So hot weather or cold weather will affect the usage of 0w20 more than the 5w30 motor oil. The answer is yes; you can mix 5w20 and 10w30 oil. Can You Mix 5w-30 and 10w-30? – Safety Aspects. Yours could be different tho. 10w30 can also be used. The recommended motor oil for Nissan vehicles is 5w30 and 10w30. The engine will not work correctly, and if you use the mixture for a long time, the engine will be significantly damaged. Can You Mix SAE 30 and 5W-30. If you add 5W20 to 5W30, the result is an intermediate viscosity, which may not flow easily as the original oil. Viscosity is the level of a liquid’s resistance to flow. #4. It’s pretty much okay to mix 10w30 with 5w30. This means that this motor oil is less dangerous when below freezing. The first number (5 or 10) refers to the oil’s viscosity at low temperatures – meaning how thick or. By using 10w30 instead of SAE 30 during cold temperatures, there will be less wear on the. If the engine is used a little bit around the house, any 5w30 full synthetic or 10w30 will do. Whereas 10w30 is a high-grade oil and has a higher density. As a result, you have the option of mixing the two oils. This is. 10w30 is rated for -15F easily. . If the oil will be in the engine during winter and you live in a place where. Can I Mix 10w30 and 5w30? Most oils will mix perfectly, provided they have a similar synthetic. However, note that both the engine oils, 5W-30 and. No one knows if the resultant mixture is better or worse than the unmixed oil without expensive and extensive testing. In this post, we’ll also look at if it’s safe to use regular oil after synthetic oil. But, even if you pour in the 10w30 without removing the old oil, nothing would damage the engine, but you’d notice a significant drop in performance as the oils try to mix and flow. It will work great in your car in Georgia year-round. Since oil 10W-30 has a higher number before ‘W,’ it won’t flow as quickly as 5W-30 at a lower temperature. It cost $2 a quart more too. Oil should be changed after the first 20-30 hours of operation and every 100 hours of run time thereafter. Thanks to their close viscosity, mixing the two oils will have no damaging effect on the engine. So if you want to mix 20w50 oil with a 10w30 oil or if you have to, you can mix them both up. The blending of both oils won’t do the engine any harm, at least not immediately. So, 5w30 and 10w30 oil can be mixed without causing any harm, so you can do so. was the standard, I call it a 5w-30 engine so we can compare what the manufacturer called for when new (and back when oil was not what it is now) to what. All in all, be it 5w30 or 10w30, either is better for your vehicle. On the other hand, “5w30” means the oil weight is “5” in cold temps and “30” in high temps. The recommended motor oil for Nissan vehicles is 5w30 and 10w30. 25 qts of 5-30. The downside to 10w30 is it can be had in some low quality lubes, so make sure you go for a quality. If your motor oil will be in the engine during winter, use 5w30 motor oil. However, with so many different types of oil on the market, it is important to test each oil individually. Plus, both of them have the same viscosity at temperatures. Both have the same viscosity at higher temperatures, but 5W30 is slightly thinner than 10W30 at cold temperatures. Also Read: Can I Use 10w30 Instead of 5w30? When to Use 10w30 Oil. 10w30 provides sealing action in the engine due to the fact that it is thicker than 5w30 engine oil. The following number is the viscosity, or thickness, of the motor oil at low temperatures. You have some 5w20 in your fuel tank, but you are planning to pour some 10w30. However, the 10W – 30 oil will be thicker when it is cold. . So, due to viscosity, 5w20 is a thinner oil during operating temperatures, whereas 5w30 is thicker during. of gas) to 50:1 (2-1/2-oz. The upside of synthetics is they handle heat much better. As a result, combining the two oils in your engine may be okay. Originally posted by boxcartommie22: i got this from the million mile book. You can mix them and use them accordingly. DS 30-weights are very thin (9. The main difference between 5w30 and 10w30 is that the latter has a higher Viscosity Index (VI) than the former. Therefore, they will flow in the same manner. It should be avoided at all costs. 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. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Yes, you can add 0w20 oil to 5w30 oil. It slightly reduces fuel efficiency. Published by Dustin Babich on 29 May 2023. 10w. While it is generally safe to add or mix a few volumes to top up your oil, we still advise doing it in an emergency case only. #1 · Jul 1, 2018. In cold climates, the viscosity of 5w30 is 5. Goes beyond CK-4 wear limits, delivering an average of 37% better than the maximum wear requirements. If you want to mix, consider mixing straight grade oils. Jan 30, 2015. You can mix 5W30 and 5W20. AMSOIL 0W-30, 5W-30 and 10W-30 synthetic motor oils are ALL 30 weight oils. But as the engine heats up, the 5W-20. They can’t be mixed during low temperatures. Dec 9, 2009. But you should remember that it is not recommended. What are the opinions of mixing 0w16 and say 10w30 or 5w30 (in summer of course) to get closer to 20 weight? I know some will say "just buy the proper grade oil" but my first sentence explains why I ask this. The lower the number, the faster the oil will flow at vehicle start up. Take a close look at the viscosity numbers on the product data sheets. There is minimal viscosity difference between 5w30 and 5w20. 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. Like engine oil, you can use multiple oils in the same engine if they are of the same synthetic type. However, doing so is not ideal if you want to reap the benefits of what the motor oil brand intends. However, you need to know the right way to do this. Inside your engine, both oil formulations can withstand temperatures of up to 100°C/212°F. Myself I'm in SoCal and doing desert trips to AZ so I use M1 0w-40. Compatibility of 5w30 and 10w30. So 5W-30 has a lower viscosity at cold temperatures than 10W-30 because its viscosity index is lower than 10W-30’s. CK-4 (CES 20086) was made specifically for that. 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. Frankenstein by saving a 5 qt oil jug so you can mix them in the celler (or attic) on a dark and stormy night. May 21, 2012. So, 5w30 and 10w30 oil can be mixed without causing any harm, so you can do so. Mine uses 0w30. Quaker State. W means winter. Aug 2, 2011. 5 of 5-30 if it was newer. The EC product is a heavier 30wt than most others, & meets ACEA A3 specs. So we're effectively down to 5W20 vs 5W30 discussion, of which there are already plenty in the archives. 5. Can I use 0W-30 instead of sae30? A: NO, this is NOT the same as 0W-30 oil. Texas. Both the oils have the same viscosity (5W) though the viscosity index is different. The discrepancy occurs when there is a sharp difference in the viscosities of two fluids that retards the thorough mixing. You may combine 10w 30 and 5w 30. You might think this would mean that 5W-30 would flow out of your engine faster than 10W-30 when cold, which could be bad if you’re trying to start your car in sub-20-degree weather. If your tractor or truck calls for 20W hydraulic oil, it may be. If it flows better, it's not a 10W-30. 5W20 will flow easier in cold/low temperatures to keep your engine parts. Castrol GTX MAGNATEC Motor Oil 5W30 Full Synthetic 5 L. For older engines the new high milage oils are helpful. First, it’s important to understand the numbers in motor oil grades like 5W30 and 10W30. For example, according to the United States Department of Agriculture (USDA), women age 19 to 30 years who exercise for less than 30 minutes each day should consume about 6 teaspoons of oils each day, and women above age 30 years need 5 teaspoons. Unless you are experiencing some very cold, and I mean VERY cold temps, 10w30 will work fine. Dec 17, 2016. It is allowable and. ") either of the Phillips Choice 5w20, 5w30 syn-blend oils sounds fine to me. But generally, it’s best not to make a habit of blending different viscosity motor oils. If you want to strike a balance between the affordability of conventional oil and the benefits of synthetic oil, opt for a. 6. Typically a mix of synthetic and conventional base oils. The choice between 5W-30 and 10W-30 depends on the specific needs of your engine and the driving conditions you encounter. Mixing ratios of gas to oil vary, but usually range from 30:1 (4-1/4-oz. 3 to get the second number. This enables the 5w20 motor oil to reach engine parts quicker and create less drag that reduces fuel economy. However, in 2010 models (which still use the 2GR-FE engine) Lexus specifies 0W20 oil only. Afghanistan. Yes, it is perfectly safe for you to mix 5W-30 and 10W-30 engine oils. of oil to one gal. M1 10W30 has a KV40 of 63. You can mix them and use them accordingly. More expensive to make so they charge slightly more. That may be true with Mobil's offerings, but Castrol, and Pennzoil 10w vs 5w can be many CST's different. i. 10W-30 Engine Oil to find out which one is best for you. 7%. Q. It is absolutely fine for your vehicle as they have pretty much the same grade of viscosity in temperature, thereby making them blend well. In fact, race teams that use Mobil 1 regularly mix 10W-30 with 15W-50 to achieve the desired blend for the particular temps and race duration. 10w30 oil provides a better seal and better protection than 5w30 oil because of its higher viscosity. The following number is the viscosity, or thickness, of the motor oil at low temperatures. 5w30 is used for light-duty engines while 10w30 is used for engines which carry heavier loads. Mixing 10W30 and 10W40 Motor Oils. It depends on how much of a ratio you use and how long you continue to run your lawnmower with the new oil cocktail. They will mix perfectly. This is because both 5w30 motor oil and 10w30 motor oil will have the same viscosity in operating temperatures. Can you mix 5W30 and 10W30 engine oils? Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Mixing the viscosity of oils will not have any effect on the engine. Additionally, the two oils have different additives. You can mix 0w3o and 5w30 oil, but it is not recommended. 5w30 and 10w30 motor oils have a similar viscosity, so mixing them is not harmful. I definitely agree with the other posts that there is no way that you can tell between 10w40 and 5w30. 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. -for at least the last 40 or 50 years. Can I use 5w30. #3. By default, the oil is thinner than the 10W30 engine oil in cold weather. The short answer is yes, you can mix 10w30 and 5w30 under certain circumstances. Mixing the viscosity of oils will not have any effect on the engine. 10w30 oil is thicker and heavier than 5w30 oil because it has a higher viscosity at low temperatures. I agree. This is because some oils are designed for specific needs – either high performance or low-temperature protection. The 5w30 oil will thin out the 5w20 oil and won’t flow as well in cold weather. The answer is yes, you can mix 10w30 and 5w30 oils in your vehicle. WHAT ABOUT MIXING ENGINE OIL BRANDS? Yes. 5676 posts · Joined 2009. 5W-20 flows more easily due to its lower viscosity; however, at 212°F, 5W-30 is slightly more viscous. Both these two engine oils will act similarly. These oils share a close viscosity profile, making them compatible for blending. This is because they essentially have the same viscosity at the same temperature, making them blend nicely together for your car. Older engines can use the SAE30, while the 10W30 is for modern engines. Can You Mix 10W30 And 10W40 Motor Oil? You should avoid mixing 10W30 and 10W40 motor oil whenever possible. Just like mixing oil brands would change things that could affect. Nothing will happen if you put 10w30 instead of 5w30. s then devide. Both are the same viscosity at operating temperatures. So a lot of drivers are already doing it. Although 5w30 is less dense, their viscosity is similar, and their combination is perfect. New Jersey. 10W30. Engines run fine!0. In an 07 I do no think it would be an issue at all to go 2. It is denoted by a combination of numbers and letters, such as 5w30 and 10w30. However, using thicker oil than recommended will put more stress on the engine resulting in premature wear of engine parts and poor fuel economy. For the 5w20 motor oil, the twenty indicates that the motor oil has a low viscosity and is also thinner in high temperatures. However, 10w30 is a multigrade oil that performs well in hot and cold temperatures. In most cases, you can always use the 10w30 oil, but be sure it has the appropriate weight for your vehicle. As 5W30 is a thin oil, mixing it with 10W40 will give you a much thinner oil. So if you’re a little hesitant about the safety, there’s no need to be concerned as mixing these two oils will not harm your engine.