Odd, I'm running a 0w30 GC / 5w20 gtx HM mix myself in one of my mowers that calls for 10w30. 6. They are both multi-grade oils and are compatible with each other. This is a mixture of 8 oz. It is impossible to combine the two oils into a single oil. However, you can use 0w30 motor oil in times or places where the weather is freezing. We would like to show you a description here but the site won’t allow us. The difference between 5w30 motor oil and 5w40 motor oil in terms of viscosity is that the 5w40 motor oil has a larger viscosity than the 5w30 motor oil. However, if you do use 10w30 in a 5w20 engine, it may lead to several negative effects on your car –. 5w30: This type of oil is generally recommended for passenger cars, SUVs, and other light-duty vehicles that are not used for heavy-duty applications. 5. So, can you mix 5W30 and 5W40 oil? Yes, you can mix both oils – they have the same low temp viscosity (5) rating and would flow evenly to the top ends. They are backwards compatible. Therefore, it will be less practical to pour mixed oil into your engine if you live in warm weather as the 10w40 is thicker than the 10w30. So, you can expect a 10W-30 rated oil to thin out faster than a 10W-40 rated oil in hot weather. AMSOIL 0W-30, 5W-30 and 10W-30 synthetic motor oils are ALL 30 weight oils. I would recommend using the 10w30 engine oil as recommended by case. You can go with 5w30 motor oil if the weather is cold. ago. There's been talk before of owners using too heavy of a wt. It’s possible to put in 10w30 oil without removing the previous one, but you’ll notice a considerable decline in performance while the oils try to mix and flow. Synthetic 5W-30 can be used in all temperatures. ”. The 5w30 when cold will still be thicker than the 10w30 when hot anyways so it doesn't matter. Available in 5W-20, 5W-30, 10W-30 and 10W-40 viscosities. 10W40. However, because it is thinner it. 20W40 oils on the other hand work better at a bit higher temperature. However,. In cold climates, the viscosity of 5w30 is 5. As a car driver, you must know that motor oil is used as a lubricant. The 5w20 and 5w30 are closely similar, but definitely not the same. Pouring in 10W30 to an engine that has been running 5W30 is safe and poses no harm. The main difference between SAE 30 and 10W30 motor oil is the viscosity. Below 40°F and down to -10°F, use 10W-30. Remember a powerful engine like the mustang 5. Moreover, mixing 10w30 and 5w30 can cause a few different problems. The reason behind diminished performance and reduced gaps lies in unmingled additives from different grade oils. But at low temperatures, they show opposite reactions. Apr 20, 2004. Location. Yes, you can use 5w30 oil in your lawn mower engine. So, the main point is this; you can use 5w30 instead of 5w20 for your Jeep and not notice any significant change in how your engine works. 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. Which oil is better 5w30 or 10w30? 5w30 is less viscous than 10w30. 30 weight goes from. Every 40 weight I put in was in the 30 weight range. This changes how well the two oils work together. Q. If possible, go to your local store and get a few quarts of oil your car manufacturer recommends. The primary difference between 10w30 VS 5w30 oil is their viscosity. As the viscosity of these two oils is very close, they will mix properly. Conclusion. The ”W” in the two oils stands for winter. It allows your generator to crank up faster while also reducing the time it takes for the unit to reach optimal temperatures and sustain its output power without overheating or causing any damage. Madiganistan/Chiraq. However, it is advised against because of multiple reasons. No, 10W30 is not thicker than 10W40; instead, it is the other way round – 10W40 is thicker than 10W30. It’s best to use the oil viscosity recommended in the owner’s manual, but using a slightly thinner or thicker oil (lighter or heavier viscosity) generally poses no long-term harm. Here’s a look at 10w30 and 5w30 and how they affect your engine. Since oil 10W-30 has a higher number before ‘W,’ it won’t flow as quickly as 5W-30 at a lower temperature. 5w30 is used for light-duty engines while 10w30 is used for engines which carry heavier loads. If an. But refer to your owner’s manual for the best choice. Adding a 10W-30 to a 5W-30 should be fine for a top-up, but is not ideal for a complete service interval. 10W-30 could theoretically work in your area then as long as you don't plan to drive anywhere that goes below lets say 40 F. 5w30 & 10w30 have the same degree of viscosity at the same temperature, which makes them blend. Pro Tip: Consult your vehicle’s manual or seek professional advice before choosing the appropriate motor oil grade. For severe duty, high-speed, four-stroke engines using fuel with less than 0. For example, you can mix 5W-30 oil with 10W-30 oil without problems. Moreover, mixing oils of different viscosity ratings can affect the. Temperature Range. By default, the oil is thinner than the 10W30 engine oil in cold weather. Bottom Line. 5w30 is less viscous, so it can reach even the parts of the engine that are hard to reach for lubrication. The engine oil will flow slower than 5w30 when it is cold. You should not mix 10w30 and 5w30 at any cost! While you can use 10w30 oil in most cases, it is always best to ensure that 10w30 is the correct weight for your car. Add in half of your measured amount of 5w40. But as both are synthetic oils and. Both oils are formulated to protect against wear and tear on engine. It means the number after W must be 30. Amsoil small engine 10w30 Even then SS 5w30 is much better. Jun 24, 2018. Uses of 5w30 & 5w40. It is safe to mix 5w20 and 5w30 as long as you follow some recommendations. #7. It’s always essential to consult your vehicle’s manual or a mechanic before making any. If you want to come up with your own oil mixture, just check the oil number of the two oils. Compatibility of 5w30 and 10w30. For comparison’s sake, SAE 5W-30 and SAE 0W-30 will flow better at colder temperatures than SAE 10W-30, while still providing protection at higher temperatures. 5 + 10. Especially given that you live in Florida, 10W-30 vs 5W-30 is not an issue at all. It is not recommended. In this post, we’ll also look at if it’s safe to use regular oil after synthetic oil. Prior to 2011 back to 1999 when these series engines came into production, the recommended oil weight is 5W30 for year around use, but in any temp above 0 degrees, 10W30 may be used. So for almost all of the vehicles of Chevrolet, they would require 5w30 motor oil. The lower viscosity makes 5w30 a better choice in cold weather. When buying motor oils, it is good to consider options from top brands because they are typically made with OEM-approved, premium additives. 5, so equal parts give a cSt half way in between (8. You can mix 0w3o and 5w30 oil, but it is not recommended. Both oils won’t mix to form a single oil. 10W30 is thicker when cold, which might make your engine work harder in cooler climates, leading to potential strain and reduced engine efficiency. Should I immediately change the oil; should I change it back to 5W-30 in time with my next regular oil change; or can I just continue to use 10W-30 oil? If additional information can help with a verdict; the engine has relatively low mileage (~98k) but it has been neglected (it was recently run for several months to a year with a leaky intake. In layman terms, your engine will be able to handle higher. You should use SAE 30/SAE 10W-30 oil on most mowers. 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. Although it is not advisable to mix the two, a 10w30 and 15w40 can be mixed and used. 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. The rest either became tarnish, or combusted incompletely& formed carbon deposits on the. #4. How To Mix 10w30 and 5w30. Most synthetics today are. . The same brands would mean that they are compatible in terms of their additives. Are you wondering if mixing different engine oils will damage your engine?You may even have accidentally mixed 5w30 into 5w20 recently. #5. Q. 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. 0w20 vs. SAE 30 oil is cheaper than 5W-30 oil. Both have the same viscosity at higher temperatures, but 5W30 is slightly thinner than 10W30 at cold temperatures. Different oil producers have different standards, and it is noticeable in the oil quality. You WILL NOT get a 5W by mixing a 10W and a 0W. What I want is a larger baseball or a somewhat higher 30w viscosity for high temp. However, it is advised against because of multiple reasons. Check Vehicle Fit. Learn the difference between 5w30 and 10w30 engine oils, their viscosity, application, and compatibility. You can find these ratings on the API oil donut on the back of the bottle/ jug. For example, my car specs either a 5w-30w or 10w-30 oil. This is even encouraged by Mobil engineers. Can you mix 5W-30 with 10W-30? In general, it is not recommended to mix 5W-30 and 10W-30 motor oils. However, 10w30 motor oil can be used in the Winter. Keep in mind oils do not mix if you have 5w30 and add 10w30 it won't give you a blens both oils will stay seperate so you will have a few quarts 5w30 and a quart 10w30 they never mix. 5, so equal parts give a cSt half way in between (8. Therefore, they will flow in the same manner. I was wondering is it ok to continue using 5w-30 Pennzoil Platinum Synthetic Motor Oil in my Yamaha F75 Outboard. Sometimes thicker oil is even recommended in higher mileage engines, although I believe the jury is still out on it. 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. This is why synthetic oil can go much longer in an engine before it needs to be changed. The engine. 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. Can you mix 5w30 and 10w30? Yes, why not! You can use a mixture of 5w30 and 10w30. However, the owner’s manual of your car determines the best oil for your car engine. So while mixing different oils together is technically fine, it’s not always the best idea from a performance standpoint. However, the cold weather viscosity grade will increase, making it less. Plus, both of them have the same viscosity at temperatures. Sep 9, 2017. Yes, you can mix 10w30 and 5w30 engine oil. Location. The downside to 10w30 is it can be had in some low quality lubes, so make sure you go for a quality. 10w30 oil type covers a significantly smaller range of temperature. First, mixing motor oil grades can create an oil pressure decrease as the engine revs higher. All are more robust than your standard passenger 10W30 SN. I think 5w-30 and 10w-30 cover the same heat ranges so if your not a hemi either is probably ok. Common grades include 0w20, 5w30, 10w30, and 15w40. 7 was due to excessive shear with 5w30s when the engine was introduced. I think you're better off looking at the hot cSt of what you're starting with. It impacts the resistance of the engine to oil flow. Hi, I was curious as to the % of synthetic oil in the Castrol synthetic blend oils. 10W-30: works well at all temperatures, and helps to make cold starts easier. But generally, it’s best not to make a habit of blending different viscosity motor oils. 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. If you want something thicker, you can use conventional 10W-30, which is very shear-stable and should be even thicker than synthetic 5W-30 and synthetic 0W-30 throughout the OCI. The answer is yes; you can mix 5w20 and 10w30 oil. It is best to use the same manufacturer and stay consistent with it. #16 · Nov 1, 2010. We recommend you take a look at your. Castrol told me it was between 10 and 30%. It is safe to mix 5w20 and 5w30 as long as you follow some recommendations. Weize Platinum AGM Battery BCI Group 47-12v 60ah H5 Size 47 Automotive Battery, 100RC,. O. Feb 2, 2006. Manufacturer's Defect Warranty. However, since 5w30 and 10w40 have different viscosity and weight, it is advisable to mix them in equal quantities; that is to say, 50% of 5w30 to 50% of 10w40. The difference between 10W30 and 10W40 is their performance at cold temperatures. Find out how to mix them safely and why it is not recommended, and what are the pros and cons of doing so. Since the viscosity at higher temperatures is 30 for both, it is best to swap 5w30 for 10w30 during the warmer months. The short answer is yes, you can use 10W30 oil instead of 5W30 oil in your lawn mower. 1. Yes, you can mix them. The higher the number, the less the oil will thin out in hot weather and vice versa. However, just because you can mix it, it does not mean that you have to. 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. Mixing will not change the behavior of the waxes in the 10WXX oil. Mobil 1) with a different brand (e. #4. Mixed engine oil is better than low, dirty, or no oil. You can buy 30 or 40 weight oil, and you can also get multiple viscosity oil such as 10W-30 or 10W-40. The 10w30 motor oil will move slower than the 5w30 motor oil when doing cold startups. You can mix 5W30 and 5W20. Read on for a guide on how you can mix 10w30 and 5w30 oil. So in the 5w30, we have 25. My manual says to use 10w-30 but the local store always has 5w-30 heavily discounted and I have been using it. If you mix 2 quarts of 5W20 and 3 of 10W30, it will come pretty close to the viscosity of 5W30 which can ensure a good performance for your engine. 10w30. Above 32°F (0°C), use SAE 30. 5w20 is the top-recommended engine oil for the. The initial recommendation for 10w30 on the 4. 4°C) and down to -10°F (-23°C), use 10W-30. In a 5w30 engine, you can add 10w40 oil without seeing any major negative impact. It cost $2 a quart more too. However, always prioritize engine health and match the oil to your driving conditions. On 8/14/2012 at 5:44 PM, Steptronic said: Since we do not have much "temperature variations", practically it should be okay to mix both. (more on this later).