Aug 18, 2002. Once up to temp, they're all the 'same' oil and are going to offer the same protection for that engine. NJ. -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. Benefit. Because it thickens less when cold, 5w30 motor oil is preferable. 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. Besides, if you compare the quality of the additives, you will find more high-quality additives with the 15w40 compared to the 10w30, which is why the 15w40 is a bit expensive. 10W-30 is so slow at flowing, it takes a full 5 minutes to reach all the bearings on startup. ETFinvestorIBKR. 5W30 is 30-5=25. Both high mileage 5w30 and 10w30 engine oils have the same additives, the only difference is the viscosity at cold startups. So the engine manual calls for 5w-30 for ambient temperatures -20 to 30degrees F, and 10w-30 for 5 to 100degrees F. Manufacturers designed these oils to protect the engine while warming up. This is because some oils are designed for specific needs – either high performance or low-temperature protection. But 5W-30 only takes 2/100ths of a second to reach all the bearings. Still, 10w30 can be used in a snowblower instead of the 5w30 oil. Is 10w30 thicker than 5w30? 10w30 is thicker than 5w30 because it has a higher viscosity in low temperatures. If you live in a region that experiences temperatures below -20 degrees Fahrenheit, however, you should use 5W30 engine oil. Among those reasons, the working temperature is a factor. Its abbreviation comes from the words “five weight” and “thirty weight”, which refers to the thickness of the oil. There is no reason to switch between 5W30 and 10W30 between winter and summer. Yes, you can consider using 10w30 instead of 5w30 in the summer when temperatures are higher. Yes, you can use 10w30 instead of 5w30 in most cases. Unless you are experiencing some very cold, and I mean VERY cold temps, 10w30 will work fine. Some small engines may have a hard time starting with the thicker oil, but once it is running, it will be fine. 006=21. FWIW, I overlooked my F150 (‘03/4. It may help marginally on a high mileage engine if it. So depending on your car type, you can use 0w30 motor oil or 5w30 motor oil. 5W30 to 10W30. In the summer time you can use an oil 5W40. Mobil's 0w40 is 14. 6 and 9. #1. On the other hand, the second portion of the grade number describes the thickness of the oil. You can only switch to mineral 10W-30 if the lowest expected outside temperature is above -18°C (0°F). This is because both 5w30 motor oil and 10w30 motor oil will have the same viscosity in operating temperatures. The engine oil will flow slower than 5w30 during the cold season. Jul 19, 2020 #15It’s not recommended to use 5w20 instead of 5w30 engine oil because Both come with different viscosity. They have similar ingredients other than the viscosity level. By default, the oil is thinner than the 10W30 engine oil in cold weather. So, it’s better to choose the oil type wisely depending on. In operating conditions of 40 degrees Fahrenheit and higher, all-purpose SAE30 motor oil should work for your engine. Pop, your conditions probably are not cold enough that you would notice the difference in pull-starting between a SAE30, 5w30 or 10w30 w/ this type of equipment. Since both oils have the same operating temperature viscosity (30) and additives, they will perform exactly the same. This is because 5w30 has a thinner viscosity in comparison to the other. It also has synthetic plus, heavy-duty engine oil. It May have a tad bit better HTHS and more oil and less VM polymers but not like the days when 5w30 was pushing the multigrade envelope and poor quality VM were used. However, if the weather turns cold, you may need to change the oil. There is no problem using the new oils labeled "synthetic blend" if you were buying conventional before. Can I Use 10w30 Instead of 5w30 in Summer. My Escape requires 5W30 with the 2. Conversely, in warmer climates with higher operating temperatures, the denser 10W40 oil can be best suitable for preventing engine stress and strain. 10w30 engine oils. Synthetic 5W-30 can be used in all temperatures. It can be used in place of SAE 30 in compatible engines as it provides the same SAE. -for at least the last 40 or 50 years. However, 10w30 is a better option for commercial vehicles and other cars that have heavy-load engines. Yes, it is possible to use 10W30 instead of 5W30 as both types meet the SAE standard. You may experience a lot of oil loss and a messy worksite if you choose this oil alternative. SAE 30 is a standard motor oil that is suitable for use in most gasoline engines. 0w30 sure was nice to start up though. Now let’s break it down in order. The 10W30 and 5W30 both have different thicknesses in cold temperatures, and 10W30 is thicker than 5w30. . #4. You can use 0w30 in place of 5w30, as it is more adaptable than 5w30, courtesy of its vast working temperature range. In fact, according to many drivers and mechanics on different forums (including Bob is The Oil Guy), 5w30 is actually a better multi-grade oil to use on engines with “5w” specifications. 9,808. While it may be tempting to use 5W30 instead of 10W30 in your lawn mower, it is important to note that this is not recommended. 10W30 vs 10W40, Differences #4: Fuel Efficiency Dynamics. Replies 66 Views 8K. The lower the number before W, the thinner the oil viscosity. 5w30 engine oil is more liquid than 10w30. Using 10W30 instead of 5W30 during summer can be a suitable option, as it provides better protection against high temperatures. Standing in the middle of this comparison, 5W30 has a higher viscosity than 0W30 but lower than 10W30. The 0w30 motor oil is not. The engine oil will flow slower than 5w30 during the cold season. 10w-30 and beyond are still labeled conventional. e. In fact, the viscosity difference between 10W30 and 5W30 is essentially neglectable. However, your car may not function the same in colder temperatures. From my understanding, both 5W-30 and 10W-30 will have the same viscosity at operating temperature. Yes, it is possible to use 10W30 instead of 5W30 as both types meet the SAE standard. At operating temperatures, both oils will be 40wt, but there’s an important difference between them when it comes to viscosity – 5 weight “5W” stands for colder temps while. This is because it will load more in the crank in your engine. You can use 10w30 instead of 5w30 oil since both meet the SAE standard for viscosity at operating temperature. If you’re wondering whether you can use 10W30 oil instead of 5W30 in your car, the answer is yes. At the operating temperature of a typical vehicle engine, both have the same viscosity. But the previous owner has used 10w-30 oil. You can use a 10W30 oil instead of a 5W30, but the result will not be satisfactory. Not saying you can't use what you want but a mechanic that says you can use different grades doesn't know his job very well. It is possible to use 10w30 instead of 5w30, but it’s best to follow the manufacturer’s recommendations. To be clearer, 0w20 with zero viscosity will run smoother in cold weather than 5w20 with 5 viscosities – liquid resistance at flow. After that the oil acted exactly like 5w30. A lot of guys, as their. Additionally, If your lawnmower manual calls for. If you still got 5W30 inside the engine when you mistakenly refilled 5w20, the two oils – 5w20 and 5w30 – would mix together. Accidentally Used 0w20 Instead of 5w30: Is It Ok? Yes, it is okay. The hot viscosity (100 degrees C) for the 0W20 is between 5. We've got 10w-30 by accident during the manual. 0w20 is a more preferred fuel option in cold temperatures, but 5w20 is also quite functional. For sub-zero temperatures, SAE 5W-20 is the company’s recommended oil. When driving in warm climates, 5w 30 oil is ideal. In warm weather, maybe nothing bad, but at -20F (-29 Celcius) there may be problems, at least with conventional oil. Does it matter if I use 10W or 5W?The manual says you can use 5W-30 if 0W-20 is not available. What's strange is that 5W40 is recommended instead of 5W30 or 0W30. #1. When 10w30 is used instead of 5w20, probably, only a few changes are discoverable especially when the engine is about to wear out and is old. The LS1 is an all-aluminum V8, and because of the. 10W-40 is a bit thicker than 5W-40 but is still rather thin and works well to lubricate the moving parts of an engine during start-up. Characteristics of 10W-40 Motor Oil. Designations on the label — such as 10W30 or 20W50 — tell the oil’s viscosity. All in all, be it 5w30 or 10w30, either is better for your vehicle. Joined Aug 11, 2005 Messages 650 Location connecticut. This can be your go-to oil in temperate areas. And the 10w30 is for a higher viscosity engine. Castrol, Valvoline, Pennzoil "conventionals" are all labeled "synthetic blend" in 5w-20 and 5w-30. Quick answer: most often yes, but not desirable. At operating temperatures, both oils will have the same. What kind of engine oil you want to use is your decision. Engine oil is a key to the longevity of your vehicle’s engine. 126mpg increase. For Chevrolet, the recommended oil is 5w20, 5w30, or 10w30 in some engines. For example, a 10w40 motor oil will be a lot thicker at startup than the 5w30 motor oil. If your in Texas, using a 10W30 instead of a 5W30 will make no difference to your vehicle. CT Rob. SAE 30, for example, is one of the most common types of high-quality motor oil available, and it can also be used on lawn mowers and cars. The 5, 10 is the way the oil acts when in a cold engine, when the engine warms to operating temps, the oil acts like 30 weight oil. Some engines in the Chevrolet lineup require 5w20, 5w30, or even 10w30 oil, depending on the model. Yes, you can use 10W30 in your lawn mower instead of SAE 30. The first number, 5, represents the oil’s thickness or viscosity in low temperatures. The only difference between these two oils is cold flow ability: a 10w30 oil will move slower than a 5w30 oil during cold startups. Gene K said: Technically Ford currently calls for 5W-20 in the '98 3. 5W-40 may flow a bit better than 10W-30 in freezing temperatures, but at 40C their kinematic viscosity is close. ” Let’s sum up the best generator oils for specific weather:SAE 5W-30 is a multigrade engine oil with a low viscosity to flow better at colder temperatures. The engine oil will flow slower than 5w30 during the cold season. 6,881. So, due to viscosity, 5w20 is a thinner oil during operating temperatures, whereas 5w30 is thicker during. What happens if I use 10w 30 instead of 5W-30? Most oils will mix perfectly, provided they have a similar synthetic. So the bottom line is that in almost all feasible situations (>-30C), a 5C difference in temperature should compensate the higher viscosity of 10w. Hey all, I've been using 5w-30 in the 3. When motor oils mix inside the car, the engine would still run properly, but not as efficiently as it used to. Designed for engines with over 75,000 miles. It has the same low-temperature thickness as the 5w40 and a lower high-temperature viscous value. Find the best in Pennzoil motor oil, synthetic oils, transmission fluid and more for optimal car performance. The primary difference between 10w30 VS 5w30 oil is their viscosity. 10w40 is an oil that is mostly used in diesel engines and motorcycles. Using 10W-30 oil instead of 5W-30 oil in cold weather may cause the engine to work harder,. At five grades, the viscosity rate of 5W30 and 5W40 is the same. 5. 5w30 engine oil is more liquid than 10w30. The “10” in 10w30 means that the oil is thicker in cold weather than 5w30. Mobil's 0w40 is actually right in the middle of a 40wt, it's not on the thin side like their other viscosities. But if you can get 10w30 Valvoline synthetic, that's what the manual says, so that's what I'd use even if you don't. #2. What’s better 5W-30 or 5w40? In practice, this means that each oil is just as viscous at lower temperatures and will remain viscous at -30°C, however 5w40 oil outperforms 5w30 oils at higher temperatures, being effective up to ambient temperatures of 50°C, as opposed to 30°C. I switched to 5w30 and the oil pressure rose a bit, but still losing a quart every 2 weeks. Though 5W-30 is more commonly used, 10W-30 isn’t far behind – and beats out 10W-40 in its overall usefulness. The viscosity of 5W40 is from 12. I used 10w-30 instead of 5w-30 for my Chavy engine v8. 0 or lower HTHS of a 5-30 under the hot conditions an air cooled engine experiences. So, we can see, 10W40 is thicker than 5W30. R. If you still got 5W30 inside the engine when you mistakenly refilled 5w20, the two oils – 5w20 and 5w30 – would mix together. As a result, 5W 30 offers superior protection against wear and tear, making it the better choice for use in high-mileage vehicles. #9 · Mar 3, 2014. Can 5W-30 oil be used in high temperature? 5W-30 oil can operate in temperatures as high as 95°F, after which you should switch to a better high temperature oil viscosity grade. Feb 23, 2022. However, you can use both of them if you want to, but they are. 5W-30 is a lower viscosity oil than 10w30, and it will flow more easily through the engine. Later Ford recommended 5W-20 for the same engines so I don't think any harm will come from running 10W-30. So, 10W30 oil has less viscosity (flows easier) when cold and hot than does 20W50. When it comes to 2005 5. Ergo a car with high high way miles is in better shape than a car that does stop and go driving. On the other hand, 5w-30 oil has a thinner viscosity rating when the engine is cold at 5w, making it easier to flow through the engine. Go 10,000 miles between oil changes 2. kwg2005; Jun 24, 2023;. There are some potential risks and precautions to. At operating temperatures, both oils will have the same viscosity (30) and will flow and protect identically. However, there are other grades of oil you can consider instead. By default, the oil is thinner than the 10W30 engine oil in cold weather. 5w20 is thinner to increase fuel economy. Yes, you can use 5W30 instead of 10W30 in a lawn mower, however the oil type, viscosity and quantity should be based on the manufacturer’s specification for the lawn mower. 0w30 Vs 5w40: 0w30 motor oil is used in weather conditions from frost to minus thirty-five degrees and up to twenty-five degrees. 5) 10w30 oil is less likely to cause wear and tear on. Read Also: Can I use 10w30 Instead of 5w30? Ultra Platinum. For the 5w20 motor oil, the twenty indicates that the motor oil has a low viscosity and is also thinner in high temperatures. However, the difference in viscosity between the two can impact engine performance, particularly in specific temperature conditions. 20W50 is a thicker oil and will help protect your engine from wear and tear. May 19, 2009. 5w-30 is just fine. This is not true, at operating temp 10w30 and 5w30 are the same viscosity. If the manual calls for 5w-20, and they used 10w-30, I would make them put the correct oil in. 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. The 30 in 5w30 is the viscosity of the oil at operating temperature. I was running 5w-30 for the first few changes until I read a couple of years ago in the various LS1 forums that people were migrating to a 10w-30 oil to quiet their engines. The 0w30 motor oil is a special kind of motor oil. The winner of best oil between SAE 30 vs 10w30 needs to be chosen with operating conditions in mind. I know Briggs has totally revamped their recommendations to use 5w30 synthetic, 10w30 but doesn't specify which conventional or synthetic, they also list their 15w50 for the hottest temperatures. Unlike the SAE 30, the 5w30 motor oil gets thinner. However, some drivers allege that it is safer to mix two straight weight oils or. The 10W30 and 5W30 both have different thicknesses in cold temperatures, and 10W30 is thicker than 5w30. This means that 10W30 oils are better suited for colder temperatures. SAE 30 is a single-grade oil, meaning it doesn’t have the viscosity modifiers that multi-grade oils like 10W30 have. 4°C) and down to -10°F (-23°C), use 10W-30. Synthetic 0W-30 will be shear-stable and retain its 30 weight, unlike conventional 5W-30, which shears to 20 weight. Answer: Absolutely not. The 5W-30 weight is universal and it typically works with all snowblowers, regardless of the brand. There is certainly no problem for the engine. To begin with, a lot of the benefits are also enjoyed when using the 10w30. But for the guide, you can use 5w40 motor oil in starting your engine in low temperatures.