Different oil producers have different standards, and it is noticeable in the oil quality. Most engine oils will have little trouble mixing with one another, as long as they’re of a similar type. If you use 10W-30 instead of 5W-30 in a vehicle designed for 5W-30, you may notice some differences in performance, particularly in colder temperatures. Therefore, they will flow in the same manner. 5W-30 is going to have the same viscosity as 10W-30 when the oil is hot. 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. Avoid spilling during mixing the oil as it can make a burning scent. You can mix 5W30 and 5W20. In this article, you’re going to learn whether or not you can mix synthetic oil with regular oil, as well as all the reasons why people consider mixing these two types together. The primary difference between 10w30 VS 5w30 oil is their viscosity. I wouldn’t be worried about the 0W in the spec for cold weather starts but was wondering if a 40W oil is too thick for driving down the road with the engine warmed up. The second number is the hot flow. roy1 Discussion starter. Which Oil Is Thicker: 5W-30 or 10w30? Both oils have a similar viscosity at 100 degrees Celsius but the 5w30 grade oil will thicken less than 10w30 grade oil in a cold climate. Still best to use the oil type weight recommended by the OM. 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. The two oils are very similar, and they will both do a good job of lubricating your mower’s engine. However, it’s not the best idea. Find the best in Pennzoil motor oil, synthetic oils, transmission fluid and more for optimal car performance. 3 to get the second number. #4. That’s just a general overview of the difference between 10w30 and 5w30. Mixing will not change the behavior of the waxes in the 10WXX oil. 4,373. The 5w30 has more viscosity index improvers vs the 10w30 so technically the 10w30 would have more oil that lubricates the engine. I would recommend using the 10w30 engine oil as recommended by case. However, conventional oil will detract from the superior performance of synthetic oil and reduce its benefits. But he has some 10W-30 in his garage, so he uses it to change the oil. By industry agreement/specification, all brands of oils will work fine together. It is okay to mix, though. I would definitely use SS 5w30 over sae 30 in a snowblower. #3. In extremely hot ambient temperatures, 120F+, I'd use 5W-40/10W-40. Say we add a quart of 5w30 to 2 quarts of straight 30 weight. Apr 2, 2010. Just keep the oil at the full mark. Even if you're on a tight budget, you can afford the $3 difference. 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. 5w30 oil is lighter, and its density is less. And when the weather is cold, 10w30 will circulate and help your engine get started a lot quicker. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Dec 17, 2016. e. Mahzurrah! Mar 5, 2021. There's been talk before of owners using too heavy of a wt. On the other hand, if you add 5w30 oil to a 10w40 engine, you’re taking a bigger risk. In addition, the different viscosities can cause the oil to sludge, clogging up your. Odd, I'm running a 0w30 GC / 5w20 gtx HM mix myself in one of my mowers that calls for 10w30. For example, if you own a passenger can or any other modern-day vehicle, the fluid 10w30 will be more suitable. I've run straight 5w20, mixed 5w20 and 5w30, straight 5w30, and mixes of 5w20, 5w30, 10w30, and 15w40, etc. Mobil 1 5w-30 is 'thinner' because of the '30. I'd buy all the 10W-30 I could, after getting the 5W-20. Aug 28, 2019. You can do so for the same reason you can use 10w30 instead of 5w30 in most vehicles. The 5w30 oil will thin out the 5w20 oil and won’t flow as well in cold weather. Yes, the oils may have different additives; hence, the difference in. The final viscosity at high temperature will still be a 30-weight. Pennzoil® motor oil is formulated with Active Cleansing Technology and is proven to protect engines in SAE 10W-30, 10W-40, 20W-50, 5W-20 and 5W-30 viscosities. Example 5w20 may have a cSt of 8. Will you like something which won’t be helpful for you at all? Well, that’s what mixing 5w30 with 10w30 seems like. It is denoted by a combination of numbers and letters, such as 5w30 and 10w30. All engine oils have a certain temperature range, across which they provide the best performance. I would recommend using a 5w30 oil. Manufacturers designed these oils to protect the engine while warming up. 5676 posts · Joined 2009. Q. A common question is whether you can mix 5w30 and 10w40. Can you mix 5w30 and 10w30? No, you can’t get any desired result by mixing both oils because both oils come in different grades. My manual says to use 10w-30 but the local store always has 5w-30 heavily discounted and I have been using it. But I would not mind or worry about mixing 4 qts of 0-20 and 0. In warm climates, they will act very similarly. 1. So, if you’re looking to save a few bucks, using 5W-30 oil in your lawn mower is perfectly acceptable. ") either of the Phillips Choice 5w20, 5w30 syn-blend oils sounds fine to me. This problem can cause a bearing to go bad due to spinning. Can I Mix 10w30 and 5w30? Most oils will mix perfectly, provided they have a similar synthetic. 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. Remember a powerful engine like the mustang 5. When looking at 5W-30 vs 10W-30, they both provide the same viscosity at operating temperature, as indicated by their identical “30. Generally, it is recommended to use a multigrade oil like 5W30 or 10W30, which has the ability to flow easily at cold temperatures, yet which can maintain film strength at. So if you want to mix 20w50 oil with a 10w30 oil or if you have to, you can mix them both up. The fluid is commonly used in vehicles with gasoline engines. The downside to 10w30 is it can be had in some low quality lubes, so make sure you go for a quality. 5w30 oil, on the other hand, is thinner and designed for use in colder temperatures and lighter engine loads. Most oils will mix perfectly, provided they have a similar synthetic. Different oil producers have different standards, and it is noticeable in the oil quality. When looking for SAE 30 oil replacements, you should ensure that the equivalent has the same flow rate as SAE 30 at a normal operating temperature. So (30+30+25)/3 = 28. 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. As you’ve probably noticed, the first number differs between these oils while the latter stays the same. ZZ71 said: If the average temp in your area is between -10 F and 110 F 10W-30 is perfectly fine for your ATV per the Honda guides and probably better for it, less friction inside the engine. Many have reported that they have not experienced any harm or harmful effects that the mixture did. Amsoil pricing Is based on their cost. Engines on most outdoor power equipment operate well with 5W30 Synthetic oil. However, it’d be better if. You can buy 30 or 40 weight oil, and you can also get multiple viscosity oil such as 10W-30 or 10W-40. Therefore, we can assure you that combining them is safe and won’t result in any significant engine issues. Measure out half of the 5W40: To keep. 25 qts of 5-30. The answer is yes. The 10w40 motor oil is better used in hot weather or heavy loads. It will work great in your car in Georgia year-round. It has a low viscosity of five, and the high viscosity is forty. Synthetic 0W-30 will be shear-stable and retain its 30 weight, unlike conventional 5W-30, which shears to 20 weight. There isn’t a big difference between 5w30 and 10w30, but they have different viscosities. SAE 30 is a single-grade motor oil that provides adequate lubrication to engine parts when operating under hot viscosity conditions. ”. Synthetic 5W-30 is at a significantly lower viscosity at 150c vs. In most cases, you can always use the 10w30 oil, but be sure it has the appropriate weight for your vehicle. Yes you're overthinking it! Use the least expensive oil you can find. Note: You can also read Can I Mix 10w30 With 5w30. Running Cold. Yes, you can mix 10w40 to 5w30 if they are on the same brand. Below 40°F and down to -10°F, use 10W-30. Standing in the middle of this comparison, 5W30 has a higher viscosity than 0W30 but lower than 10W30. It is impossible to combine the two oils into a single oil. Whereas 10w30 is a high-grade oil and has a higher density. However, you can alter the ratio depending on climate and weather conditions. 5w30 & 10w30 have the same degree of viscosity at the same temperature, which makes them blend nicely. 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. Odds are, the difference will be negligible. I'd probably stick to Royal. The following number is the viscosity, or thickness, of the motor oil at low temperatures. #2. However, there are some exceptions to this rule. Oil should be changed after the first 20-30 hours of operation and every 100 hours of run time thereafter. Yes, you can mix 5W-30 and 10W-30 motor oils without causing significant issues for your engine. Make sure you use the same brand for both oils so that they blend properly. Can you put 10W-30 in place of 5W-20? You can, but you’re getting into a more drastic difference in oil viscosity for both warmer and cooler. However, it may void your warranty if you tell the dealer about it. Temperature Range. Onlinealias. Yet, you should be aware that 10w30 is denser than 5w30, though they are similar in viscosity oils and can make a perfect combination. Although 5w30 is less dense, their viscosity is similar, and their combination is perfect. Jan 30, 2015. 0. #4. 5w30 is preferred especially in colder climates. Thanks to their close viscosity, mixing the two oils will have no damaging effect on the engine. AMSOIL 0W-30, 5W-30 and 10W-30 synthetic motor oils are ALL 30 weight oils. 5W-40 you'd need to start with 0W-30 & 15W-50. The two oils are very similar, and they will both do a good job of lubricating your mower’s engine. The short answer is yes, you can mix 10w30 and 5w30 under certain circumstances. Just like SAE 30, it will begin to break down at about 260℉. It is best to use the same manufacturer and stay consistent with it. Yes, you can mix 5W-30 and 10W-30 motor oils without causing significant issues for your engine. For example, you can use 5W30, and 10W30 as SAE 30 motor oil alternatives. If your winter temps rarely drop below 32F, modern SAE 30 is a viable year-round oil. Lawn mower oil type recommendations. Common grades include 0w20, 5w30, 10w30, and 15w40. Here is a comparison of 5W-30 vs. Without the right oil additives, you can wear the lobes off the camshaft. Can you mix 5W-30 with 10W-30? In general, it is not recommended to mix 5W-30 and 10W-30 motor oils. You can probably even get by using 0W-30, especially since you are in an area which is usually warm. However, to clarify, the 10w30 has a higher density than the 5w30. The 10W30 oil – While still quite “fluid”, this oil is a little bit thicker at low temperatures than the 5W30 oil, making the process of starting your engine a little bit harder. If you don't have a choice, adding synthetic oil to regular oil can help you out in a pinch. Good old 10w30 is as close to a universal oil as exists, it seems to do well in virtually anything. The engine is the 1999 5. However, your car may not function the same in colder temperatures. After all, Jiffy Lube ® knows oil. At $3. St. 10w30 is denser as compared to 5w30. Note: You can also read Can I Mix 10w30 With 5w30. The short answer is yes, you can use 10W30 oil instead of 5W30 oil in your lawn mower. You don't want to use 5w30 in a push mower, it'll just burn up, because it's so thin. 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. #15. The answer is yes, you can mix 5w30 engine oil with 5w40 engine oil as long as the weight of the 5w30 engine oil is greater than the weight of the 5w40 engine oil. Apr 20, 2004. The main difference between SAE 30 and 10W30 motor oil is the viscosity. I have never ever seen an owners manual that recommendeds. 10w30 Nissan. It is a thinner oil when operating at lower temperatures. Please refer to your individual vehicle owner's manual for proper viscosity grade and specification of oil to use. Feb 5, 2014 / Mixing 10w30 with 15w40 Kubota oil #5. All in all, be it 5w30 or 10w30, either is better for your vehicle. Consider the comparison between 5W-30 versus 10W-30 oil. Simply put, viscosity measures a liquid’s resistance to flow (aka its thickness). No one knows if the resultant mixture is better or worse than the unmixed oil without expensive and extensive testing. Both oils have almost the same viscosity and the same operating range.