Id say that if you could, run your maxlife 5w- for the winter OCI and the 10w- in the summer OCI. And windchill only affects skin. So, due to viscosity, 5w20 is a thinner oil during operating temperatures, whereas 5w30 is thicker during. #1. When purchasing oil for your generator, Generac experts advise that you follow these guidelines: Above 32°F (0°C), use SAE 30; below 40°F (4. 5 + 10. Different oil producers have different standards, and it is noticeable in the oil quality. In the long run, a mixture of 5W20 and 5W30 engine oil can restrict oil movement, make the engine hotter, increase moving parts friction and reduce overall fuel economy. Pennzoil Platinum Dexos1 Gen2 5W30 satisfies all my requirements. The difference between 10W30 multi – grade and straight grade oil is that it has been formulated to provide a 10W viscosity at very low temperatures to aid in cold-cranking in heavy engines. 0 or lower HTHS of a 5-30 under the hot conditions an air cooled engine experiences. for my engine spec'd for 5W-30 or 10W-30, shouldn't be an issue right? It's either going to be that or M1 HM 10W-30. Can You Mix SAE 30 and 5W-30. This is because both oils have the same API classification (in this case, SN). Given that a 0w-40 or a 5w-40 likely has ACEA ratings, and that those ACEA ratings aren't going to be A1/B1 A5/B5, I wonder about mixing them with an ILSAC lube. ; Mixing 10w30. C. 4,373. 8 degrees Celsius). Quick answer: most often yes, but not desirable. Example 5w20 may have a cSt of 8. and how it doesn't agree with these motors due to very tight clearances. Ford said that at -20F (-28C), conventional 5W-30 took 30 seconds to pump up to the valve train, while conventional 10W-30 needed 2 minutes. But once warmed up the 10w30 or 0w30 are not going to make that much difference. If I was you though, I would just run the Valvoline VR1 5w-50 synthetic and not worry about trying to mix oils. Mixing different oil. Many people wonder if they can mix 5w20 and 10w30 motor oils. While they are both multi-grade oils that protect and lubricate the engine, they have varying properties. 0. " I agree that mixing oil viscosities isn't really necessary though. This can be beneficial in higher heat conditions or for engines that operate at higher temperatures. Resources Can I Mix 0w30 and 5w30 Oil? To answer, let us first know and define both oils. Take a close look at the viscosity numbers on the product data sheets. The 5w30 when cold will still be thicker than the 10w30 when hot anyways so it doesn't matter. such as mixing 5w20 and 5w30, using 10w30 instead of 5w30, and mixing 5w30 with 5w40. 5W – 30 and 10W – 30 lubricants have the same viscosity at the operating temperature of the engine. Just keep the oil at the full mark. But you can mix nearly identical multi-grade oils in some cases. Eventually, it will increase its operational capability in cold weather. Your car manufacturer’s recommendation notwithstanding, mixing 5W20 and 10W30 won’t cause any harm to your engine. the biggest difference you can do is plug in an oil pan heater on a timer for 3 hours before you anticipate leaving in the morning. No one knows if the resultant mixture is better or worse than the unmixed oil without expensive and extensive testing. Can I use 0W-30 instead of sae30? A: NO, this is NOT the same as 0W-30 oil. This motor oil is used for internal combustion engines found in lawnmowers, motorcycles, powering cars, and another list of machines; how an engine works is accompanied by moving parts. . What's strange is that 5W40 is recommended instead of 5W30 or 0W30. You can mix 5W-30 and 10W-30 or combine a lighter-weight oil with a heavier one, in general. The net effect of adding 1/2 or 1 gt of anything in your 4. Sometimes thicker oil is even recommended in higher mileage engines, although I believe the jury is still out on it. If you search online about mixing oils, you will get a lot of people telling you it is okay. To better understand, in a 5W-30 oil, the "W" stands for winter performance. Mixing the viscosity of oils will not have any effect on the engine. Mar 29, 2009. Now, let’s address the question of whether you can mix 5w30 and 10w30 oils. It’s hard to tell the difference between 5w30 and 10w30 in terms of. Generally speaking, you can use 10W30 instead of 5W30. Joined Sep 27, 2011 Messages 218 Location New Jersey, USA. You will not see a immediate failure if you mix the oils, but it will cause premature wear. 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. 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. So you can use 5w30 motor oil for your engine because it is recommended and suitable. But you should remember that it is not recommended. Cons: I only see ( " 5 "w -30 ) available at my local auto shop nowadays, never the 10w. And the number or viscosity grades say it all. This problem can cause a bearing to go bad due to spinning. This makes it better at protecting your engine from wear. Can you mix 5w30 and 10w30 oil without causing damage to your vehicle? The answer is yes. The only difference between these two oils is cold flow ability: a 10w30 oil will move slower than a 5w30 oil during cold startups. #3. This motor oil is used commonly in different types of vehicles. However, it is not recommended as it could potentially damage your engine. Germantown TN 38138. When it comes to choosing the right motor oil for your vehicle, you may come across. One year, I had some 0W30, and I used that. 00 a quart, why not continue to follow the manufactures recommendations. For example, if you usually use 5W-30 oil in your car, but you’re low on 5W-30, all you have is 10W-30. 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. A little bit of non diesel oil added as makeup shouldn't make any difference. 10w30, on the other hand, has different properties from the 5w30. What do y'all think. I might bump up to 5w-30 next oil change because my piece of shiat is burning oil. 1qts. Johnny. Moreover, we’ll then look at whether or not you can mix 10w30 and 5w20 engine oils for your car. Tire;. You can mix them and use them accordingly. But 10w30 is heavier; therefore, you should avoid using it in winter. 10W-30 Engine Oil to find out which one is best for you. Synthetic 5W-30 can be used in all temperatures. Re: Can I mix Mobil1 5W-30 with Mobil1 10W-30? (kaitsu) No problem. Engine Wear: At higher temperatures, the 10W-30 oil will be thicker than 5W-20. First, mixing motor oil grades can create an oil pressure decrease as the engine revs higher. It would almost definitely end up being a 40 at 100C, but the W-number is not possible to predict. #4. If they originally recommended 5W-30, your mixture will not pump as well at very cold temperatures. The 5w30 has more viscosity index improvers vs the 10w30 so technically the 10w30 would have more oil that lubricates the engine. 5W30 to 10W30. So, feel free to consolidate all vehicles to a 5w30 or 10w30. I like Royal Purple 10w-30. This is illustrated by these two equally important points: Adding synthetic oil to regular motor oil will not enhance the regular oilUses of 5w30 & 5w40. 5W-30 is going to have the same viscosity as 10W-30 when the oil is hot. The Pennzoil 5W-30 Synthetic Oil can be used for all vehicles with API SN and ILSAC GF-5 specifications. While they are both designed to lubricate your engine, they have different viscosities, which can affect their performance. After it is out of warranty it's your call. 7cst), so they are almost a 20-weight. 5W-30 is going to have the same viscosity as 10W-30 when the oil is hot. Louis, Mo. Was thinking of going with 10W30 instead of recommended 5W30 to. My E430 sump is currently have 6 qts M1 0W20 and 2. Engine oil has a higher sheer rating than hydraulic oil. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. But I have always felt that 10w30 will flow just as fast as 5w30 in the hot weather, especially since their. I had a 2012 outback which used 5w-30 synthetic oil, now I have a 2015 out which uses 0w-20 synthetic oil. There is no mention of the 15w40 motor oil for these engines, so it might be better to avoid it. Mixing 5W20 and 5W30 oils can result in: Reduced Lubrication. 0 or 6. This fuel is economical. By using 10w30 instead of SAE 30 during cold temperatures, there will be less wear on the. The only difference is how well each oil works in cold weather. the engine is the 3. However, it’s always best to stick to the viscosity oil requirements mentioned in the engine manual. They can mix easily, which can help the engine run properly. Mixing 5w30 and 10w30 will bring zero advantages for you. The answer is yes; you can mix 10w30 and 10w40 oil. Me? I would run a 5W30 dexos oil or a good name brand 10W30 full synthetic. The two motor oils will stay the same oil. However, the former has a faster rate of thinning compared to the latter when temperatures increase. 7 was due to excessive shear with 5w30s when the engine was introduced. If you are concerned get the thicker syn to mix in the blend and call it a day (i. The only difference between the two oils is the low temperature point, with the 5W30 oil functioning slightly better than the 10W30 oil. Mixing 10W30 and 5W30 won’t result in any chemical reactions or produce harmful compounds. BC, Canada. Nissan does not recommend these two oils, however you can give them a shot if you want. So if you want to mix 20w50 oil with a 10w30 oil or if you have to, you can mix them both up. 7%. 10w30 will flow just as well on a cold startup when it's 90 degrees outside. Manufacturers designed these oils to protect the engine. might as well just use 5W-30 for. Yes, you can use 5w30 instead of 5w20 in your ford car. Or 10w30 into 5w20. Regular 10w30 oil can be used and mixed with the gas, or 2 stroke oil. It’s pretty much okay to mix. 9-11. SAE 30 Oil and Its Benefits. If you mix two different oils with two different viscosities, you are doing something that is not recommended. The reason for the mix is that I wanted something a little heavier for summer driving here is So. 5w30 is a thinner oil than 10w40. FWIW the 5w30 will go fine to 5000 oci in severe service in the SUmmer. 5w30 and is perfect. The answer is yes; you can mix 5w20 and 10w30 oil. Midwest, Illinois. Location. Which Oil Is Best For My Car SAE30 Or 5w30 Or 10W30? If you owned an old car then using a single-grade engines oil such as SAE30, 40 or any other would. The short answer to this is no, 10W-30 oil is not the same as SAE 30. This is because they essentially have the same viscosity at the same temperature, making them blend nicely. Mixing 0w20 and 5w30 will typically give you a heavy 20-weight or light 30-weight. 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. I have an hour meter on my mower, and it shows that I use it 60 to 65 hours a year. While both types of oil will do the same job at. Regular 10w30 oil can be used and mixed with the gas, or 2 stroke oil. I did e-mail Mobil 1 some time ago about mixing their oil. It has had a diet of 5w30, 10w30, and 10w40 oils and lately I have added in some 0w20 synthetics into my mix. In 2005, they changed their recommendations again (but only for 2005 and newer engines) to a 5W-20 oil. Are you wondering if mixing different engine oils will damage your engine?You may even have accidentally mixed 5w30 into 5w20 recently. Motor oil thins as it heats and thickens as it cools. I may run 10w30 in my Tacoma when the next interval is due. Nov 27, 2010. Considering that the W in the rating stands for winter, you can see that 5w30 is going to have a lower viscosity rating than the 10w30. Always check the manufacturer’s specifications and guidelines before using any oil in your air compressor. Apr 20, 2004. Can you mix 5W-30 with 10W-30? In general, it is not recommended to mix 5W-30 and 10W-30 motor oils. #3. It is entirely safe and okay to mix 5W30 and 5W20. 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. If you add 5W20 to 5W30, the result is an intermediate viscosity, which may not flow easily as the original oil. Today, I personally don't see the point in a passenger car. Jan 30, 2015. 10w30 conventional oil will hold up better and last longer in use compared to a 5w30 conventional. Pros: I have 2 new full quart bottles of 10w-30 motor oil for my 90's pickup in my garage. To mix and homogenize 5W30 and 10W30 properly, firstly pour 5W30 oil into the engine and then add 10W30. No one knows if the resultant mixture is better or worse than the unmixed oil without expensive and extensive testing. Mar 20, 2014. Cal. In cold climates, the viscosity of 5w30 is 5. You can buy 30 or 40 weight oil, and you can also get multiple viscosity oil such as 10W-30 or 10W-40. Ignition – Since 10w20 oil is thicker and combusts at a higher temperature of -18° to 30° Celsius, it may make ignition harder, especially in lower temperatures. Frankenstein by saving a 5 qt oil jug so you can mix them in the celler (or attic) on a dark and stormy night. It’s not necessarily ideal, but doing so won’t cause harm to your engine. ; Climate and engine – Some conditions are more suitable for mixed oils. There are, as we’ll see later, pros and cons to doing so and mixing engine oil weights. 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. Yes, you can consider using 10w30 instead of 5w30 in the summer when temperatures are higher. A mixture of two motor oils that have. As for oil viscosities, mixing 10W30 and. Vehicle manufacturers recommend using motor oils meeting certain viscosity grades and American Petroleum Institute service requirements. The answer is yes. A.