On my last change, I mixed a 5W-20 with an HDEO 5W-40 and then topped up a bit with some 5W-30. Yes, you can mix 5w30 and 10w30 oils. The short answer to this is no, 10W-30 oil is not the same as SAE 30. M1 10W30 has a KV40 of 63. Are you wondering if mixing different engine oils will damage your engine?You may even have accidentally mixed 5w30 into 5w20 recently. 7cst No difference at all at your "even 100F" start-up. Nebraska. Both have the same viscosity at higher temperatures, but 5W30 is slightly thinner than 10W30 at cold temperatures. These two oils have different viscosities, which can influence their flow rate, but not significantly enough to cause any damage to your engine. Different oil producers have different standards, and it is noticeable in the oil quality. either 50:50 or even 3:1 for a 5w27. Plus, both of them have the same viscosity at temperatures. You can mix 5w30 and 10w30 oil together. Rotella ® T5 15W-40 also: Provides all the protection you expect from an SAE 15W-40 but in a synthetic blend heavy duty engine oil. Yes, you can consider using 10w30 instead of 5w30 in the summer when temperatures are higher. 6. 9,808. Yes, It’s safer to mix 5w20 with 5w30. F-fan - As far as home brews go, 5W-30 with SAE 30HD should be a very practical mix. In some cases, mixing 5W20 and 10W30 can actually cause engine damage. When I start to accumulate too much oil, I have actually performed a full OCI with 5 qts of this mix. 10w30 oil is thicker and designed for use in higher temperatures and heavier engine loads. So if you mixed 5W20 and 5W30 engine oil or accidentally used 5w30 instead. It may be used at temperatures ranging from -31°F to 95°F / -35°C to +35°C (outside temperature). But only when both of them are at operating temperature. 6. So 5W-30 has a lower viscosity at cold temperatures than 10W-30 because its viscosity index is lower than 10W-30’s. Mixing 5W30 and 5W20 is perfectly safe. Additionally, you can combine 10w30 oil and 5w20 oil, but it is also not recommended. On the other hand, the 5w30 oil is also excellent and efficient. However, if you use these motor oil, the new viscosity will be higher than the 5w30 and thinner than the 10w40. Here is the reply "Yes, the engine included with the package is a 2 stroke unit. It slightly reduces fuel efficiency. Well, the answer isn’t quite as simple as a yes or no. However, the past two times I've changed the oil I didn't notice this and used 10W-30 instead. Your car manufacturer’s recommendation notwithstanding, mixing 5W20 and 10W30 won’t cause any harm to your engine. The main difference between 5w30 and 10w30 is that the latter has a higher Viscosity Index (VI) than the former. Let’s take a closer look. To summarize, when looking at 5W-20 vs 5W-30, their viscosities when cold will be the same, but the 5W-30 will be a little thicker at operating temperatures. Synthetic 5W-30 can be used in all temperatures. Mixing ratios of gas to oil vary, but usually range from 30:1 (4-1/4-oz. 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. Yes, you can mix different brands of oil together. This combo is perfect and pretty much safe to use. The engine is the 1999 5. Yes, you can mix 10w30 and 5w30 engine oil. In an 07 I do no think it would be an issue at all to go 2. 10w40 oil is a thicker oil than 5w30. The first number, the W, will end up falling somewhere between 0 and 5W. of oil to one gal. The short answer to this is no, 10W-30 oil is not the same as SAE 30. One of the most common questions is whether you can use 10w30 instead of 5w30. A mixture of two motor oils that have different viscosity and also have different weights is done by most drivers. 10W40. No Doom and Gloom will result. Feb 14, 2017. The 5w30 motor oil has a viscosity that is much higher than the 0w30 motor oil. Which oil is better 5w30 or 10w30? 5w30 is less viscous than 10w30. R. SAE 30 is a single-grade motor oil that provides adequate lubrication to engine parts when operating under hot viscosity conditions. While the viscosity difference between these two oils is minimal, there is still a difference. Not only does this in-depth 10w30 vs 5w30 guide. Yes, you can mix 20w50 oil with 10w30 oil. of gas). If you still got 5W30 inside the engine when you mistakenly refilled 5w20, the two oils – 5w20 and 5w30 – would mix together. From different perspectives, the 5w30 looks to be a better option. It has a low viscosity of five, and the high viscosity is forty. You are not allowed to mix 5w30 with sae30 because both engine oil has different viscosity grading. Temperature Range There are several critical aspects that readily depend on the. If you're mixing the leftovers from 5qt jugs to use in your lawnmower, yes. Technically, you can mix SAE 30 oil and 10W30 oil, but it’s generally not advised to do so. You may have come across SAE 30 and 10W30 oils and wondered what the difference is between these two options. The 5w30 oil will thin out the 5w20 oil and won’t flow as well in cold weather. The 0w30 motor oil is a special kind of motor oil. You can do so for the same reason you can use 10w30 instead of 5w30 in most vehicles. If the engine is used a little bit around the house, any 5w30 full synthetic or 10w30 will do. 3w36. (the first number is cold viscosity and the second number is hot viscosity -- bigger numbers. This comes from people who own these cars not a computer telling a guy at a store. Basically 5W30. In the summer time you can use an oil 5W40. 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. But the rule of thumb is to refer to your owner’s manual. Yes, the oils may have different additives; hence, the difference in. Yes, you can mix 5W20 and 5W30 oils together, but only under specific conditions. However, remember that you will not have a better performance, and this mixing is not recommended. Do not, however, mix synthetic and normal oils (unless the synthetic's manufacturer specifically says it's OK). I agree with you (and others) on using 5W-30 according to the under-hood sticker. If you want to mix, consider mixing straight grade oils. No one knows if the resultant mixture is better or worse than the unmixed oil without expensive and extensive testing. Sep 9, 2017. Feb 2, 2006. All but 2 of my family's vehicles use 20 weight oils. Location. Yes, it won’t hurt their car engines, but it’s not a recommended practice. Use the oil that is called for, every time. 5W20 will flow easier in cold/low temperatures to keep your engine parts. So, it’s not suitable if you mixed 10w30 oil with 5w30. The following number is the viscosity, or thickness, of the motor oil at low temperatures. This is because they essentially have the same viscosity at the same temperature, making them blend nicely. Mostly 10w30 and 10w40 but the Rislone is more like a 20 weight. However, doing so is not ideal if you want to reap the benefits of what the motor oil brand intends. I have an hour meter on my mower, and it shows that I use it 60 to 65 hours a year. 5)/2 = 9. Compatibility of 5w30 and 10w30. My E430 sump is currently have 6 qts M1 0W20 and 2. Yes, you can make use 10W30 engine oil instead of the SAE30 in your Lawn Mower. But 10W oil is thicker or. Typically a mix of synthetic and conventional base oils. However, it is advised against because of multiple reasons. To summarize, when looking at 5W-20 vs 5W-30, their viscosities when cold will be the same, but the 5W-30 will be a little thicker at operating temperatures. Yes, you can mix them. 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. Additionally, the two oils have different additives. Can you mix 10w30 and 5w30? General speaking, mixing 10w30 vs 5w30 oils should not cause issues as both have similar viscosities at operating temperatures. More specifically, 0W30 oil is thinner than 5W30 at low temperatures. Can You Mix Synthetic Oil With Regular Oil . The engine will not work correctly, and if you use the mixture for a long time, the engine will be significantly damaged. They will not become a single oil as you might have hoped. 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. 10w30, on the other hand, has different properties from the 5w30. Aug 28, 2019. They should mix well since these two oils have somewhat similar viscosities. So a lot of drivers are already doing it. Stick to one type and viscosity rating. 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. Also Read: Can I Use 10w30 Instead of 5w30? When to Use 10w30 Oil. The 10w30 motor oil is suitable for engines using advanced fuels such as biofuel and biodiesel. No need to mix. 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. Thanks to their close viscosity, mixing the two oils will have no damaging effect on the engine. If you mix 5w20 and 5w30 engine oils, you won’t be getting the full benefits of either oil. Yes, you can consider using 10w30 instead of 5w30 in the summer when temperatures are higher. They are both oils that are generally safe for use in your car. That may be true with Mobil's offerings, but Castrol, and Pennzoil 10w vs 5w can be many CST's different. This motor oil has a low viscosity, and this motor oil can also be used as a replacement for a 5w30 motor or 10w30 motor oil. Amsoil small engine 10w30 Even then SS 5w30 is much better. Q. For example, if you are using 10w-30 motor oil, you can mix different brands of 10w-30 motor oil together. 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. Winter-grade oil stays thin even as temperatures drop, which means it will flow straight to the engine at. Then we add that to the 8. These oil grades have similar characteristics, with the main. -Use SAE 30 in warmer temperatures of 40° F and higher (5° C and higher) -Use SAE 10W-30 for a varying temperature range of 0 to 100° F (-18 to 38° C), this. 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. As such, mixing synthetic. In warm climates, they will act very similarly. The shortest answer is yes. 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. 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. Therefore, there is no problem in mixing 10w30 and 5w30 since one. 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. If you buy the engine oil and find it rated 10w30 or 5w20, you can rely on them. Actually, a stack of 10w30 oils including a 5w30 HDEO on the approved CES 20086 list. The answer is yes. It gets really interesting when adding multiweight to straight weight. 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. AMSOIL 0W-30, 5W-30 and 10W-30 synthetic motor oils are ALL 30 weight oils. 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. It improves fuel efficiency. The 5w20 oil is significantly thinner than the 10w30 oil. It’s pretty much okay to mix 10w30 with 5w30. Gather your materials: You will need two containers of motor oil, one 5W30 and one 5W40. Because of the mixing of fluids, your. 10w30 can also be used. By default, the oil is thinner than the 10W30 engine oil in cold weather. However, 5w30 is better than 10w30 because it has a higher viscosity, which means that it is thicker and more viscous. In a 5w30 engine, you can add 10w40 oil without seeing any major negative impact. So whatever percentage of SAE 30 added is going to jack up the average above even what the 10W. Yours could be different tho. With what we’ve explained above, the simple answer is YES, you can mix 5w30 and 10w40 oil without bothering of any catastrophic engine damage. 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. This is because some oils are designed for specific needs – either high performance or low-temperature protection. The properties 5W-30 will be diluted if the two are used, and engine performance will probably suffer. But as the engine heats up, the 5W-20. Just like SAE 30, it will begin to break down at about 260℉. 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. PlasmaBomb Lifer. mix 5W30 and 10W30. Unless the OP is exploring near the cold end of the "W" part of his oil fill, there's no difference. Pennzoil Platinum is a thin 30 or Valvoline Advanced also in 5w-30. when you mix oils you add the wt. This is because both 10W30 and 5W30, meet the SAE standard for viscosity at engine operating temperatures. It depends on how much ratio you use and how long you use the new oil mixture in your lawnmower. 5W-30 VS 10W-30. As a result, many consumers can. Can I Mix 10w30 and 5w30? Most oils will mix perfectly, provided they have a similar synthetic. 5 qts M1 15W50 plus 8 oz VSOT, the spec oil is M1 0W40 but my engine is most quiet with thinner oil. 1 quart Mobil 1 10W-30EP, 1 quart Mobil 1 10W-30, 1 quart Valvoline Synpower 5W-30, 1 quart Super Tech 5W-30 synthetic, 1 quart Quaker State. 5W30 oils are easier to move in cold starts, on the other hand, 10W30 oils lubricate the engine. These vehicles can be trucks, SUVs, and others. Meaning at high temperatures it is also rated at 30, but at low temperatures, it has a rating of 5. 6,881. 25 qts of 5-30. So (30+30+25)/3 = 28. Mixing SAE 30 and 10w30 is a terrible idea and might have you counting losses. They’ll mix seamlessly. A higher viscosity or thicker oil will seal better than a low viscosity oil. 5w30 is also the thinner engine oil of the two at lower temperatures. 5W – 30 and 10W – 30 lubricants have the same viscosity at the operating temperature of the engine. I use it just fine into sub zero territory (into the minus teens) in the dead of winter with no issues. When comparing 5w20 vs. Can I Mix 10w-30 and 5w-30? A lot of drivers mix motor oils of similar viscosities. If you use 10w30 regularly in your car, you won’t notice any difference in performance when switching to 5w30 for short trips. Despite the fact that their densities differ, these two oils are quite similar. O. They have similar ingredients other than the viscosity level. Viscosity is the level of a liquid’s resistance to flow. Adding a 10W-30 to a 5W-30 should be fine for a top-up, but is not ideal for a complete service interval. 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. However, we do not recommend doing it because every engine requires different oil viscosity to function efficiently at temperatures. Yes, you can mix 5W-30 and 10W-30 motor oils without causing significant issues for your engine. Yes, you can safely mix 5W20 and 10W30 engine oil. Yes, you can mix 10w30 and 5w30 engine oil. nt40lanman said: Synthetics don't flow any better in the cold than conventional oils. W means winter. Yes. A lot of car drivers are saying that the act did nothing bad or harmful to their engines. Mixed engine oil is better than low, dirty, or no oil.