But it will be true until you mix only a quart of other oil to your usual engine oil. You can mix a 5w30 oil with a 5w40 oil. Can you mix 5W30 and 10W30 motor oil? 5w30 and 10w30 are two of the most common motor oils. Adding 10W30 to your current mix is safe and will not cause your engine to run any worse. However, it is still not advisable since it may void your car’s warranty. 4 100 degrees cSt, so you can call what you made 5w25, but more. It slightly reduces fuel efficiency. Quaker State. In addition, Shell Lubricants has introduced Shell Rotella ® T6 10W-30 full synthetic heavy duty engine oil, which provides the benefits of a full synthetic engine oil in the. 5w30 – 5w-30 counterpart registers 9. #4. Your car manufacturer’s recommendation notwithstanding, mixing 5W20 and 10W30 won’t cause any harm to your engine. Yes, you can mix 5w30 and 10w30 without a second thought. 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. But keep in mind that 10W30 has more density than 5W30. The shortest answer is yes. The same brands would mean that they are compatible in terms of their additives. For equipment operated in hot temperatures, Vanguard 15W50 Synthetic oil provides the best protection. Can You Mix 5W30 And 10W30 Most engine oils will have little trouble mixing with one another, as long as they’re of a similar type. Still, the safest way to do this is. The concern often centers around potential engine damage, but when it comes to oils of similar viscosities, there is no need for worry. Start the engine and run it for a few minutes to mix the oils perfectly while ensuring optimal performance. If you mix 5w20 and 5w30 engine oils, you won’t be getting the full benefits of either oil. 5 gt really doesn't change it much as you can check in the shell viscosity mixer as its only changing it by 1/5 anyway. I use 10w30 year round for all my OPE needs. In this article, we will5w30 is preferred especially in colder climates. Furthermore, when using oil additives, make sure the additive is made. It can retain its standard viscosity at -16 to 30 degrees Celsius at the temperature ranges. Drivers can get used to one car oil manufacturer because of certain properties. Both are the same viscosity at operating temperatures. Mixing 5w 30 with 10w 30 is permissible as long as the ratio is appropriate, but it is not recommended by most vehicle manufacturers. Which oil is better 5w30 or 10w30? 5w30 is less viscous than 10w30. When motor oils mix inside the car, the engine would still run properly, but not as efficiently as it used to. It will not affect the engine’s performance or efficiency. These specifications are to be used as guidelines only. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. With Shell Rotella T5 10W-30 synthetic blend, you get the strong wear protection of a 15W-40 with the added benefit of fuel savings. Actually, a stack of 10w30 oils including a 5w30 HDEO on the approved CES 20086 list. High viscosity oil is best. While it is possible to mix SAE 30 and 10w30 oils, doing so can impact the overall performance of your lawn mower. This means that the viscosity will rebalance and will create a new one. 5%. I'd buy all the 10W-30 I could, after getting the 5W-20. Many have reported that they have not experienced any harm or harmful effects that the mixture did. M1 10W30 has a KV40 of 63. If you’re in a rush or dealing with an emergency, and you do need to combine two different engine oils rather than doing a straight. I had a 2012 outback which used 5w-30 synthetic oil, now I have a 2015 out which uses 0w-20 synthetic oil. 5w30 on the other hand, is a multi-grade oil that has two ratings. The 10w30 motor oil will move slower than the 5w30 motor oil when doing cold startups. Can I use 5w30. And from all the research I've done, it appears that from a mechanical engineering standpoint, motor oil viscosity of about 10 or 11 cSt is ideal for the vast majority of automotive engines. There is no danger mixing synthetic and conventional motor oil. They will not become a single oil as you might have hoped. I'm about to do a super frankenblend in my moms car to use up my leftovers. You may combine 10w 30 and 5w 30. I used M1 5W30 in my mower with the Honda 160GCV consumer grade engine from purchase in 2000 until last year, when I ran out of my old formula M1 SL. However, it is advised against because of multiple reasons. #3. My E430 sump is currently have 6 qts M1 0W20 and 2. However, to clarify, the 10w30 has a higher density than the 5w30. Yes, you can use 5W30 instead of 10W30 in a lawn mower, however the oil type, viscosity and quantity should be based on the manufacturer’s specification for the lawn mower. 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. It may be a 15W or 20W. The engine oil will flow slower than 5w30 when it is cold. 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. In the summer time you can use an oil 5W40. 25 qts of 0-20 and 2. The ow20 oil has very low viscosity if the engine is in cold weather. W means winter. 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. The answer is yes. They have similar ingredients other than the viscosity level. 0W-30 and 5W-30 is only a $3 difference. The answer is yes. Because of the mixing of fluids, your. i. Always follow the vehicle owner's manual to determine the correct motor oil specification, viscosity grade, and oil drain interval for your engine. Both engine oils provide the same flow and performance in cooler temperatures. Just like mixing oil brands would change things that could affect. So, you may be wondering if you can use 10w30 instead of 5w30 in your vehicle. The answer is yes, you can mix 10w30 and 5w30 oils in your vehicle. I always go with what other owners say tho before autozone. It will not damage your. 1. This means that this motor oil is less dangerous when below freezing. Most cars that recommend 0W-20 or 5W-20 do so for fuel economy reasons and can use 5W-30 with no ill effects. This is because both 10W30 and 5W30, meet the SAE standard for viscosity at engine operating temperatures. That may be true with Mobil's offerings, but Castrol, and Pennzoil 10w vs 5w can be many CST's different. It gets really interesting when adding multiweight to straight weight. If you desperately need to top off a quart, yes. Both syn oils. The primary difference between 10w30 VS 5w30 oil is their viscosity. That's the point of viscosity. The 5w30 motor oil has a viscosity that is much higher than the 0w30 motor oil. I use Amsoil 4 Stroke 10w30 and my snow blower starts very easy in temperatures well below yours and the oil stays clean for a long time. 1. It is entirely safe and okay to mix 5W30 and 5W20. 10W30 vs 10W40, Differences #4: Fuel Efficiency Dynamics. 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. THE 10W30 OIL & ITS BENEFITS. #2. So in using 0w30 motor oil in replacement to the 10w30. #1 · Jul 1, 2018. Whereas 10w30 is a high-grade oil and has a higher density. (the first number is cold viscosity and the second number is hot viscosity -- bigger numbers. The engine is the 1999 5. But I would not mind or worry about mixing 4 qts of 0-20 and 0. You can mix 0w3o and 5w30 oil, but it is not recommended. This is how you can tell which engine oil is better: how thick it is. However, 10w30 motor oil can be used in the Winter. So, let’s start with a table comparing both the engine oils in different parameters under warmer conditions–. It’s a common question with a simple answer: yes, you can mix 5W30 and 10W30 motor oil. This is because both 10W30 and 5W30, meet the SAE standard for viscosity at engine operating temperatures. The downside to 10w30 is it can be had in some low quality lubes, so make sure you go for a quality. If they originally recommended 5W-30, your mixture will not pump as well at very cold temperatures. You can also use 10w30 motor oil in cold weather, but it is preferred in hot weather. What Happens If You Mix 5W20 With 5W30? Nothing significant will happen if you mix 5W20 with 5W30. This is because both oils have the same API classification (in this case, SN). Q. One common question that arises is whether it is safe to mix different oil grades, such as 10w30 and 5w30. First, it’s important to understand the numbers in motor oil grades like 5W30 and 10W30. winters as cold as -20F. The engine might be on its way out because of lack of oil. Can You Mix 5W30 and 10W30 Oil? No – you shouldn’t mix engine oils with different specifications like this. If you can easily find it in copious amounts, then I'd. That's for cold starting in winter. nt40lanman said: Synthetics don't flow any better in the cold than conventional oils. SAE 30 motor oil is only used for warm temperatures and 10w30 motor oil maintains its viscosity in both warm and cold temperatures. But for the guide, you can use 5w40 motor oil in starting your engine in low temperatures. The only difference between the two oils is the low temperature point, with the 5W30 oil functioning slightly better than the 10W30 oil. 5w30 is also the thinner engine oil of the two at lower temperatures. Mixing the two will dilute the characteristics of 5W-30 and likely result in poor engine performance. Motor oil of 0W20 grade is supposed to be kind of like 5W20, but with better cold start performance in winter in colder climates. But it’s not necessarily ideal. Castrol GTX MAGNATEC Motor Oil 5W30 Full Synthetic 5 L. Whether you’re topping your 5W30 engine with 5W20 oil or vice versa, you are definitely not triggering any harm or potential damage to the engine’s core components. Which is Thicker SAE 30 or 10w30? The viscosity of SAE 30 and SAE 10W30 oils are pretty much the same in higher temperatures. I recently noticed that it calls for 5W-20 engine oil. 6 and 9. A higher viscosity or thicker oil will seal better than a low viscosity oil. When you mix 5w20 with 10w30 and pour the mixture into the engine, the oils won’t blend, they will still stay separate. In addition, the different viscosities can cause the oil to sludge, clogging up your. Therefore, you can mix 5W30 with 10W30 with no ill effects whatsoever. As far as we can tell, Mazda engines don’t use 10w30 motor oil. Whether it is safe or not to mix oils of different grades depends on the engine. In that case, the two oils would have different cold weather viscosities but the same high-temperature viscosity. Despite the fact that their densities differ, these two oils are quite similar. 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. It will work great in your car in Georgia year-round. Madiganistan/Chiraq. Despite the fact that their densities differ, these two oils are quite similar. It is not advised for car drivers to do so. Posted on January 5, 2023 September 25, 2023 Author admin Tags accidentally mixed 5w30 and 5w20, can i mix 5w30 with 5w20, can i mix 5w30 with 5w20 synthetic, can you mix 5w20 and 5w30, can you mix 5w30 and 5w20, can you mix car oil, mix 5w20 and 5w30 Post navigationIf you are concerned get the thicker syn to mix in the blend and call it a day (i. For instance, some automakers recommend against mixing synthetic and conventional oils. If you use 10w30 regularly in. It will not damage your. I love mixing brands but grades I dont like to do. Dec 9, 2009. As briefly answered in the intro paragraphs above, the simple answer is YES. 5w40 oil is thicker than 5w30 oil, and provides better protection for your engine, particularly during cold starts. Can I Use 10w30 Instead of 5w30 in Summer. However, to clarify, the 10w30 has a higher density than the 5w30. Yes. I use it just fine into sub zero territory (into the minus teens) in the dead of winter with no issues. Originally posted by boxcartommie22: i got this from the million mile book. What oil should I use in my. Can you put 10W-30 in place of 5W-20? You can, but you’re getting into a more drastic difference in oil viscosity for both warmer and cooler. Yes, you can mix 5W-30 and 10W-30 motor oils without causing significant issues for your engine. However, many car drivers have been doing this act, and they seem to be okay. When comparing 5w20 vs. Thin liquids that flow easily, like water, have low viscosity. There are a few potential downsides to mixing 10w30 and 5w30 oils: The resulting oil viscosity may be too thin or too thick for your engine. For assumption, you can use 5W30 for 7,000 to 8,000 miles. #5. I'd probably stick to Royal. The engine oil will flow slower than 5w30 when it is cold. If I was you though, I would just run the Valvoline VR1 5w-50 synthetic and not worry about trying to mix oils. And the 5w20 oil will make the 5w30 oil thicker and less effective in hot weather. Yes, you can mix 20w50 oil with 10w30 oil. The other number is the weight of the oil and can’t be mixed. 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. 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. The other number is the weight of the oil and can’t be mixed. However,. Do not, however, mix synthetic and normal oils (unless the synthetic's manufacturer specifically says it's OK). Yes, you can consider using 10w30 instead of 5w30 in the summer when temperatures are higher. You may have come across SAE 30 and 10W30 oils and wondered what the difference is between these two options. Dec 17, 2016. Better In Cold Weather. 10w30 oil is thicker and heavier than 5w30 oil because it has a higher viscosity at low temperatures. 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. The 5w20 oil is significantly thinner than the 10w30 oil. Let’s find out more about Engine Oil 10w30 vs 5w30. On the other hand, the 5w30 oil is also excellent and efficient. However,. Most new cars today run 5W30 and most oil change shops use 10W30 for everything. Yes, the oils may have different additives; hence, the difference in. Canada. 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.