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. 5W–30 is thinner than 10W–30 when cold. I think it's probably safe to run though. 4) 10w30 oil is less likely to cause engine damage than 5w30 oil. Rotella T6 5W-40 is a good, inexpensive option that. 10W-30 is so slow at flowing, it takes a full 5 minutes to reach all the bearings on startup. Manufacturers designed these oils to protect the engine while warming up. #1. 3 Vortec, you should use a synthetic SAE 5W-30 oil for best results. Most of these people live in places that aren't typically in that . The 5w30 when cold will still be thicker than the 10w30 when hot anyways so it doesn't matter. This type of oil, SAE 30W, is a single weight oil; 0W-30 is a. However, the thin consistency of this low-viscosity SAE5 weight oil, will not cling to the chain as well in the summer months. His older engine isn’t built with the same tight tolerances as Brad’s engine. 0 Coyote. It can be used in place of SAE 30 in compatible engines as it provides the same SAE. 10w30 is rated for -15F easily. The LS1 is an all-aluminum V8, and because of the. You should be fine to use 40 instead of 30 but if you can get 30 I would get some. After it is out of warranty it's your call. When considering 5W-20 vs 5W-30, they are the same viscosity when the engine is cold. ie it runs thicker than 30 when hot. 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. Yes, you can use 10w30 instead of 5w30 in most cases. However, if you’re in a pinch and can’t find 5w30, using 10w30 won’t cause any. However, if the weather turns cold, you may need to change the oil. R. Since both oils have the same operating temperature viscosity (30) and additives, they will perform exactly the same. 7L Hemi. Among those reasons, the working temperature is a factor. 5w30. 5. 10w30 oil is thicker and designed for use in higher temperatures and heavier engine loads. kwg2005; Jun 24, 2023; Passenger Car Motor Oil (PCMO) - Gasoline Vehicles; 2 3 4. However, it is crucial to check your vehicle’s owner’s manual to ensure that 10w30 is the correct weight for your car. Jeeps: Where my 401 (k) went to die!Can I Use 0w20 Instead Of 5w30 Engine Oil. 3) This oil is less likely to leak than 5w30 oil. 10w30 is rated for -15F easily. 5 to 16. Can I Use 10w30 Instead of 5w30? Ideally, no. It will take much longer to pump-up pressure in the bearings and lifters, and eventually cause a delay in the cold-start performance. Yes, it is possible to use 10W30 instead of 5W30 as both types meet the SAE standard. 5w30 engine oil is more liquid than 10w30. Using 15w40 instead of 5w30 over a long period will shorten your engine’s lifespan because the oil is thicker and will likely not flow to the engine’s moving parts as quickly as needed. SAE 10W-30. This is because 10w40 is slightly thicker when hot, and also rated for. Aug 2, 2011. However, starting wear of up to 80% is possible. Because it produces little drag on bearings and moving components of the engine, it provides a decent amount of mileage. Feb 20, 2003. -for at least the last 40 or 50 years. It’s hard to tell the difference between 5w30 and 10w30 in terms of. In simple words, you should be using 10W30 when it is hot outside and when it is cold, your go-to option for the better oil should be 5W30. For people who buy a new car, it’s best to use 5w40 oil instead of traditional 10w30. 4°C) and down to -10°F (-23°C), use 10W-30. Getting more profound to the discussion, we can look at the 5w30 vs. Havolines 10w30 is significantly thicker at 40*F than their 5w30 is. When motor oils mix inside the car, the engine would still run properly, but not as efficiently as it used to. #19. My girl friend's 2. 10W30 oil is a thicker oil than 5W30 and will provide better protection for your engine, but it may also lead to increased fuel consumption. They still get over 300k on them after they are retired into taxi cab service. Engine oil 10w30 instead of 5w30. Thicker or higher viscosity metal oil has a better seal compared to low viscosity oil. On the other hand, the second portion of the grade number describes the thickness of the oil. If an SAE 50 oil at 260°F is as thin as an SAE 20 oil at 190°F, imagine how thin. If you still got 5W30 inside the engine when you mistakenly refilled 5w20, the two oils – 5w20 and 5w30 – would mix together. You can still use 15w40 and 10w30 motor oils, even though they aren. 1549 posts · Joined 2004. #10. Again, when buying motor oils, you should be careful of the brand. Share: Facebook Twitter Reddit Pinterest. synthetic. The 5W-30 GF5-SN to the best of my knowledge can be either a conventional or synthetic oil. The SAE 30 oil will offer more protection for older lawnmowers, but both types of oil are suitable for lawnmowers. You can use 5w30 instead of 10W30, but not always 10W30 instead of 5W30. You'll definitely want to change that out before it gets cold. I read up for weeks trying to find info on benefits and/or if its compatible. DO NOT use automatic transmission fluid (ATF) - that fluid is NOT compatible with the oil that's in there now, and it may even wreck your seals. Generally, the viscosity. I use 10w30 year round for all my OPE needs. 5 cSt at 100C and 5W-20 is roughly 8. C. Same as the case with the 10w30, 5w30 also meets all the standards set by the American Petroleum Institute and the European Automobile Manufacturers Association, like API SN and ACEA. On the other hand, the second portion of the grade number describes the thickness of the oil. Since this is used to blow snow, I doubt it gets a lot of use and probably will last a long time If you keep good oil in it and change it every few years. 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 5w40 motor oil indicates the weight and the viscosity of the engine. Still, check your owner’s. When the weather is cold, the oil must flow freely to protect the engine parts. This will shorten the functional life of the engine and compromise its performance. This means it will have a free flow at a lower temperature compared to 10W30. 0w30 sure was nice to start up though. 2, 10w30 is 3. To begin with, a lot of the benefits are also enjoyed when using the 10w30. 6L is no different than the newer ones. However, none of the engine tolerances were changed from the days of 5w-30 oil, so engineeringwise the engine was designed with 5w-30 in mind and then discovered that it would be safe with 5w-20. Like 10w30 motor oil, you can use 5w30 oil. CK-4 (CES 20086) was made specifically for that. There must be a reason for it right?! And well, apparently there is! 5w30 is the better option to go with if you are comparing between 10w30 and 5w30. However, the difference in viscosity between the two can impact engine performance, particularly in specific temperature conditions. The "30" in "5w30" is the hot viscosity. From the way you worded your question, you aren't gonna have peace unless you use a 10w-30. The 40W hot visc is a complete non-issue. Castrol, Valvoline, Pennzoil "conventionals" are all labeled "synthetic blend" in 5w-20 and 5w-30. I could probalby use 10w40 instead, but am using. I use it just fine into sub zero territory (into the minus teens) in the dead of winter with no issues. Yes, you can use 10w30 instead of 5w30 in most cases. IF I had the 4. Add to that, being synthetic is an extra margin of safety. 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. 6,881. 6 and 9. The numbers on each bottle of oil (5w, 10w and 30) are representations of the product’s viscosity. VZ SV6. Since it is a multi-grade oil, 5w30 can handle. Q. #9 · Mar 3, 2014. Home. #9 · Nov 12, 2005. From a prior thread I responded to about switching to 5w-30 oils "Ford claims about 6/10ths of a percent increase in fuel economy. This can be good for engines that do. If I were in Vegas or some other location with hot summers, I'd run 10W30 for the added protection during the summer. According to the 2020 ford owner’s manual, almost all of their engines must be using a 5w30 motor oil or 0w30 motor oil. The difference this time is that the drained oil was much more black instead of clear reddish despite only running 3k. If the manual calls for 5w-20, and they used 10w-30, I would make them put the correct oil in. 3 to 12. There is no major issue should you use 10w30 instead of 5w30. Not only is it the safest option, but it is also the cheapest. So using a 5w-20 on an early 4. #10. All Toyota engines should be lubricated with 5w30 motor oil. 5w30 Vs 10w30 Differences in Engine Oil Viscosity. 10w30 is not a "thicker" oil per se. SAE 30 is also better in warm conditions while 10w30 can accommodate colder ones as well. The answer is yes, but it depends on the engine manufacturer’s specifications. Replies 66 Views 8K. Unlike the SAE 30, the 5w30 motor oil gets thinner. Today’s 5W-30 motor oils provide consistent. When driving in warm climates, 5w 30 oil is ideal. and just buy this quality oil in bulk at a low price. Here is a summary of their key differences: Viscosity. Mobil 1 10w30 is much too thin. 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. This can be beneficial in higher heat conditions or for engines that operate at higher temperatures. Always refer to the vehicle’s owner’s manual to ensure you’re using the recommended oil grade. The polymers can shear and burn forming deposits that can cause ring sticking and other problems. ” 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. Another alternative is to blend the 10W-30 with a 0W-30 to make a 5W-30 with better fuel economy. “Above 32°F (0°C), use SAE 30. If you're in a high ambient market consider 10w-30. For Jeep, you can use 0w20 motor oil or 5w30 motor oil, depending on your car model. Manufacturers designed these oils to protect the engine while warming up. The reason why they specify 0W-20 (and new cars are trying to go lower such as 0W-16) is for better gas mileage. Roller cams like the lighter weight oils, but with age, it doesn't hurt to step up to 5W30, particularly in the hotter regions in the country. You can use 0w30 in place of 5w30, as it is more adaptable than 5w30, courtesy of its vast working temperature range. Fuel economy: Thicker oils can reduce fuel economy, so using SAE 30 instead of SAE 10W-30 may result in lower gas mileage. In the 2. THE 10W30 OIL & ITS BENEFITS. I'm not one that usually buys an equipment manufacturer's own brand (I don't like the Briggs oil, way over priced) but the Kohler oil I found works best. The first number, 5, represents the oil’s thickness or viscosity in low temperatures. The one exception is Havoline. The 0w40 motor oil is not on the recommended list. Using 10W40 in an engine designed for 5W30 can lead to: Delayed engine start: The thicker 10W40 might not flow as quickly as 5W30, especially during colder conditions. Engines using "0w-" oil have enhanced oil pumps to deal with the watery-thin oil. The viscosity is how thick or thin the. The only difference between the two oils is the low temperature point, with the 5W30 oil functioning slightly better than the 10W30 oil. Can I mix in 5w-30 oil with 10w-30 oil? Yes, you can mix them. If you buy the engine oil and find it rated 10w30 or 5w20, you can rely on them. I have been using 10W30 G4 shell Helix, is it okay to change to 5W30 and is it better for the engine? Also, it cost about $45 for a 5 litre can, on the other hand the Valvoline "Engine armor" with the same specification as the shell Helix, cost about $40 for a 6 litre can, does it make any difference which brand I use. . SAE 30 vs 5w30 (The Short Version) Basically, SAE 30 and 5w30 have the same rating or viscosity of 30 while hot, but when cold their ratings differ. Since the thinner 5w20 oil lower combustion range of -30° to 35° Celsius. Can I use 0W-30 instead of sae30? A: NO, this is NOT the same as 0W-30 oil. the original 3. But, 10w30 is not ideal for the snowblower engine. In this article, we will explore whether or not you can use 5w20 instead of 10w30 in your lawn mower. A 5w30 motor oil is best used for high mileage vehicles. For the 5w20 motor oil, the twenty indicates that the motor oil has a low viscosity and is also thinner in high temperatures. Can I Use 10w30 Instead of 5w30? Ideally, no. 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. The main reason is that the viscosity of 10w30 is much lower than that of 5w30. As far as thicker oil, first try a High-Mileage oil before you do to a diesel 5W-40 - try Valvoline Maxlife 10W-30 and see if it helps. Use 5w-30 and you'll eliminate consumption issues and have a quieter engine. So depending on your car type, you can use 0w30 motor oil or 5w30 motor oil. Can I Use 15w40 Instead of 10w30 and Vice. So, it’s better to choose the oil type wisely depending on. Oil with a low viscosity is better for engines as it can easily flow to all parts. Can I use 10w40 instead of 10w30 in my generator? Yes, there is no danger at all. Synthetic 5W-30 can be used in all temperatures. The “10” in 10w30 means that the oil is thicker in cold weather than 5w30. However, both of the oils can withstand temperatures up to 100 degrees. The protection offered by 10w30. If your in Texas, using a 10W30 instead of a 5W30 will make no difference to your vehicle. Can you use 20w50 instead of 5w30? 20w50 is actually thicker than 5w30. I use 10w30 in winter and straight 30w in summer. Thicker oil offers better lubrication of motor and engine parts. This is the best oil for snowblower because it can be used with most models. See moreFeb 2, 2023There is no reason to switch between 5W30 and 10W30 between winter and summer. This will result in less fuel efficiency, less horsepower, and more engine damage because it will have to work harder to rotate. 4 NA, the oil cap is stamped 5W20. Your mechanic seems to be clueless as to the requirements of a recommended oil for your Audi. Mobil's 0w40 is actually right in the middle of a 40wt, it's not on the thin side like their other viscosities. -20C here and it started like it was a balmy summer day. 25 MPG per vehicle if they changed to 5w-20. Can I use 10W30 instead of SAE 30 in my lawn mower? No, it is not recommended. Because it thickens less when cold, 5w30 motor oil is preferable. Fearless 2005. The GM owners manual strongly recommends using 5w-30 oil and allows the use of 10w-30 oil above 0 degrees F. Can I Use 10w30 Instead of 5w30 in Summer. Grade - Vis 40C - Vis 100 C 10W30 - 72 - 10 5W30 - 66 - 11 For a full synthetic Castrol Edge you get 5W30 - 72 - 12 The GF-5 oil are energy conserving, so a HTHS of between 2. 10w30 Nissan. C. If your vehicle requires 5w30, it’s best to stick with that. Ergo a car with high high way miles is in better shape than a car that does stop and go driving. So 5W-30 has a lower viscosity at cold temperatures than 10W-30 because its viscosity index is lower than 10W-30’s.