Yes, it is perfectly safe for you to mix 5W-30 and 10W-30 engine oils. The answer is yes. 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. 0. Jun 24, 2018. Oil should be changed after the first 20-30 hours of operation and every 100 hours of run time thereafter. Remember a powerful engine like the mustang 5. It will work great in your car in Georgia year-round. The 10W-30 oil is a great choice for heavy loads, stop-and-go traffic, and extreme heat, thanks to its thicker sealing action oil. Most oils will mix perfectly, provided they have a similar synthetic. Jason. Bruh. I would recommend using a 5w30 oil. 0. The 30 rating is okay and the 10W wouldn't really matter much if you don't drive in cold weather. Inside your engine, both oil formulations can withstand temperatures of up to 100°C/212°F. The concern often centers around potential engine damage, but when it comes to oils of similar viscosities, there is no need for worry. Quaker State Advanced Durability conventional 10w30Afghanistan. I use it just fine into sub zero territory (into the minus teens) in the dead of winter with no issues. The “w” stands for winter, indicating how the oil performs in cold weather, while the numbers represent the oil’s viscosity at higher temperatures. Learn about 0W motor oil and viscosity by reviewing. But it isn’t necessarily ideal as both oils flow at different rates due to their different temperature endurance. Obviously, a 10W-40 is thicker than a 10W-30 at high temperature. However, because it is thinner it. 5%. Old high performance muscle cars with high compression engines always do better with straight 50wt all yr round. No, you don’t want to blend two different weights together. Temperature Range There are several critical aspects that readily depend on the functional temperature range. However, you probably shouldn’t use 10W-30 only for the sole purpose of decreasing your vehicle’s fuel consumption. Say we add a quart of 5w30 to 2 quarts of straight 30 weight. The same brands would mean that they are compatible in terms of their additives. The second viscosity rating is how thick the oil is at operating temperatures, which here in both cases is 30, the same. Can You Mix 5w-30 and 10w-30? – Safety Aspects. I'd buy all the 10W-30 I could, after getting the 5W-20. Therefore, we can assure you that combining them is safe and won’t result in any significant engine issues. 5w40 motor oil has a winter viscosity grade of five, for example. Your vehicle’s engine will not fall apart if you mix and match different oils, especially if you need a top-up. I think your plan for mixing 10w30 and 20w50 VR1 is OK for getting a high-zddp oil with reasonable cost and effort. #5. Plus, both of them have the same viscosity at temperatures. Yes, you can use 5w20 oil on Toyota instead of 5w30. Pennzoil Ultra Platinum. On the other hand, if you add 5w30 oil to a 10w40 engine, you’re taking a bigger risk. Re: Can I mix Mobil1 5W-30 with Mobil1 10W-30? (kaitsu) As an engineer I can say absolutely yes, yes you can. You’ll want a HTHS of at least 3. There is no mention of 0w20 motor oil and 0w30 motor oil for Nissan engines. At no cost can you mix 5w30 and 10w30. Yes, you can mix 20w50 oil with 10w30 oil. If your oil must be topped up, then you are burning oil already, so the difference won't cause more damage than is already there. Engine oil that is not rated for use in Diesel engines will not last and will severly damage an engine. That's for cold starting in winter. If you want something thicker you should mix the 10w40 with the 5w30. #3. Jan 22, 2016. These two engine oils are very similar in viscosity; hence, they might mix perfectly in. Nothing will happen if you put 10w30 instead of 5w30. To better understand, in a 5W-30 oil, the "W" stands for winter performance. S. J. ”. You won’t get a little amount of help by doing so. Below 40°F (4. Return the 5W-30 for a refund and shell out the extra $3. Therefore, the 5w40 motor is not thick if it has a high viscosity. According to Mobil's website, it is OK to mix 2 different viscosity's of Mobil one as they are completely compatible. More specifically, 0W30 oil is thinner than 5W30 at low temperatures. One year, I had some 0W30, and I used that. 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. Mixing the two oils together can cause the oil to break down and lose its ability to lubricate and protect your engine. ago. If you drain the old oil, you are just draining what is in your oil pan; the oil is still left inside your vehicle’s. The 5W-20 will remain a little thinner at operating temperature, as indicated by its lower “20” number, while 5W-30 will provide a slightly thicker lubricating film. However, remember that you will not have a better performance, and this mixing is not recommended. Starting the engine with warmed up oil is THE way to do it, and makes mixing totally not needed. You should not mix 10w30 and other oil weights. Q. 10W-30 could theoretically work in your area then as long as you don't plan to drive anywhere that goes below lets say 40 F. Trucks, SUVs, and other types of vehicles can be included. Location. 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. Mixing oils is not a big deal. Apr 15, 2022. 3, Ur 5w30 might be Cst 10. 10W30, in this context, is superior to its 10W40 counterpart in offering. A destroyed engine is not worth saving $3, otherwise the $3 you saved will go towards engine repairs. 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. Yes, you can use 10w30 instead of 5w30. If they originally recommended 10W-30, they you can use 5W-30 or a mixture. My current syn/dino mix: -2qts Valvoline Synpower 5w30 -2qts Mobil Clean 5000 5w30 -12oz Lubegard Bio/Tech . 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. 1. As a result, many consumers can. If you want to combine the 10w30 with another oil, consider mixing it with a double grade like 10w40. A lot of car drivers are saying that the act did nothing bad or harmful to their engines. The choice between 5W-30 and 10W-30 depends on the specific needs of your engine and the driving conditions you encounter. You may have come across SAE 30 and 10W30 oils and wondered what the difference is between these two options. You will not see a immediate failure if you mix the oils, but it will cause premature wear. A mixture of two motor oils that have different viscosity and also have different weights is done by most drivers. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing them. In a 5w30 engine, you can add 10w40 oil without seeing any major negative impact. You aren't really supposed to mix your own "synthetic blends," especially across brands, so that may have a bit to do with it!. However, it may void your warranty if you tell the dealer about it. Yes, you can consider using 10w30 instead of 5w30 in the summer when temperatures are higher. That is usually 100°C (212°F) when the engine is running (in an average engine). Dec 17, 2016. Compared to conventional oils, synthetic oils offer superior protection for small engine vehicles. Frankenstein by saving a 5 qt oil jug so you can mix them in the celler (or attic) on a dark and stormy night. #3. More expensive to make so they charge slightly more. Is it ok to mix the two? The engine is a 2008 2. " I agree that mixing oil viscosities isn't really necessary though. The short story is that oils are all pretty much the same at temperature. Joined Dec 26, 2007 Messages 2,473 Location NC. 5%. The 5W-30's are in the 10's. Apr 30, 2004. As far as 0w20 versus 0w30, it will be basically the same weight cold, at startup. 10-25-2013, 06:11 PM. If you don't have a choice, adding synthetic oil to regular oil can help you out in a pinch. There are some rare cases where you have to mix them because you do not have any choice. The EC product is a heavier 30wt than most others, & meets ACEA A3 specs. The 5w30 should be fine,but if you insist on using something a tad thicker use the 10w30. So is it okay to mix the heavier 10w30 oil with 5w30 oil?Are you wondering if mixing different engine oils will damage your engine?You may even have accidentally mixed 5w30 into 5w20 recently. High viscosity oil is best. 3 and 12. Can You Mix 5W-20 and 5W-30? You can definitely mix 5W-20 and 5W-30, however, there are some caveats, not to mention the fact that there is really no advantage or positive reason for mixing the two. Don't mix oil, just use the recommended 5W20. SP, SN (5W-20, SAE 5W-30, SAE 10W-30, SAE 10W-40, SAE 25W-60*) API: SL, SJ (SAE 25W-60*) ILSAC: GF-6 (SAE 5W-20, SAE 5W-30, SAE 10W-30) Specifications may vary by viscosity grade. #4 · Apr 3, 2017. Yes, you can mix 10w40 to 5w30 if they are on the same brand. in my Fusion over the past 2 years, and the MPG numbers have stayed pretty consistent. Yes, the oils may have different additives; hence, the difference in. 5W-20, 5W-30, 10W-30 synthetic or regular, mix or match no matter, just make sure it doesn't get low. So, it is best for vehicles running in cold climates to use the 5W30 since it is thinner than the 10w30. Note: You can also read Can I Mix 10w30 With 5w30. However, if you use these motor oil, the new viscosity will be higher than the 5w30 and thinner than the 10w40. I do the same thing and add the oils to OPE or top off my engines if needed between OCI's. I have an hour meter on my mower, and it shows that I use it 60 to 65 hours a year. A lower number is better than a higher number in this case since it means that the engine will start easier in colder weather. After a bunch of used oil analysis, the 30 weight starts at a 30, and ends at a 30. If it was mine I'd use 10W-30. This means it will have a free flow at a lower temperature compared to 10W30. The two oils are very similar, and they will both do a good job of lubricating your mower’s engine. It is best to use the same manufacturer and stay consistent with it. As a car driver, you must know that motor oil is used as a lubricant. 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. When thinking about 5W30 vs 10W30, it’s important to realize that they are very similar. The main difference between 5w30 and 10w30 is that the latter has a higher Viscosity Index (VI) than the former. The first number, the W, will end up falling somewhere between 0 and 5W. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing them. 5w30 is a thinner oil than 10w40. The short answer is yes, you can use 10W30 oil instead of 5W30 oil in your lawn mower. Mixing the viscosity of oil has no effect on the engine. Note: You can also read Can I Mix 10w30 With 5w30. #6. However, it may void your warranty if you tell the dealer about it. I would recommend using the 10w30 engine oil as recommended by case. There are several critical aspects that readily depend on the. Each oil grade contains a specific blend of base oils and additives to cater to specific engine types and conditions. Madiganistan/Chiraq. The engine might be on its way out because of lack of oil. Avoid spilling during mixing the oil as it can make a burning scent. C. Now, let’s address the question of whether you can mix 5w30 and 10w30 oils. I don't worry if the 10W30 and the 15W40 are the same brand either. On the other hand, if you add 5w30 oil to a 10w40 engine, you’re taking a bigger risk. In warmer regions, the thickness of 10W30 will make it easier to flow. of gas). The only difference between 0W30 and 5W30 is the viscosity rating when the oil is cold before the engine warms up. 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. . Wisconsin. If you mix 5w20 and 5w30 engine oils, you won’t be getting the full benefits of either oil. Their chemical compounds are the same. 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. In that case, the two oils would have different cold weather viscosities but the same high-temperature viscosity. So, you can mix any brand/grade/type of motor oil any time you want. of oil to one gal. Since you're only driving it 1200 miles a year, cold startability doesn't seem like a major consideration for your application. But the resulting oil should still be at least a 5W. On 8/14/2012 at 5:44 PM, Steptronic said: Since we do not have much "temperature variations", practically it should be okay to mix both. If you lived in Siberia, I would be a bit more concerned about it. of oil to 1 gal of gas. valvoline or pennzoil high mileage should do fine and maybe stop the oil seepage and oil burning or for sure slow it down. My oil mix is the same as your friends (5W20, 5W30, 10W30). . However, to clarify, the 10w30 has a higher density than the 5w30. Additionally, the two oils have different additives. The blending of both oils won’t do the engine any harm, at least not immediately. The downside to 10w30 is it can be had in some low quality lubes, so make sure you go for a quality. You can also use 10w30 motor oil in cold weather, but it is preferred in hot weather. Synthetic 5W-30 can be used in all temperatures. straight 30 mineral oil. There is no danger mixing synthetic and conventional motor oil. This is because both oils have the same API classification (in this case, SN). St. These oil grades have similar characteristics, with the main difference being their cold-temperature flow properties.