can you use 10w-40 instead of 10w-30

This is the reason your location is so important in selecting which oil to use. The 5w30 motor oil and 10w30 motor oil are both thirty-weight oils, and they have the same thickness in your vehicle if it is at operating temperature. The 5w30 motor oil is better because this oil will thicken less if it is cold. However, there is eighty percent wear that can occur upon startup. The thin oil will get to the top end faster.

And you are using it for a long time. Your vehicle does not use 5W-30 oil. With temperatures going down to 20F a 10W oil will not be an issue. The best conventional 5W-30 is Havoline Energy. The low number will dictate that the motor oil will be thin and have less static friction in the engine. Gear Oil 80W-90 is a premium mineral automotive gear oil manufactured with modern extreme pressure additives and friction modifiers, meeting the requirements of API GL-5/6 and MT-1, as well as many other manufacturer specifications. (it will flow the same as cold 10w oil). In regard to multigrade oils, the first number in the code, such as 10W in SAE 10W-30, means that the oil can still be pumped by the engine at a temperature as low as a single grade 10W oil. Replacing stock engine oil with ZIC 10w-40 semi synthetic helped me fairly. Yes, you can make use 10W30 engine oil instead of the SAE30 in your Lawn Mower. So, your car may experience inconsistency. The synthetic engine will be fine as long as it is fully synthetic.

From the other thread the difference between a 100% 0W30 and 100% 0W40 oil is about 2% fuel economy, which you won't notice on a short run (about 0.5 mpg on a 25 mpg combined cycle). At operating temperatures, both oils will have the same viscosity (30) You should choose synthetic 5W-30 oil that is of high quality. 10W40 can be used if your engine sound is high and your vibration is high. I haven't blown anything up yet. The engine oil will flow slower than 5w30 during the cold season. Due to 0W-40 being thinner, it has a slightly higher efficiency in certain engines. Jan 17, 2016. This machine takes 7 quarts with one filter. The engine gets warm in the summer. So, 10w40 is thicker than 10w30, and it provides better engine protection in hot temperatures. Can I Use 10W-40 Instead Of 10W-30 Oil? When the oil is cool, the 10w30 oil would be thicker and more viscous than the 5w30. 1 Dec 2021. Yes, you can make use 10W30 engine oil instead of the SAE30 in your Lawn Mower. What Happens If I Put 10w40 Instead Of 10w30? Should I use 10w 30 or 5w30? Therefore, a 10W-30 oil becomes a 20W-40 oil. B. While emptying my drain pans from my oil change yesterday, I noticed that one of the jugs of oil I added to the truck was 15w-40 instead of 10w-30. a typical engine oil was a SAE 30. Heavy-Duty Applications. The only difference between 10w30 and 10w40 oil is their thickness at engine operating (hot) temperatures. If the manual says to use synthetic oil, do so. What weight oil should I use in my generator? If you were to use 10W-30 instead of 5W-30, the engine would be slightly less protected against wear during startup and colder temperatures. J35Z3 (2007 2012) was an analogue to J35Z2, but without the VCM system. But unless you live in an extreme climate, the difference in protection should be negligible. Your 4-stroke dirt bike will likely use 10w-40 oil as that is one of the most common options. Either it is a 5W30 or any other oil, you should go Why not 10W-40? 10W-30 is a synthetic designed for You can use 10w40 motor oil instead of 15w40 motor oil, but you have to know that your manufacturer should always use the recommended oil. Obviously, both 10w40 and 10w30 are the most common oils used for car engines. Above 32F, use SAE 30. Brief content visible, double tap to read full content. Joined Jan 1, 2009 Messages 169. I agree with Jason that when you have high miles on your car 10w-30 is better even 10w-40. 10W-30 engine oils can fit anywhere in the range of 9.30cST to 12.49cST. W grades are measured at 40C. The Society of Automotive Engineers (SAE) has established a numerical code system for grading motor oils according to their viscosity characteristics known as SAE J300.The original viscosity grades were all mono-grades, e.g. Can I Use 10w40 Instead Of 5w40? Below 40F and down to -10F, use 10W-30. B. TeeJayy said: My problem is that when using 10-30 in the summer and the jeep gets up to temp, i dont have great oil pressure. 11. The first numbers 10W and 5W are referring to viscosity at cold so that the lower the number is the thinner the oil is at cold and vice versa. At operating temperature, 10w30 is NOT heavier. The main differences between 10w40 vs 15w40 are in the temperature range of the oil and its viscosity at 100 C or 212 F. For example, 10W40 means that it can be used at temperatures not lower than -20 or -4 F, and 15W40 not lower than -15 or 5 F, and both engine oils can be used at 40 or 104 F. darn near every honda atv i have serviced (literally all models) call for 10w40. A 10w-40 is better at around 6 times thicker and a 0w-40 is much better at about 4 times thicker. For instance, when comparing 10W-30 and 5W-30, 5W30 flows easily at start-up temperatures compared to 10W-30. Oil should be changed after the first 20-30 hours of operation and every 100 hours of run time thereafter. The weight of a straight-weight 30 oil can be increased to 40. A 30-weight oil is between 9.3 and 12.4 cst at 100C. The best synthetic 5W-30 is Havoline Synthetic. In most cases, no, you cant. So, you can have 'thin' and 'thick' oil within the same oil grade - ie, Havoline 5W-30 is 9.7 cst@100C; while Maxlife 5W-30 is 11.5 cst@100C. If you drive the vehicle in exceptionally cold weather, well below 32 degrees, you can use 5W-30 oil but even 10W-40 is still perfectly OK to use if outdoor temperatures are below freezing. Can I use 10W-40 instead of 5w30? You should choose synthetic 5W-30 oil that is of high quality. You will find that 10W30 is used more often than 10W40. An oil can be viscosityed by such products by about 10 points. When to Use 10w30 vs 5w30 The only difference between these two oils is cold flow ability: a 10w30 oil will move slower than a 5w30 oil during cold startups.

Dec 7, 2013. Can I use 10w40 instead of 10w30 in my lawn mower? What oil should I use for 100k miles? I've done 5w-30w Rotella, Honda GPN 10w-40w, Yamaha 20w-50w. If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended cool- ant as soon as possible. Synthetic 5W-30 can be used in all temperatures. It wont make much of a difference if youre in a hotter climate area. In general, 10w40 is a thicker oil and ideal for use in hot weather. Heavy-duty applications (like commercial vehicles) require an engine SAE 30 motor oil is commonly recommended for use in a lawn mower engine, but the safest best is to use the type of oil your lawn mower manufacturer recommends. I'll use XX-20 when hell freezes over. 10w-30 10w-40 10w-50 20w-40 20w-50 There is even a special blurb in the manual that states that if you live in the desert, or tow regularly, or high temperature areas, you should run a higher viscosity oil. But be aware that as it's a thinner oil, it might not lubricate engine parts as well as 10W-40 as temperatures continue to increase. Older engines can use the SAE30, while the 10W30 is for modern engines. Only uses about 2 qt of oil between oil changes of around 22,000 - 23,000 miles / 450 hours (50% longer than OEM recommended oil change interval of 15000 mile / 300 hrs for the Series 60 pre-EGR). But when the engine reaches the operating temperature (100C), 10W30 oil will be much thinner. Yep, thats surprising that they recommend 10w30. Do not use synthetic oil unless you have at least 30,000 miles or you can cause problems. I haven't blown anything up yet. (10W-30, for example) is important. This is because all oils thin when heated, so to get the right film thickness at operating temperatures oil manufacturers If you use 10w40 instead of 10w30 it will work better for your engine. You can find 10W-40 auto oil with an API SG though. It is obvious from the basic fact that 40 is greater than 30. The 5W40 oil flows a lot easier when cold than the 10W40 oil. Use only what the owner's manual specifies. This requires thicker viscosity oil such as 10W-40. There is a small benefit of using a 10W instead of a 5W oil in that the 10W will normally have less viscosity improvers in it. Better In Cold Weather. 5w20 is better for cold-weather starting, whereas 10w30 is better for sealing action. So, we can see, 10W40 is thicker than 5W30. No. At these temperatures, 10W40 is more viscous than 10W30. Can I use 5w20 instead of 10w30? A 10w30 is not going to provide a better cold start than a 5w40. That said, you can still use 10W-30 motor oil in warm weather. 10W-30 flows easily than 10W-40 at normal operating temperatures. I use 10-40 during the winter and rotella 15-40 in the summer. A 5W, like in SAE 5W-30, can be pumped at an even lower temperature, and a 0W, like in SAE 0W-30, will pump at the lowest tested temperatures. Texas is, no doubt, correct that this problem has been addressed and certainly 10W-40 oils have been improved over 30 years. The oils MAY carry a higher API Rating BUT, they MUST then have the JASO MA or Your vehicle does not use 5W-30 oil. Synthetic 5W-30 can be used in all temperatures. Although you cant interchange these two oils, you need to understand their difference to know the best applications. Here, the lower the number, the thinner the oil. The 5W40 oil flows a lot easier when cold than the 10W40 oil. Thicker oil offers better lubrication of motor and engine parts. Now, as you are using 10W30, we can consider you are driving in slightly cold weather. If you use 10W40 oil during periods of a cold engine running, the molecules of this specific oil might be too big to enter between the metal parts of the engine for proper lubrication, hence leading to damage. What weight oil should I use in my generator? Can we use 10W40 instead of 10W30 scooter? Viscosity Index Improvers (VII's) are what make muti-viscosity oils thicker. It's heavy enough to protect your engine on startup and it will quickly gain viscosity as it heats up. Therefore, a 10W-30 oil becomes a 20W-40 oil. Yamahalube 10W-30: Fuel Capacity: 7.7 L (2.03 US gal) Competition : Honda CR250R Kawasaki KX250 Suzuki RM250: Yamalube 10w-40: Manuals : 2005 Yamaha YZ250 Owners Service Manual. Your vehicle does not use 5W-30 oil. This higher viscosity oil is designed for hotter temperatures and can handle the added heat stress from the environment. However, you dont want to use it if you live in hot climates or it is the The engine oil with a smaller first number has better flow when it is cold. 5w20 is thinner at lower temperatures, whereas 10w30 is thicker at lower temperatures. it will over a 15w40. Q. 10W-40 . The 10W-40 stuff HAS to have enough VI to cover a 30 point weight spread; the 10W-30, a more manageable 20 points. Jump to When should I use 5w30 vs 10w30 That is why it will be best if you used 5w30 instead of the 10w30 if your vehicle operates in climates that are. Using an oil with a low viscosity can lead to excessive metal to metal contact between moving parts. In the rest of the world Ford recommends 5W-30 in the Focus.

10w30 is thicker than 5w30 because it has a higher viscosity in low temperatures.

Furthermore, what is a thicker oil than 10w30? If you use 10W40 instead of 10W30, you will see other performance improvements in your engine. 29 Oct 2021 The winter viscosity number will state the cold start performance. I've done 5w-30w Rotella, Honda GPN 10w-40w, Yamaha 20w-50w. Can I use 10W 40 instead of 5w30? #4 Regarding multi-vis oil, The first number (10w in 10w30) is how well the oil flows cold. This viscosity in centistokes (cSt) @ 100 degrees C is with the minimum of 9.3 cSt and a maximum of 12.5 cSt. 10W-30 (<2003) 10W-40 (<2003) 5W-20 (2003-2013) 5W-30 (2003-2013) 5W-20 (2013+) You can buy an Acura RDX or an 8th generation Honda Accord with this engine. The engine worked great. Below 40F and down to -10F, use 10W-30. If you are looking for high-quality oil that can withstand winter use, then this 10W-40 viscosity grade oil can do quite a good job. Can we use 10W40 instead of 10W30 scooter? This means that when you pour 10W40 into your engine, it will have a harder time flowing through the engine and moving around the parts. The engine power is 220 HP @ 8,000 rpm, the torque is 215 Nm @ 6,100 rpm. The oils MAY carry a higher API Rating BUT, they MUST then have the JASO MA or This will make your engine lose lubricity and increase engine wear and friction. I doubt if you will find a 10W-30 auto oil with the proper specification of SG or with a JASO MA Rating. Fuel Economy 10W-30 oil tends to be more common and widely Jan 20, 2014. Here, the higher the number, the thicker the oil is. Efficiency Of Engine Higher performance engines may see higher loads in engine parts. I consider my driving style, combined with larger tires, 100+ degree days, A/C running constantly and off roaring at low speeds, etc. Can I use 10W-40 instead of 5w30? T. Conventional 10W-30 engine oil formula that keeps engines clean and responsive ; No leading conventional oil provides better wear protection (Based on Sequence IVA wear test using SAE 5W-30). Often 10W-30 or 10W-40, the same motor oil types that are used in vehicles, can also be used in a lawn mower. If you use 10w40 in place of 5w30, it wont perform as well as 5w30 in low temperatures. Jan 17, 2016. It will remain just a little more viscose when hot than a 10w30, but the difference is small. Yes, actual oil viscosity decreases with oil temperature and your oil pressure readings don't surprise me. 10w30 and 10w40 motor oils both have very different viscosities, which means that it is difficult for them to mix. What happens if I use 10W40 instead of 10W30? I use 10-40 during the winter and rotella 15-40 in the summer. Follow the recommendation of the car manufacturer. The weight of a straight-weight 30 oil can be increased to 40. Updated other options based on this selection . Rob Boardman Therefore, 10w-40 oil clings to the engines moving parts more than the lower viscosity 5w-30 oil. In other words, when your engine is running, both 5w30 and 10w30 oils have the same viscosity (SAE 30) and will operate as well. If you use 10w40 instead of 10w30 it will work better for your engine. Balancer shafts, a more rigid crankshaft, high compression pistons (CR = 11.5), reinforced connecting rods are installed into the cylinder block, and dual valve springs, dynamic camshafts, The second number is the hot flow. It will boost oil pressure so more oil reaches areas that don't have direct oil pressure going through them (upper end of the motor). The engine gets warm in the summer. Suppose your owner manual says to use 10W30. 10W40 has a higher viscosity than 10W30. Between a 10W-30 and 10W-40, 10W30 motor oil would run smoother in colder climates while a 10W40 would be more effective in preventing engine wear and tear in warmer temperatures. Most engines are designed and tuned with certain oil viscosity, and switching to heavier oils can affect your engine performance. First, you must understand what the oil viscosity number means. Low oil viscosity and high engine loads will kill an engine quicker than using a 10W-whatever, everytime. Similarly, 5W40 will be an upgrade but 5W-30 wont.

A 10w-40 motor oil is a thicker oil at startup than a 5w-30 motor oil. Can I use 10W 40 in my Craftsman lawn mower? Honda K20 engine modifications and differences 1. A 40-weight oil is between 12.4 and 16.8 cst at 100C. What happens if you use 10W40 instead of 10W30? 10W40 can be used if your engine sound is high and your vibration is high. Using the wrong oil can lead to reduced lubrication and shorter engine life. In addition, the other number indicates the oils resilience to thinning at extreme temps. You should never use 10w40 instead of 5w30. If you are looking for an economical solution, you might prefer 10W30. (10W-30, for example) is important. K20A is a sports JDM version made since 2001. 5W-20 . 10W-40 and 5W-30 require a lot of polymers (synthetics excluded) to achieve that range. An oil can be viscosityed by such products by about 10 points. The truck has about 10qts of 10w-30 and 2.5-3qts of 15w-40 as it sits right now. The brand recommends SAE 10W 30 SL Grade engine oil for Hero XPulse 200.

10w40 can operate under a working temperature as high as 104 degrees Fahrenheit, while 10w30 maximum working temperature is 85 degrees Fahrenheit.