 5w30 engine oil. Ken2. So, 5w30 and 10w30 oil can be mixed without causing any harm, so you can do so. Thinner oils equate to lesser drag, making them more energy-efficient. The recommended motor oil for Nissan vehicles is 5w30 and 10w30. 5w30 motor oil, the 20 indicates that the oil has a lower viscosity and is thinner at higher temperatures. 5W20 will flow easier in cold/low temperatures to keep your engine parts. The short answer is, yes, you can technically use 10W40 instead of 10W30. ROCHESTER, NY. If you reside in a cold region, 10W30 oil is the best choice for your car because, in this region, the oil only has to deal with heat from the engine and not the one from the atmosphere. Madiganistan/Chiraq. Both these two engine oils will act similarly. Most oils will mix perfectly, provided they have a similar synthetic. More expensive to make so they charge slightly more. Best Practices: If you need to mix 5W-30 oils from different brands, it should be a temporary solution. This means that this motor oil is less dangerous when below freezing. In the case of lawn mowers, two-stroke engine oil is mixed with the gasoline before it goes into the tank. Additionally, the two oils have different additives. There's been talk before of owners using too heavy of a wt. You'll find most SAE 30's run 11 to 12 cSt @ 100C. You don't want anything less that a 30wt in there. The 5w30 motor oil has a viscosity that is much higher than the 0w30 motor oil. F-fan - As far as home brews go, 5W-30 with SAE 30HD should be a very practical mix. Yes, you can mix them. 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. As a result, many consumers can. It cost $2 a quart more too. There is no mention of 5w40 motor oil in the recommended list. In layman terms, your engine will be able to handle higher. If I was you though, I would just run the Valvoline VR1 5w-50 synthetic and not worry about trying to mix oils. At best, if you mix say a 10W40 and a 0W20, you will get a 10W30 at 50/50 ratio. Say we add a quart of 5w30 to 2 quarts of straight 30 weight. Can you mix 5W30 and 10W30 motor oil? 5w30 and 10w30 are two of the most common motor oils. I have never ever seen an owners manual that recommendeds. Yes, you can use 10w30 instead of 5w30 engine oil. Different oil producers have different standards, and it is noticeable in the oil quality. Additionally, you can combine 10w30 oil and 5w20 oil, but it is also not recommended. So it’s best to just stick with one type of oil for your car. Dec 9, 2009. Yes, just that. 10w30 and 5w30 have different viscosity ratings. Viscosity is the level of a liquid’s resistance to flow. When you add 10W30 to a 5W20 engine, the 10W30 separates and does not mix well. This can cause reduced lubrication leading to wear on the engine parts. The add packs are pretty much identical, the base oil and VI content would be the biggest difference. With a non-MDS 3rd gen 5. In this post, we’ll also look at if it’s safe to use regular oil after synthetic oil. 6L Ford V8 - I own a F-150 2001 with a 4. 5w30 oil is lighter, and its density is less. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing them. 5w30 can be used in temperatures ranging from high to low. 25 qts of 0-20 and 2. The answer is yes. Can I mix in 5w-30 oil with 10w-30 oil?. 5 and and 2. If you still got 5W30 inside the engine when you mistakenly refilled 5w20, the two oils – 5w20 and 5w30 – would mix together. Pour the 5W30 into a mixing container: Place a clean container on an even surface and carefully pour the entire bottle of 5W30 oil into it. Consumption hasn't changed and neither has my mileage, as far as my hand calculations can tell. So if you live in a warm climate and find yourself with a bottle of 10W30 oil, don’t worry – you can use it without any problems. It is allowable and. From different perspectives, the 5w30 looks to be a better option. In simple words, you should be using 10W30 when it is hot outside and when it is cold, your go-to option for the better oil should be 5W30. So we wind up with 8. It is recommended for use at -13°F up to 95°F / -25°C up to +35°C (outside temperature). Starting the engine with warmed up oil is THE way to do it, and makes mixing totally not needed. Reduced fuel efficiency: Thicker oils can create more resistance in the engine, leading to decreased fuel economy. But as the engine heats up, the 5W-20. However, you need to know the right way to do this. Because of the viscosity, the 5w20 motor. Quoting Stephen Miller from Shell: “For instance, 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. A one-time oil top-up with a different oil isn’t a problem. Features. Both oils are formulated to protect against wear and tear on engine. However, this should only be a stop-gap until you get to your nearest oil change provider. We recommend you take a look at your. Just like SAE 30, it will begin to break down at about 260℉. 5w30 oil is lower in viscosity and there is a small chance of the car not running. Yes, you can mix 5W20 and 5W30 oils together, but only under specific conditions. 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. Yes, you can mix 5w30 and 10w30 without a second thought. My oil mix is the same as your friends (5W20, 5W30, 10W30). In warmer regions, the thickness of 10W30 will make it easier to flow. However, it may void your warranty if you tell the dealer about it. For equipment operated in hot temperatures, Vanguard 15W50 Synthetic oil provides the best protection. They will blend perfectly. It’s always essential to consult your vehicle’s manual or a mechanic before making any. This is how you can tell which engine oil is better: how thick it is. Sep 9, 2017. So, no, you cannot put 5w30 engine oil in a 5w20 engine without facing any negative side effects. I was told that this was a bad idea and it shouldn't be done. Yes, the oils may have various additives, which is why the weight rating is varied. No need to mix. Myself I'm in SoCal and doing desert trips to AZ so I use M1 0w-40. A mixture of two motor oils that have different viscosity and also have different weights is done by most drivers. This problem can cause a bearing to go bad due to spinning. They will mix perfectly. Your car manufacturer’s recommendation notwithstanding, mixing 5W20 and 10W30 won’t cause any harm to your engine. 10w30 oil is thicker and heavier than 5w30 oil because it has a higher viscosity at low temperatures. 5W30 is a multi-grade oil with a viscosity ranging from 5 (lower) to 30 (higher). Mixing ratios of gas to oil vary, but usually range from 30:1 (4-1/4-oz. The viscosity grade of 10w30 and SAE 30 is the same at operating temperature, so it is perfectly safe to use 10w30 instead of SAE 30 in your lawn mower. Its range is -13 to 86 degrees. So, you may be wondering if you can use 10w30 instead of 5w30 in your vehicle. The recommended motor oil for all Subaru engines is 0w20 and 5w30. Good old 10w30 is as close to a universal oil as exists, it seems to do well in virtually anything. However, it is crucial to check your vehicle’s owner’s manual to. To get a 7. When you mix them, it can’t serve the engine needs in winter. 10W-30 isn’t any different at starting temperatures than 10W-40 – but at operating temperature, the environment isn’t going to have as profound an effect as if it were hot outside the vehicle. Just be aware that your engine may not get the full benefit of the thicker oil during warm weather operation. If it flows better, it's not a 10W-30. There isn’t a big difference between 5w30 and 10w30, but they have different viscosities. But, we recommend you not mix or blend 10w30 and 10w40. Temperature Range There are several critical aspects that readily depend on the. 5w30 is used for light-duty engines while 10w30 is used for engines which carry heavier loads. The lower viscosity makes 5w30 a better choice in cold weather. All but 2 of my family's vehicles use 20 weight oils. 4 100 degrees cSt, so you can call what you made 5w25, but more. What Is 5w30 Engine Oil? 5w30 engine oil, like 0w30, is a multigrade lubricant, though it has a lower winter flow rate. Mixing 5W30 and 5W20 is perfectly safe. Although mixing the same grade engine oils such as sae30 and sae40 is acceptable mixing two different grade oils is not advisable. r/MechanicAdvice.