I used 10w-30 instead of 5w-30 for my Chavy engine v8. Designations on the label — such as 10W30 or 20W50 — tell the oil’s viscosity. Home. And do not put MMO in it. #4. 10W30 is preferred in warmer climates, but you should still follow the manufacturer’s recommendations. Only use what you need. VZ SV6. After I drove 600 miles engine light is on. However, you can use both of them if you want to, but they are. As a result, 5W 30 offers superior protection against wear and tear, making it the better choice for use in high-mileage vehicles. This means it flows more easily at lower temperatures. requires a HT/HS number > 3. So 5W-30 has a lower viscosity at cold temperatures than 10W-30 because its viscosity index is lower than 10W-30’s. I run 15w40 in mine & the pressure is 80 cold & drops to 40 hot at idle. But in short, the SAE 10W30 has a relative viscosity that thins when the oil is heated instead of thickening. If the temperature reaches even higher levels, the 10W30 will not be very efficient and you should go with the 15W40 oil. You can also use 10w30 motor oil in cold weather, but it is preferred in hot weather. “5w20” means the oil weight in cold temperatures is “5,” and in high temperatures, the weight is “20. 5w30 provides better lubrication as a result of its superior flowability; however, the greater thickness of 10w30 grants it a better sealing capability. 10W40 isn't as good as 10W30. The temperature range within which it works isn’t that high. I would not hesitate to use 5W30. Can I Use 5w30 Instead of 0w30? This will depend on many things. 10W-40 and 5W-30 require a lot of polymers (synthetics excluded) to achieve that range. 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. There is certainly no problem for the engine. It also calls for HTO additive. You can still use 15w40 and 10w30 motor oils, even though they aren. Both high mileage 5w30 and 10w30 engine oils have the same additives, the only difference is the viscosity at cold startups. 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. Use SAE 10W-30 for a wide range of temperatures between 0 and 100 °F (-18 and 38 °C). Same thing with my Honda-powered Craftsman push mower. 5w30 engine oil is a popular oil used in many vehicles today. 4L 454 with 160k. Engine oil is a key to the longevity of your vehicle’s engine. 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. There is no problem using the new oils labeled "synthetic blend" if you were buying conventional before. SAE 30. The 40W hot visc is a complete non-issue. Yes, you can use 5w30 instead of 10w30. But there are engine oils that are better than the others. We would like to show you a description here but the site won’t allow us. Engine oil 10w30 instead of 5w30. Below 40°F (4. “30”) is. Briggs & Stratton mowers added 5w30 synthetic to their recommended oil for covering practically all temperatures. However, you should pay attention to factors like temperature and viscosity. However, since it is a motorhome, it can sit anywhere from 15-20 days at a time without being run (am pretty good at keeping it in good working order). (you must follow the manufacturer's recommendations). In the same case, 10w30 oil can take hours to ignite in winter. 5W30 is a multi-grade oil with a viscosity ranging from 5 (lower) to 30 (higher). Best Type. The instructions should always be read as a rule of thumb. For Chevrolet, the recommended oil is 5w20, 5w30, or 10w30 in some engines. Since both oils have the same operating temperature viscosity (30) and additives, they will perform exactly the same. This makes it better at protecting your engine from wear. 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. While 10W-30 offers better high-temperature protection and lubrication, it may struggle during cold starts and could potentially strain the engine in colder climates. Until that time, you should use 10W. I have run 5W-30 -OR- 10W-30 year. Briggs & Stratton, Honda, Toro, and Kohler recommend that engines in their devices use 10W-30/SAE 30 or 5W-20/5W-30 synthetic oil. Before making a decision, it is important to know the technical specifications of every oil type. In winter weather the 0W oil will flow like a 0W oil, and the 5W will flow like. 10w-30 since Honda Genuine dumped after break in . Mixing the viscosity of oils will not have any effect on the engine. The only difference between the two oils is the low temperature point, with the 5W30 oil functioning slightly better than the 10W30 oil. It is possible to use 10W40 oil instead of 5W30 in the short term without. The viscosity of 5W40 is from 12. When first reading BITOG and seeing people using 0w20 instead of 10w30, I cringed. 4L Theta GDi type, Hyundai wants your car to have either 5w-30 or 5w-20 (or even 10w-30 if your car NEVER gets below freezing) that meets or exceeds ILSAC-GF4. For people who buy a new car, it’s best to use 5w40 oil instead of traditional 10w30. This means it flows more easily at lower. Is 5W-50 suitable for summer?Location. You can always find the recommended oil viscosity for your car’s engine in the owner’s manual. Additionally, If your lawnmower manual calls for. Bottom Line. However, it still meets the requirements for cold-weather performance. Lower viscosity oils are designed for use in engines that. 5w30 motor oil is recommended for light-duty engines, whereas 0w30 can be used in SUVs, small vans, and tractors. You WILL NOT get a 5W by mixing a 10W and a 0W. If it tells you to use 5W30 only, then you shouldn’t switch around to using 10W30. The SN is an API rating that superseded the. 1) 10w30 oil is a bit thicker than 5w30 oil, meaning that it may provide better protection during startup. Mobil 1 10w30 is much too thin. You won’t lose much by opting for 0w30 instead of 5w30, with 0w30’s resilience for low temperatures being its primary selling. If I were in Vegas or some other location with hot summers, I'd run 10W30 for the added protection during the summer. #9 · Nov 12, 2005. Other functions include cleaning, preventing heat buildup, and corrosion. I read an article sometime back what was the long term effect 5w20 on engines with summer's of extreme heat. These oils have a lower viscosity than traditional motor oils like 10w-40 or. In most cases, you can always use the 10w30 oil, but be sure it has the appropriate weight for your vehicle. Yes, you can use 10w30 instead of 5w30 in most cases. 25 MPG per vehicle if they changed to 5w-20. Stick with the 5w30 it'll flow better at the lower temps. If you're in a high ambient market consider 10w-30. Sep 23, 2015. link to Can I use 5w20 instead of 0w20 - (0w20 vs. Accidentally Used 0w20 Instead of 5w30: Is It Ok? Yes, it is okay. Using 10W30 instead of 5W30 could lead to faster wear and tear, especially in colder climates. But the vehicle location will affect it. 10w30 is not a "thicker" oil per se. The only difference between these two oils is cold flow ability: a 10w30 oil will move slower than a 5w30 oil during cold startups. This blog post will clarify the. Use 5w-30 for most uses, and 10w-30 for extreme high temperature use. According to manufacturers, 10w30 works better in hotter temperatures compared to 5w30 oil. The 10w30 motor oil can be good in high temperatures. I'm averaging about 21mpg over the life of my truck. 1) 10w30 oil is a bit thicker than 5w30 oil, meaning that it may provide better protection during startup. 0 or lower HTHS of a 5-30 under the hot conditions an air cooled engine experiences. However, if you do use 10w30 in a 5w20 engine, it may lead to several negative effects on your car –. 7L Sebring just got done with a 10w30 OCI - the only time we experience engine start trouble was at 10 degrees. Both of these motor oils are 5 grade when cold, however, 5w30 oil is 30 grade, and 5w40 oil is 40 grade at operating temperatures. Helps extend engine life even in severe conditions. Forums. You should not use a 10w30 oil when the manufacturer recommends using 5w30. However, the difference in viscosity between the two can impact engine performance, particularly in specific temperature conditions. It also helps maintain optimal performance and fuel economy. The 5w30 when cold will still be thicker than the 10w30 when hot anyways so it doesn't matter. The engine oil will flow slower than 5w30 during the cold season. The recommended motor oil for Nissan vehicles is 5w30 and 10w30. The 5w30 has more viscosity index improvers vs the 10w30 so technically the 10w30 would have more oil that lubricates the engine. 5w30 engine oil is more liquid than 10w30. I’ve used almost nothing but 10w30/40 in it for over 160k miles of ownership in the Houston area. It may help marginally on a high mileage engine if it. It is a multi-grade oil that is designed to provide superior protection and. Aug 2, 2011. #2 · Jan 30, 2010. You can use 10w30 instead of 5w30 oil since both meet the SAE standard for viscosity at operating temperatures. This type of oil is specifically designed to reduce wear on your engine and protect it in extreme weather conditions. 5w20 is the top-recommended engine oil for the. I use Mobil 1 Extended Performance 5w 30 in my GT though my motor is still stock. Aug 18, 2002. The difference would be as the oil is warmed up, like in a running engine. Yes, you can use 10w30 instead of 5w30 in most cases. Always refer to the vehicle’s owner’s manual to ensure you’re using the recommended oil grade. . This could potentially lead to engine damage as the oil isn’t able to properly lubricate all of the moving parts in the engine. At one time Honda and Ford were the only one's using 5w20 and the only reason was the meet. 5w30. The SAE 30 oil will offer more protection for older lawnmowers, but both types of oil are suitable for lawnmowers. Mixing the viscosity of oils will not have any effect on the engine. Can I Use 10w-30 Instead Of. And I know other people can say the same thing about their 0w-20. The only difference between the two oils is the low temperature point, with the 5W-30 functioning slightly better than the 10W-30. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing. #6. 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. Using 10w40 instead of 5w30 is not always a bad decision. I was reading the manual and it says, if you are in winter time (maybe does not count in Atlanta, although, we are freezing today), it recommends 5W-30 a thinner oil, to help with start up in cold weather. “Above 32°F, use SAE 30. Essentially, 5W30 is a more versatile oil suitable for a wider range of temperatures, while 10W30 is more appropriate for warmer climates. C. You'll definitely want to change that out before it gets cold. By default, the oil is thinner than the 10W30 engine oil in cold weather. In warm weather, maybe nothing bad, but at -20F (-29 Celcius) there may be problems, at least with conventional oil. When the weather is cold, the oil must flow freely to protect the engine parts. Unlike the SAE 30, the 5w30 motor oil gets thinner. No 10W-30 that I know of. Ideally, you should not use oil that features a viscosity that your engine was never made for. Sae 30 is a single viscosity motor oil, that can easily be replaced with multi-viscosity motor oils. 5W30 oil is designed for cars and other engines that require lighter oil, while 10W30 is specifically designed for lawn mowers and other. I notice the oil companies have sneaked in 10W40 instead of 10W 30 because "40" is cheaper than "30". Also make sure you're using the better filters to make sure they don't drainback everytime you shut off motor. Have a 99 GMC Suburban K2500 SLT 4x4 7. Their oil for whatever reason seems to run best in these Command V-Twins. Yes, it is possible to use 10W30 instead of 5W30 as both types meet the SAE standard. Location. If you own an older model car (1995-2003), you should definitely change the oil as soon as possible and shift with 5w30. 10W-30 is so slow at flowing, it takes a full 5 minutes to reach all the bearings on startup. All temperatures are suitable for synthetic 5W-30. Is 10w30 thicker than 5w30? 10w30 is thicker than 5w30 because it has a higher viscosity in low temperatures. It can provide superior strength and fantastic. 1549 posts · Joined 2004. A lot of guys, as their. Therefore, they will flow in the same manner. Let’s find out more about Engine Oil 10w30 vs 5w30. If your vehicle requires 5w30, it’s best to stick with that. The 10W30 viscosity spec is the closest one to SAE 30 and the best substitute. My girl friend's 2. You can use 5w30 instead of 10W30, but not always 10W30 instead of 5W30. What kind of engine oil you want to use is your decision. I also add lucas stabilizer. It is commonly seen that people use 10w30 instead of 5w30 in summer. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Yes, you can consider using 10w30 instead of 5w30 in the summer when temperatures are higher. 10w-30 and 5w-20 both cost the same although I find the 5w-20 is not as readily available sometimes. However, some drivers allege that it is safer to mix two straight weight oils or. For the 5w20 motor oil, the twenty indicates that the motor oil has a low viscosity and is also thinner in high temperatures. The first number, 5 or 10 indicated on these oils stands for the viscosity, or how easily the oil pours at low temperatures. While both 5W-30 and 10W-30 oils are commonly used in vehicles, they have different viscosities, with 5W-30 being thinner than 10W-30. You can use 0w30 in place of 5w30, as it is more adaptable than 5w30, courtesy of its vast working temperature range. . Thicker or higher viscosity metal oil has a better seal compared to low viscosity oil. While 10W-30 offers better high-temperature protection and. The 5w30 when cold will still be thicker than the 10w30 when hot anyways so it doesn't matter. Received 1 Like on 1 Post. Additionally, 5W-30 will provide better fuel economy than 10w30, since it runs at a lower. #4. One might be surprised at the slight amount of difference between straight viscosity vs. Nov 27, 2010. . 6. #2. 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. 5w20 oil is thinner and mostly designed for performing better with newer engines. 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. But for the guide, you can use 5w40 motor oil in starting your engine in low temperatures.