If you desperately need to top off a quart, yes. It said on the bottles that the synthetic and non-synthetic oils are. 10W30 is preferred in warmer climates, but you should. If the oil will be in the engine during winter and you live in a place where. The following number is the viscosity, or thickness, of the motor oil at low temperatures. The answer is yes, you can mix 10w30 and 5w30 oils in your vehicle. mix 10w 30 with 5w 30 ? The owners manuals for a couple vehicles I own describes on the little chart the temperature ranges with which either 5w 30 motor oil or 10w 30 can/should be used. The 10w30 motor oil is suitable for engines using advanced fuels such as biofuel and biodiesel. 1. The engine is the 1999 5. What is less (or not) predictable is the low temperature viscosity of 5W or 0W. Best Practices: If you need to mix 5W-30 oils from different brands, it should be a temporary solution. Jan 30, 2015. In this article, we will explore the implications of mixing these oils and whether it’s a good idea for your vehicle’s performance and longevity. 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. e. #4. Potential Issues with Mixing 10w30 and 5w30. Yes, you can mix them. As such, mixing synthetic. 10w30 can also be used. So while an engine heats up during Winter, the 10W30 oil helps reduce the engine’s. So, let’s start with a table comparing both the engine oils in different parameters under warmer conditions–. At operating temperature 5w30 and 10w30 are the same and can be mixed. This combination is indeed safe. Remember, this engine in an air-cooled engine many of the parts get localized heating. Master Tech at my local dealer, who works on most M5/Z8, said to use 5W-30 - should be just fine for S62. 5w30 and 10w30 are two of the most common motor oils. Of course you can. 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. Yes, you can mix 5w30 and 10w30 oil. The Society of Automotive Engineers determines the viscosity ratings of motor oil. 6L Ford V8 - I own a F-150 2001 with a 4. Theoretically it is not advisable to blend oils. It cost $2 a quart more too. When motor oils mix inside the car, the engine would still run properly, but not as efficiently as it used to. Demonstrates 55% better deposit control than CK-4 15W-40 oil as demonstrated in multiple deposit control tests. As a result, you will need a few quarts of 5W20 and one of 10W30. There is no mention of 5w40 motor oil in the recommended list. -for at least the last 40 or 50 years. . Whereas 10w30 is a high-grade oil and has a higher density. Frankenstein by saving a 5 qt oil jug so you can mix them in the celler (or attic) on a dark and stormy night. “5w20” means the oil weight in cold temperatures is “5,” and in high temperatures, the weight is “20. Mixing the viscosity of oils will not have any effect on the engine. #4 · Apr 8, 2013 (Edited) I would not mix 2. Can I mix 5W-30 and 10W-30 oil? Mixing different types of oil is generally not recommended, as it can negatively impact engine performance and potentially cause damage. If you are in that part of NorCal where it's truly -10 or more, consider M1 AFE 0w-30. Just remember: Always use the weight of oil that is recommended, and you will have a. 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. 10w30 just like 5w30 engine oil is capable of maintaining its viscosity even under high temperatures. Mahzurrah! Mar 5, 2021. This article is a must-read for those who want to fully comprehend the implications of switching between these two oil types. Q. Merely, it’s easy to understand that the lower the. Therefore, the 5w40 motor is not thick if it has a high viscosity. Can I Mix 10w30 and 5w30? Most oils will mix perfectly, provided they have a similar synthetic. Yes, you can use 10w30 instead of 5w30 engine 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. It may be used at temperatures ranging from -31°F to 95°F / -35°C to +35°C (outside temperature). Quaker State. So you can use 5w30 motor oil for your engine because it is recommended and suitable. These two oils are a perfect blend with almost identical viscosity. Although 5w30 is less dense, their viscosity is similar, and their combination is perfect. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing them. It is impossible to combine the two oils into a single oil. At lower temperatures, both 5W20. 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. Pennzoil Ultra Platinum. The engine will not work correctly, and if you use the mixture for a long time, the engine will be significantly damaged. But, It’s highly recommended to use a brand with the same API class. of gas) to 50:1 (2-1/2-oz. This means that the viscosity will rebalance and will create a new one. However, 5w30 is better than 10w30 because it has a higher viscosity, which means that it is thicker and more viscous. 10w30 oil and 5w30 oil are of the same synthetic type. Therefore, they will flow in the same manner. 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. The properties 5W-30 will be diluted if the two are used, and engine performance will probably suffer. Whether it is safe or not to mix oils of different grades depends on the engine. Most cars that recommend 0W-20 or 5W-20 do so for fuel economy reasons and can use 5W-30 with no ill effects. If you are a practical person, just go ahead - after all it is your car. Mixing 5w 30 with 10w 30 is permissible as long as the ratio is appropriate, but it is not recommended by most vehicle manufacturers. So in using 0w30 motor oil in replacement to the 10w30. As a result, combining the two oils in your engine may be okay. No Doom and Gloom will result. 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. Regular 10w30 oil can be used and mixed with the gas, or 2 stroke oil. 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. Are you wondering if mixing different engine oils will damage your engine?You may even have accidentally mixed 5w30 into 5w20 recently. 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. The 5w30 oil will thin out the 5w20 oil and won’t flow as well in cold weather. Now, did Lexus spend all sorts of money. Therefore, you can mix 5W30 with 10W30 with no ill effects whatsoever. 5%. The 10w30 will be thicker during cold starts than 5w30, but once the engine warms up, their viscosities are similar. Now, let’s address the question of whether you can mix 5w30 and 10w30 oils. 10W-30 isn’t any different at starting temperatures than 10W-40 – but at operating temperature, the environment isn’t going to have as profound an effect as if it were hot outside the vehicle. As a result, you have the option of mixing the two oils. Both are multi-grade oils; however, 5w30 is thinner and faster-flowing oil, making it better suited for light-duty vehicles, while 10w30 has a thicker, slower-moving composition ideal for heavy-duty engine applications. It cost $2 a quart more too. 3. If you search online about mixing oils, you will get a lot of people telling you it is okay. So for the question, the answer is yes. J. This enables the 5w20 motor oil to reach engine parts quicker and create less drag that reduces fuel economy. They’ll mix seamlessly. Both the oils have the same viscosity (5W) though the viscosity index is different. They should mix well since these two oils have somewhat similar viscosities. I love mixing brands but grades I dont like to do. 5w30 oil is lower in viscosity and there is a small chance of the car not running. As briefly answered in the intro paragraphs above, the simple answer is YES. The answer is that ANY one can be used regardless of the vehicle owners manual recommendation. No one knows if the resultant mixture is better or worse than the unmixed oil without expensive and extensive testing. If you want to mix, consider mixing straight grade oils. It gets really interesting when adding multiweight to straight weight. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Aug 2, 2011. There are, as we’ll see later, pros and cons to doing so and mixing engine oil weights. It isn’t corrosive,. This comes from people who own these cars not a computer telling a guy at a store. Using 10W40 in an engine designed for 5W30 can lead to: Delayed engine start: The thicker 10W40 might not flow as quickly as 5W30, especially during colder conditions. However, it is never recommended. Mixing 10W30 and 10W40 Motor Oils. One year, I had some 0W30, and I used that. 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. 10w-30 and 15w-50 4 qt's of 10w 30 1 qt 15w-50 so 10x4=40 plus 15=55 divided by 5=11W 30x4=120 plus 50=170 divided by 5=34 so your new oil wt. 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. Both syn oils. ") either of the Phillips Choice 5w20, 5w30 syn-blend oils sounds fine to me. SAE 30 is a single-grade motor oil that provides adequate lubrication to engine parts when operating under hot viscosity conditions. 10w30 provides sealing action in the engine due to the fact that it is thicker than 5w30 engine oil. That said, for warmer areas or throughout the warmer seasons, we use 5w-30 motor oil instead of 10w-30. Dec 9, 2009. Take a close look at the viscosity numbers on the product data sheets. 731. And when the weather is cold, 10w30 will circulate and help your engine get started a lot quicker. Do not run more. However, it is advised against because of multiple reasons. If your tractor or truck calls for 20W hydraulic oil, it may be. For a multiple viscosity oil, the first number is the viscosity when it is cold and the second number is the viscosity when the engine has reached its operating temperature. But the resulting oil should still be at least a 5W. The upside of synthetics is they handle heat much better. 10w30 oil provides a better seal and better protection than 5w30 oil because of its higher viscosity. winters as cold as -20F. It is, however, somewhat thicker than 5W20 at higher temperatures. of gas). Even the oil mix of the synthetic and conventional blend will show you no harm to your engine. The discrepancy occurs when there is a sharp difference in the viscosities of two fluids that retards the thorough mixing. The 5w20 oil is significantly thinner than the 10w30 oil. Mixing one quart out of six doesn't seem like enough to degrade cold flow to take a 0W to a 5W. Can I use 0W-30 instead of sae30? A: NO, this is NOT the same as 0W-30 oil. However, do not mix different grades of oil together. Your engine won’t explode or freeze up if you do. 5W-40 you'd need to start with 0W-30 & 15W-50. Here is the reply "Yes, the engine included with the package is a 2 stroke unit. Here’s a look at 10w30 and 5w30 and how they affect your engine. 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. But in winter, it becomes difficult to run a snowblower in ice with 10w30. Therefore, you can mix 5W30 with 10W30 with no ill effects whatsoever. driving round and round I go, where I stop I do not know. So you can use 5w30 motor oil for your engine because it is recommended and suitable. It’s worth remembering that 10W-30 has more density than 5W-30, so make sure you pour an appropriate amount when mixing. Yes, you can use 5w30 instead of 5w20 in your ford car. The TSB about the use of 5w20 was for the 3MZ-FE engine (the 3. You might be wondering whether you can mix 5W30 and 10W30 oil. The hot viscosity (100 degrees C) for the 0W20 is between 5. Say we add a quart of 5w30 to 2 quarts of straight 30 weight. I would definitely use SS 5w30 over sae 30 in a snowblower. The other number is the weight of the oil and can’t be mixed. Both are the same viscosity at operating temperatures. Mixing ratios of gas to oil vary, but usually range from 30:1 (4-1/4-oz. Viscosity is the level of a liquid’s resistance to flow. But he has some 10W-30 in his garage, so he uses it to change the oil. (Explained) Can I mix 5w30 with 10w30? Well, many drivers often think it is good to pour 5w30 oil with 10w30 oil. They will not become a single oil as you might have hoped. 5w30 is also the thinner engine oil of the two at lower temperatures. This combo is perfect and pretty much safe to use. Still best to use the oil type weight recommended by the OM. So, it is best for vehicles running in cold climates to use the 5W30 since it is thinner than the 10w30. In an 07 I do no think it would be an issue at all to go 2. Mixing SAE 30 and 10w30 is a terrible idea and might have you counting losses. 5w30 oil is thinner than 10w30 oil and therefore will not provide the same level of protection to your engine as 10w30 oil. Or 10w30 into 5w20. The short answer to this is no, 10W-30 oil is not the same as SAE 30. 9.