A mixture of two motor oils that have. 4,373. 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. Can you mix 10w30 and 5w30? General speaking, mixing 10w30 vs 5w30 oils should not cause issues as both have similar viscosities at operating temperatures. The only difference between the two oils is the low temperature point, with the 5W30 oil functioning slightly better than the 10W30 oil. Inside your engine, both oil formulations can withstand temperatures of up to 100°C/212°F. Pennzoil High Mileage Conventional 10W-30 Motor Oil for Vehicles Over 75K Miles (1-Quart, Case of 6) Conventional High Mileage 10W-30 engine oil specially formulated for new or late model SUVs, light vans and trucks, and passenger cars. To summarize, when looking at 5W-20 vs 5W-30, their viscosities when cold will be the same, but the 5W-30 will be a little thicker at operating temperatures. I'm about to do a super frankenblend in my moms car to use up my leftovers. So, we can say you can mix 10W30 with 5W30 safely and perfectly. They are both oils that are generally safe for use in your car. But it’s not necessarily ideal. Hi All. SAE 30 is a single-grade motor oil that provides adequate lubrication to engine parts when operating under hot viscosity conditions. Tractionless1 said: I use 5w-20, that's what he manual recommends. Just like mixing full synthetic with semi-synthetic oil – mixing different viscosity such as the 5w30 and 5w40 is not a bad idea, especially if you are running low on oil. But it's not a good idea because different brands have proprietary or special additives. So what will happen If you have 5W30 and 10W30 mixing together? As we can see because of the same viscosity the result might be better when mixing SAE 20 and 30 together. The answer is yes. However, 10w30 is a multigrade oil that performs well in hot and cold temperatures. So we wind up with 8. The 10W is the viscosity of oil under 0°C (32°F), and 30 (SAE 30) is the oil viscosity at 100°C (212°F). Mobil 1 Advanced Fuel Economy 0W-30 provides the high temperature protection of 5W-30 and 10W-30 oils while offering improved fuel economy. 3w36. Can You Mix 5W30 And 10W30 Oil? There are a few things to consider when mixing 5W30 and 10W30 oil. C. The blending of both oils won’t do the engine any harm, at least not immediately. In cold climates, the viscosity of 10w40 is 10. As a result, its film strength is weaker. If you search online about mixing oils, you will get a lot of people telling you it is okay. Regular 10w30 oil can be used and mixed with the gas, or 2 stroke oil. We would like to show you a description here but the site won’t allow us. By default, the oil is thinner than the 10W30 engine oil in cold weather. Cummins stipulates 20086 for you ride because of DPF and SCR issues. Can you mix SAE 30 and SAE 10W30? You can mix straight weights like SAE 10 and SAE 30 or multi-grades like 10W30 and 10W40. Jan 30, 2015. You don't want anything less that a 30wt in there. Adding 10W30 to your current mix is safe and will not cause your engine to run any worse. A misadjusted/clogged carburetor, intermittent misfire from a bad coil pack, misadjusted valves, etc. After all, Jiffy Lube ® knows oil. My oil mix is the same as your friends (5W20, 5W30, 10W30). However, because it is thinner it. Every day, trained Jiffy Lube technicians help thousands of motorists select the right motor oil, and that includes choosing synthetic vs. You are not allowed to mix 5w30 with sae30 because both engine oil has different viscosity grading. If you want to strike a balance between the affordability of conventional oil and the benefits of synthetic oil, opt for a. Yes, you can mix 5W-30 and 10W-30 motor oils without causing significant issues for your engine. You WILL NOT get a 5W by mixing a 10W and a 0W. 5w-30 and 10w-30 are no different once operating temperature has been reached. The primary distinction between 5W-20 and 5W-30 oils is their viscosity. Mixing the viscosity of oils will not have any effect on the engine. No one knows if the resultant mixture is better or worse than the unmixed oil without expensive and extensive testing. That's the point of viscosity. It is okay to mix, though. Below 40°F (4. So if you want to mix 20w50 oil with a 10w30 oil or if you have to, you can mix them both up. The viscosity of oil is closely related to its thickness. Can You Mix SAE 30 and 5W-30. Oil should be changed after the first 20-30 hours of operation and every 100 hours of run time thereafter. 0TDI PD non DPF. 0. The 5W-30's are in the 10's. If you find it necessary to mix brands of oil, use same viscosity grade and API service category to maintain performance. However, if you’re in an emergency situation where you have no other option, mixing 10W30 and. 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. Basically 2 qt synthetic and 1. Related Posts: 5w30 Vs 10w40 Engine Oil; Can I Use 10w30 Instead Of 5w30? Accidentally Put 5w20 Instead Of 5w30; 5w30 Vs 10w40 Engine OilPublished by Dustin Babich on 29 May 2023. Therefore, there is no problem. Whether you’re mixing 5W30 and 5W40 from the same brand or different brands, all that has been shared in this article still applies. My oil mix is the same as your friends (5W20, 5W30, 10W30). As briefly answered in the intro paragraphs above, the simple answer is YES. Sep 9, 2017. Yes, the oils may have different additives; hence, the difference in. #3. Only use this chart to find an oil equivalent to the manufacturer’s recommended oil for your tractor or truck. Nothing will happen if you put 10w30 instead of 5w30. Say you have 10w30 in your engine. Flow traits and viscosity directly vary with the temperature. Feb 15, 2012. These oil grades have similar characteristics, with the main. To mix and homogenize 5W30 and 10W30 properly, firstly pour 5W30 oil into the engine and then add 10W30. It means the number after W must be 30. Yes, you can mix 10w30 and 5w20. As a result, many consumers can. TCM. When you mix motor oils, you deprive your engine of enjoying the full benefits both oils would have delivered if used separately. If your mower manual calls for a 5W-30 engine oil, using a 10W-30 oil is also acceptable. It is not recommended for drivers of automobiles to do so. Yes, I was running 10w30 in November and early december. 275 posts · Joined 2016. – Protects your lawn equipment all year long. Turf-Gard™ engine oil. You will need high-quality additives to compensate for the 10w30 motor oil. 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. But, it doesn’t pose any harm to your engine. 25 qts of 5-30. 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. Manufacturers designed these oils to protect the engine. You won’t get a little amount of help by doing so. 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. In fact, because of its wider viscosity range and steeper viscosity curve, 5W30 likely does not thin out as much as 10W30 when ABOVE normal operating temperature. Low-horsepower engines often utilize 10w40 motor oil, which is designed to flow smoothly at low temperatures. This problem can cause a bearing to go bad due to spinning. The comparison table between 5w30 and 10w40 is given in the below table: 5W30. #1 · Jul 1, 2018. Can You Mix 10w30 And 5w30? Absolutely! Mixing 10W-30 and 5W-30 oils is perfectly fine and won’t cause any significant issues. However, you need to know the right way to do this. These two oils will flow at different rates due to their weight difference; however, the. What You Should Know About Oil Thickness At Different Temperatures. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing them. Your oil is about a quart low, all you have is 5w30 - can you add the 5w30 in there safely? And what exactly is the. Mixing SAE 30 and 10w30 is a terrible idea and might have you counting losses. As such, mixing synthetic and conventional oil is okay sometimes if you don’t do it frequently, but otherwise, frequently mixing together can affect their performance. If you use 10w30 regularly in your car, you won’t notice any difference in performance when switching to 5w30 for short trips. Synthetic 0W-30 will be shear-stable and retain its 30 weight, unlike conventional 5W-30, which shears to 20 weight. Mixing Oils. #2. Both oils have different viscosities and characteristics, and combining them can alter the oil’s protective properties and reduce its effectiveness. 5w30 & 10w30 have the same degree of viscosity at the same temperature, which makes them blend nicely together in your car. Synthetic 5W-30 is at a significantly lower viscosity at 150c vs. In general, viscosity refers to the ease of liquid flow. Synthetic oil maintains it's viscosity over a wide range of temps. Toyota wants their vehicles to use 0w20. So, it’s not suitable if you mixed 10w30 oil with 5w30. 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. Mixing the two oils together can cause the oil to break down and lose its ability to lubricate and protect your engine. Winter-grade oil stays thin even as temperatures drop, which means it will flow straight to the engine at. If it flows better, it's not a 10W-30. The recommended motor oil for all Subaru engines is 0w20 and 5w30. If they are of the same synthetic type, they can mix together without any issue. Here is a comparison of 5W-30 vs. Even though you're mixing a 5W20 with a 5W30 50/50, the 5W20 could have a different pour point, than the 5W30. 10w30 can also be used. Mixing 5W30 and 5W20 is perfectly safe. Indeed, your engine will be fine. You can mix 5w30 and 10w30 oil together. #3. Theoretically it is not advisable to blend oils. 5w30 is used for light-duty engines while 10w30 is used for engines which carry heavier loads. The oil requirements for your engine will vary depending on the temperature you operate at. 5w30 oil is lighter, and its density is less. What Happens If You Mix 5W20 With 5W30? Nothing significant will happen if you mix 5W20 with 5W30. Without the right oil additives, you can wear the lobes off the camshaft. Rotella T5 10w-30 or regular Rotella 15w-40 in all the small engines up to 35 horsepower. Additionally, all of them are identically viscous at all degrees. Or this. Mixing at a ratio of less than 1 qt of 0w20 to 3 qts of 0w30 likely won't make much difference at all. These oils share a close viscosity profile, making them compatible for blending. 30 weight goes from about 9. Therefore, you can mix 5W30 with 10W30 with no ill effects whatsoever. There's been talk before of owners using too heavy of a wt. 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. If I was you though, I would just run the Valvoline VR1 5w-50 synthetic and not worry about trying to mix oils. I just bought a 2012 Hyundai Sonata Hybrid, and the preferred oil is 5w20, with 5w30 and 10w30 being. As the viscosities of 5w-30 and 10w-30 are ranked. The 10W30 motor oil numbers are the viscosity at cold and hot operating temperatures. This is because both oils have the same API classification (in this case, SN). Yes, you can mix 5w30 and 10w30 oils. They should mix well since these two oils have somewhat similar viscosities. and how it doesn't agree with these motors due to very tight clearances. Daily Drives: -2003 Toyota Tacoma PreRunner XtraCab, 2. 5w30 vs. However, using thicker oil than recommended will put more stress on the engine resulting in premature wear of engine parts and poor fuel economy. of oil to one gal. The two motor oils will stay the same oil. You aren't really supposed to mix your own "synthetic blends," especially across brands, so that may have a bit to do with it!. Standing in the middle of this comparison, 5W30 has a higher viscosity than 0W30 but lower than 10W30. #6. This is how you can tell which engine oil is better: how thick it is. Feb 5, 2014 / Mixing 10w30 with 15w40 Kubota oil #5. New Jersey. Yes, you can safely mix 5W20 and 10W30 engine oil. Blends do not work that way. It’s best to stick to one type of motor oil for optimal engine performance and longevity. 5W-30: also works well at all temperatures, and has a slightly lower oil consumption. If you search online about mixing oils, you will get a lot of people telling you it is okay. For a 2014 RAV4 in Australia, they say you can use: 0W20, 5W30, 10W30, 15W40 or 20W50 Given you climate ("Nebraska. Even if you're on a tight budget, you can afford the $3 difference. Mixing will not change the behavior of the waxes in the 10WXX oil. The 10w30 oil is designed to operate at higher temperatures and may lead to decreased fuel economy and increased engine wear over time. BMW has done the proper testing for the car so I would think that they tested 5w-30 in extreme heat conditions before clearing it for use. This means that the viscosity will rebalance and will create a new one. See moreLearn the pros and cons of mixing 5w30 and 10w30 engine oil, the difference between the two viscosities, and how to do it safely and effectively. Can You Mix 10w30 With Gas? Oil and gas from 10W-30 can be used in a 2-stroke engine. Both these two engine oils will act similarly. Can You Mix 5W30 And 10W30. Your car manufacturer’s recommendation notwithstanding, mixing 5W20 and 10W30 won’t cause any harm to your engine. 7 Liter , Mobil1 Synthetic SS 5W-30. Learn the pros and cons of mixing 5w30 and 10w30 engine oil, the difference between the two viscosities, and how to do it safely and effectively. The 10w30 motor oil will move slower than the 5w30 motor oil when doing cold startups. With what we’ve explained above, the simple answer is YES, you can mix 5w30 and 10w40 oil without bothering of any catastrophic engine damage. There is no danger mixing synthetic and conventional motor oil. This is because. For older engines the new high milage oils are helpful.