When motor oils mix inside the car, the engine would still run properly, but not as efficiently as it used to. 10w30 and 5w30 are close enough oils; Mixing oils does work, but… You will reduce the life of your engine; Know what you’re doing; Never mix synthetic and non-synthetic oil; Don’t think that just because you put a lighter oil in your car that it is better for the environment; Oil has an expiration dateWHAT ABOUT MIXING ENGINE OIL BRANDS? Yes. Both 10W-30 and 5W30 have the same viscosity at 100°C (212°F), it is the operating temperature of an average engine. This is because the fuel economy might be. That means mixing single grade type of oils with their single grad counterparts. The recommended motor oil for Nissan vehicles is 5w30 and 10w30. So for the question, the answer is yes. Inside your engine, both oil formulations can withstand temperatures of up to 100°C/212°F. While they are both multi-grade oils that protect and lubricate the engine, they have varying properties. e. Uses of 5w30 & 5w40. This means that the viscosity will rebalance and will create a new one. 5W30 oils are easier to move in cold starts, on the other hand, 10W30 oils lubricate the engine. However,. Is 20W-50 thick oil? The “20W” indicates how quickly the engine will start when cold or in cold weather. Mixing the two oils could cause you to have. You can either add the lightweight 5w30 first and then top off with the heavyweight 10w30, or add the entire oil at once and then let it run for a few minutes before checking the level with a dipstick. 5w30 is used for light-duty engines while 10w30 is used for engines which carry heavier loads. Both oils are good for modern engines, and you can get them in. Your vehicle’s engine will not fall apart if you mix and match different oils, especially if you need a top-up. You can even use Pennzoil or Quaker State synthetics. First, it’s important to understand the numbers in motor oil grades like 5W30 and 10W30. 5w40 motor oil has a winter viscosity grade of five, for example. However, you probably shouldn’t use 10W-30 only for the sole purpose of decreasing your vehicle’s fuel consumption. Even though you're mixing a 5W20 with a 5W30 50/50, the 5W20 could have a different pour point, than the 5W30. It’s not necessarily ideal, but doing so won’t cause harm to your engine. But it’d be best to mix oils from the same brand – the additives won’t be too different, so the oils will have better chances of mixing properly to deliver the best possible results. But no it won't hurt to use 5w30. Furthermore, use only engine oils designed specifically for your car in terms of weight. 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. Mixing the viscosity of oils will not have any effect on the engine. With so many different types of engine oils on the market, you might be wondering if it’s possible to mix two different viscosities, such as 10w30 and 5w30. Theoretically it is not advisable to blend oils. comCan you mix differe. It is safe to mix 5w20 and 5w30 as long as you follow some recommendations. They can’t be mixed during low temperatures. Amsoil small engine 10w30 Even then SS 5w30 is much better. The recommended viscosity for jeep vehicles is 0W20, 5W20, 5W30, or 10W30. 0w20 or 10w30 motor oil would be recommended per the owner’s manual of a 2020 Chevy. Here is the reply "Yes, the engine included with the package is a 2 stroke unit. So, 5w30 and 10w30 oil can be mixed without causing any harm, so you can do so. 6L V8. The lower viscosity makes 5w30 a better choice in cold weather. However, it’s generally not recommended to mix motor oils with different. -for at least the last 40 or 50 years. Good old 10w30 is as close to a universal oil as exists, it seems to do well in virtually anything. Theoretically it is not advisable to blend oils. On my daughter's oil consuming tercel, I add 1 qt of 20-50 Castrol HM to see if thicker. However, remember that you will not have a better performance, and this mixing is not recommended. To mix and homogenize 5W30 and 10W30 properly, firstly pour 5W30 oil into the engine and then add 10W30. (Explained) Can I mix 5w30 with 10w30? Well, many drivers often think it is good to pour 5w30 oil with 10w30 oil. Both oils are 30 viscosity at operating temperature. You can find these ratings on the API oil donut on the back of the bottle/ jug. So, They’ll easily blend with each other wheater you mix with 5w20 with 5w30 or vice versa. It’s a common question with a simple answer: yes, you can mix 5W30 and 10W30 motor oil. 7cst), so they are almost a 20-weight. 5W30 is a multi-grade oil with a viscosity ranging from 5 (lower) to 30 (higher). It depends on how much ratio you use and how long you use the new oil mixture in your lawnmower. I use it just fine into sub zero territory (into the minus teens) in the dead of winter with no issues. 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. It will not damage your. Can you mix 5W-30 and 10w40? Yes, it is perfectly safe for you to mix 5W-30 and 10W-30 engine oils. 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. #8. 3 to 11. Best Practices: If you need to mix 5W-30 oils from different brands, it should be a temporary solution. It means that SAE 30-grade motor oil cannot be used in the engine if you’re driving a vehicle in. However, 10w30 is a multigrade oil that performs well in hot and cold temperatures. Whether it is safe or not to mix oils of different grades depends on the engine. of oil to one gal. The only difference between 0W30 and 5W30 is the viscosity rating when the oil is cold before the engine warms up. This high-temperature rating is right in the middle at 30. . Aug 2, 2011. Q. Better In Cold Weather. I always go with what other owners say tho before autozone. When I start to accumulate too much oil, I have actually performed a full OCI with 5 qts of this mix. Adding a 10W-30 to a 5W-30 should be fine for a top-up, but is not ideal for a complete service interval. However, the difference in viscosity between the two can impact engine performance, particularly in specific temperature conditions. May 21, 2012. August 15, 2012. Actually, a stack of 10w30 oils including a 5w30 HDEO on the approved CES 20086 list. Sep 11, 2012. A 5W-20 and 5W-30 will have very similar if not equal viscosity at lower start-up temperatures. Since the thinner 5w20 oil lower combustion range of -30° to 35° Celsius. Castrol told me it was between 10 and 30%. Can you mix 5w30 and 10w30? No, you can’t get any desired result by mixing both oils because both oils come in different grades. 5w30 – 5w-30 counterpart registers 9. It is okay to mix, though. It will also flow freely and much better than the 5w30 while having the same viscosity. 10w30 is denser as compared to 5w30. . 5. There are, as we’ll see later, pros and cons to doing so and mixing engine oil weights. So (30+30+25)/3 = 28. Probably the worst thing you could do to an engine other than run it dry of oil. It is absolutely fine for your vehicle as they have pretty much the same grade of viscosity in temperature, thereby making them blend well. #4. In an 07 I do no think it would be an issue at all to go 2. If they originally recommended 5W-30, your mixture will not pump as well at very cold temperatures. e. Although 5w30 is less dense, their viscosity is similar, and their combination is perfect. They are both oils that are generally safe for use in your car. Typically a mix of synthetic and conventional base oils. So if you’re a little hesitant about the. Nick778, Make things easy on yourself and run some Mobil 1, 0w-40, or perhaps the Redline or Amsoil 10w-40 synthetics. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm. 10w30 oil has a slower flow than 5w30 motor oil in cold weather. 10w30 oil is thicker and heavier than 5w30 oil because it has a higher viscosity at low temperatures. 3 and 12. Both oils have different viscosities and characteristics, and combining them can alter the oil’s protective properties and reduce its effectiveness. Both these two engine oils will act similarly. Reads 70. Sometimes thicker oil is even recommended in higher mileage engines, although I believe the jury is still out on it. In warm climates, they will act very similarly. In cold climates, the viscosity of 10w40 is 10. This is because both 10W30 and 5W30, meet the SAE standard for viscosity at engine operating temperatures. Older engines can use the SAE30, while the 10W30 is for modern engines. However, because it is thinner it. High mileage oil works in a lot of cases where seals are the cause of the oil loss. For example, you could blend 5w 30 and 10w 30. 5 puts it into the VERY thin 30 weight range. In a mild climate and an engine spec'd for a 30 grade in the first place it's the best choice IMO. roy1 Discussion starter. So it’s best to just stick with one type of oil for your car. These oils share a close viscosity profile, making them compatible for blending. You can mix them and use them accordingly. Here is a comparison of 5W-30 vs. If you want to come up with your own oil mixture, just check the oil number of the two oils. So, Can you mix 5w30 and 10w30? Yes, you can mix 5w30 and 10w30 oil. There isn’t a big difference between 5w30 and 10w30, but they have different viscosities. 10w30 just like 5w30 engine oil is capable of maintaining its viscosity even under high temperatures. But, It’s highly recommended to use a brand with the same API class. The advantage of a 0w30 motor oil is that the number zero is far from thirty (30) than ten (10). 5%. However, just because you can mix it, it does not mean that you have to. They will not become a single oil as you might have hoped. Straight out of the your 2004 owner's manual; note the viscosity chart, for consistently hotter climates they also list 10W30 (but 5W30 preferred): Apr 4, 2020. So, it’s not suitable if you mixed 10w30 oil with 5w30. When comparing 5w20 vs. No sense wasting good oil. W means winter. The following number is the viscosity, or thickness, of the motor oil at low temperatures. . You can mix different grades of oil with no bad effects. Yes, you can mix 5W-30 and 10W-30 motor oils without causing significant issues for your engine. See moreWell, the answer isn’t quite as simple as a yes or no. Mixing 5W30 and 5W20 is perfectly safe. Its range is -13 to 86 degrees. But at low temperatures, they show opposite reactions. But you know which oil type will work better. Is it possible to mix 5w30 and 30w oil? You are correct that adding 1 liter of SAE 30 to 3 liters of SAE 5w30 permanently increases the viscosity of 5w30. The discrepancy occurs when there is a sharp difference in the viscosities of two fluids that retards the thorough mixing. In some cases, mixing 5W20 and 10W30 can actually cause engine damage. Can you mix 10W30 and 5W30 in lawn mower? If your mower manual calls for a 5W-30 engine oil, using a 10W-30 oil is also acceptable. Or 10w30 into 5w20. Mixed engine oil is better than low, dirty, or no oil. Sure you can, as long as either viscosity is suitable for your engine. Demonstrates 55% better deposit control than CK-4 15W-40 oil as demonstrated in multiple deposit control tests. So a lot of drivers are already doing it. of oil to one gal. Remember, this engine in an air-cooled engine many of the parts get localized heating. Castrol GTX MAGNATEC Motor Oil 5W30 Full Synthetic 5 L. 6. In the past I have mixed their full synthetic with their GTX to make my own 50% blend. Fortunately, the viscosity of 5w-30 and 10w-30 at operating temperature is identical, ranked 30. 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. They can’t be mixed during low temperatures. 10w30 provides sealing action in the engine due to the fact that it is thicker than 5w30 engine oil. 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. Can you mix 5w30 and 10w30? No, you can’t get any desired result by mixing both oils because both oils come in different grades. While it is generally recommended to stick to the manufacturer’s specified oil viscosity, mixing these two oils might not cause any immediate damage. i do this all the time. Always follow the vehicle owner's manual to determine the correct motor oil specification, viscosity grade, and oil drain interval for your engine. One of the most common questions is whether you can use 10w30 instead of 5w30. The 15w40 motor oil can be used in off-highway diesel equipment, farm. Now, let’s address the question of whether you can mix 5w30 and 10w30 oils. If your vehicle is using multiple litres of. If you’re wondering whether you can mix synthetic oil with regular oil, the answer is yes. In summary, what you should know is that 5w30 oils are less viscous and flow easily than 10w40 oils at both high and low temps. The short answer is, yes, you can technically use 10W40 instead of 10W30. Mixing 10W30 and 10W40 Motor Oils. I agree with you (and others) on using 5W-30 according to the under-hood sticker. 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. Therefore, you can mix 5W30 with 10W30 with no ill effects whatsoever. Can I mix 5w20 and 10w30? It should be fine , considering the temps, and that the suggested oil viscosity is usually 5W-30, so two quarts of 5W-20 and three of 10W-30 probably come pretty close. It is not advised for car drivers to do so. If you lived in Siberia, I would be a bit more concerned about it. There is minimal viscosity difference between 5w30 and 5w20. For instance, can you mix 5W-30 and 10W-30? You can mix 5W-30 and 10W-30 engine oils, but it’s not necessarily ideal. The viscosity affects the thickness of the oil. 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. Q. Example 5w20 may have a cSt of 8. mix 5W30 and 10W30. #8. February 17, 2022. The act is not recommended, but it is not prohibited also.