Can i use 15w40 instead of 10w30

Using too thin an oil can cause problems in engines that are designed for thicker oil. Oh i don't think it's a good idea using an oil thats higher than recommended. He ended up putting in a used engien with 70k-90k miles on it. 5w30 is also a great choice if you live in warm climates that reach up to 35 degrees Celsius or 95 degrees Fahrenheit. Marine manufacturers like CRUSADER and MARINE POWER(MERCERY reccomends 20W40 since they make there own version) reccomend using 15W40 ROTELLA in them. Drivers commonly use 10W-40 motor oil in vehicles with higher mileage because the oil is thicker while the engine is hot; this helps lubricate older moving parts. Jul 24, 2006 · But having said that, the chart that Stefan posted makes more sense to me than the American version. A 40 viscosity Oil will be slightly thicker at running temperature, which is where the early VVTi engine has its weakness with burnt deposits on the piston rings. These days is sees very little use, maybe 2,000 miles a year if that. New fancy car oils have teflon, which gets into the wet clutch and can cause slipping. - Mark Sep 28, 2008 · No, use only the weight recommended by the manufacture which is 15w40. 8. 6L Northstar engine. Example if you'r bikes recommend grade is 10w30. should be 5w 30 i put in 15w 40? i have a ford focus 1. When I bought the car 5,000 miles ago it had a fresh oil change with the Rotella T 15W40. system 15W-40 might be OK but for a universal tractor oil shouldn't be used. 10w30 can be very hard to find with JASO MA approval for wet clutch use. Aug 25, 2011 · Wrong oil in car. Dec 29, 2011 · The 10W30 T5 semi synthetic ROTELLA seems to be a good all around oil for gas engines. Multigrade oils such as SAE 5W-30 and 10W-30 are widely used because, under all but extremely hot or cold conditions, they are thin enough to flow at low temperatures and thick enough to perform satisfactorily at high temperatures. Check Fitment. If you have $$$ give Amsoil 10w30 a try. About api grade, I am not sure. I just read an article in Trailer Life where a subscriber's diesel mechanic recommended on his 2006 F350 6. Log In. If the first number is higher then when cold the oil will be thicker which can make starting the engine harder and may also increase the amount that the engine wears when cold. 7L. While the first part of the numbering suggests that these two motor oils are essentially the same, they differ in the second component. oil,. The oil viscosity discussion has been here before and it seems that 10W30 or sae30 are both acceptable. Good price too. Pero kahit 20yrs old na yung Corolla ko, 87k plus kilometres lng natakbo kasi yung dating may-ari ay chinese business man na mahilig sa kotse, My friend had a 1990 honda civic with a 1. ) If you have high mileage you might want to use a 20W-50 oil, but in colder climates you may want more like a 5W-30. 8T (4-cylinder) engine, to avoid coking the oil into hard bits that clog up the oil pump intake screen. Products search. Mar 06, 2015 · There is no reason you cannot use 15W40 diesel oil in a gas engine. If you're worried about winter chills, then go for the 10W-40. Good luck. You could also switch to a thicker grade of oil, this is commonly necessary on motors with a lot of miles on it, the bearing clearances open up causing a drop in oil pressure. Apr 27, 2010 · Yay, an engine oil thread finally - probably the most subjective topic we ever get onto. For even more effective start-up protection, use a synthetic 10W-40 instead of a conventional 20W-50. He used 10w30 non-synthetic oil which he stated was changed every 5000 miles. Can I use that in my Mazda B4000? It's winter and I actually wish I had 5w30. I have a tractor mower that changes to a snow blower for the winter,. Oct 11, 2013 · 10w40 is "thicker" than 5w30. instead of 2 cans its just 1 all in one can. It is thicker, so it can handle the extra heat better. I do it all the time instead of having my oil low. Some note that used motor oil could burn up your bar and chain sooner, which will make up for any cost savings. This means that the ability to write new posts and access various member features will go away. water temps in high 80s. They always use cheap oil and cheap filters. oil technology and can be used in diesel engines where API CK-4, CJ-4 and below is required. Every other engine at my house uses 10W30. has a ,wide range. I use suzuki genuine oil 10w40 api sg. Jul 22, 2009 · There are several different ways of ascertaining the properties of an oil the most commonly used ones are the codes such as SAE, JASO, MA, MA2, 20W40, 20W50, 10W30 etc. The E calls for 5w20 which seems incredibly thin to me. Well we ended up with a 2005 New Holland skid steer that calls for 10w30 but the shop mechanics only have 15w40. In addition, it can result in voiding a new car warranty. Yea, I use 15w40 on my one remaining Chinese bike - the synth just seemed to find it's way out of the gaskets, also noticed that Synthetic oils give the engine a different sound - a little tinneier, higher pitched. Cat also uses 10w30 for engine oil. Hi straycatt. How do I read this label? Penrite Oil 10 TENTHS RUNNING-IN OIL 15W-40 (Mineral) 15W-. 10w-30 vs 25w-40 July 23rd, 2016, 02:00 PM wanted to pick up 30me 4 stroke oil for my 30 hp efi tohatsu 4 stroke. Miller's or give ELF Competition a try. I know the 5w is better for winter but I have used 10w30 before. car oil is a debate that has raged on and on for decades now. Mobil 1 synthetic 10W30 is on sale for about $4/quart. “Beyond fuel economy, lowering viscosity from 15W-40 to 10W-30 can often bring additional benefits such as reduced warm-up times and less wear at startup due to better oil flow and pumpability Fixing to switch to a full synthetic and I've always been a Valvoline fan. 10W-30 oil can be used at MOST temperature ranges, except for the very coldest. Apr 04, 2011 · Very hard to find fully synthetic 10w30 these days. The car has 172,000 miles on it (I am original owner) but the engine only has 95,000 miles. 10W40 Both these oils have the same weight when cold, and it's a good weight, sufficiently low to get the oil moving through the engine quickly. May 01, 2011 · 10W30 is definitely thinner than a 15W40. i put in 15w 40 this morning and now wondering will this damage my car in any way? I think i get better mpg using 5w20, but could i use 10w 30 or 10w 40 in my 11 overland with the 5. Obviously, SAE and ISO use two different scales to measure viscosity. The "w" means winter. Mobil 1 10w40 You don't say if you have a gasoline or diesel engine. I know SN/SN+ is the latest tech. Hence using Dutral CO 038 instead of Dutral CO 058 we save more or less 10% polymer in the final formulation. You don't say if you have a gasoline or diesel engine. The first number in the code, in this case the 10W, means how well can this oil be pumped at cold temperatures. _____ Mobil 1 synthetic 10W30 is on sale for about $4/quart. The SAE 10W is lower than the SAE 15W and hence is a thinner oil. The W refers to the word winter (not the weight). May 13, 2013 · The difference between multi-grade and straight-weight oil is simply the addition of a viscosity improving (VI) additive. Long story on why that oil and I wont bore you with the why. [/ QUOTE ] If you had to choose a oil that you had to run all year, would it be better to go with 10W30 or 15W40? My 05 work truck, I can only have the oil changed once a year (only goes about 6000 miles a year), currently I had the truck serviced in August with Motocraft 15W40 and it does not like the single digit temps we have been getting. Keep the oil changed at regular intervals and you should be fine. At operating temperature, there will be a completely insignificant difference between the two. Sep 14, 2013 · I personally use Shell Rotella 5w40 full synthetic with JASO MA approval which is much cheaper than the official Honda dino oils from the dealership. In my own semi truck, it gets a 10w30 syn blend in winter and a 15w40 syn blend in summer. This is because it will be slightly thinner at cold temperatures, which allows it to flow more easily through the engine. Personally, I use synthetic car oil generally in my bikes, most often 15W-50 Mobil 1, but sometimes the Shell 5W-40. and you dont have to change oil if it gets cold,. (03-31-2018 ) Unilevers Wrote: it definitely has egr, a doc, dpf, and scr. I'm in Texas and it gets really hot here, however, I'm sure that Honda With temperatures going down to 20F a 10W oil will not be an issue. I understand that at higher temperatures, the 10W30 is supposed to be a little thinner, and the only thing i can see is that potentially this could mean that if 10W40 was used the top parts of the engine could be starved of oil to some extent as id've thought gravity would want the thicker oil down (and that's probably not even likely even then). oil 5w40 you can get better use out of the oil if the Temp. Heavy weights like 10W30 or 10W40 or so, are best used in older cars or in a car with higher mileage, like over 150K or so, as it will help as clearances increase with mileage. Conclusion. So a slightly "thicker" oil will do a better job lubricating the engine. Some newer engines, the internal tolerance is so tight, you have to use the thinner oils. You can use 5w30 but if your vehicle is still under warranty, then you might risk them denying a claim down the road. However, all I can found around here in there SynPower Full Synthetic is 10w30 and 20w50. Considering your newest truck is a 2000 with a 5. I recently put in a quart of Shell Rotella 15W40 diesel oil & noticed it burns less over 500 miles use. Torn between X739 and X758. 5w30 is thin to begin with and only gets thinner. As the oil passages wore down with age, switching to a thicker oil would increase the oil pressure, which would hopefully be enough to push it through every space in the block and heads to keep them lubricated. Valvoline lube guide recommends 15W40 or 20W50. May 18, 2018 · Second, use of a coolant other than the type recommended by the manufacturer can compromise the performance and life of the engine and cooling system. This oil is meant to start up vehicles in winter climates that experience temperatures of 10 degrees Celsius. Most of the spec numbers are essentially saying that they've been checked out for multi-purpose use in tractors and work well (hence mention of John Deere, Massey Ferguson, Ford, etc). A lot of guys, as their engines get older, go and switch to 10-30w anyways, when they get older and start using a little bit of oil. i read in the manufacturers guide that you must use 5w 30 oil or 10w 40. xx a gallon, $3. I have Rotella 15W40 dino in my bike now and soon will be changing for winter oilthat is 10W30. Someone else might totally disagree with me on this. Is it safe for 10W-30 diesel/gasoline rated oil, but can only find 15W-40. 15W-40 is a very common viscosity grade for diesel engine oil. The 500,000 miles challenge does amazing things for its PR as well. 10W-30 CK-4. conventional oil. BTW if you look at your engine owners manual it shows that both oils can be used. Besides, there's also a 10W-30, which is more difficult to find, but should fit nicely on most petrol vehicles acceptable vis spectrum. Oil weights like 5W-30, 10W-30 and 15W-40 have been tested and proven over the years. My recommendation is that you stop by your local Mercedes dealer, and ask a service tech what oil they recommend. (And they you need to replace the clutch). The second bit (the 30 or 40) refers to viscosity at 100C. So i think bthis example clears the illusion. While both 10W-30 and 10W-40 are perfectly suited for use in warm environments, many experts recommend switching to a 5W-30 during the winter. The first Oil you cant use 15w40, 20w40,20w50, 15w50. This old compressor is used less than 20 times per year, so we aren’t losing much sleep over engine oil handling the chore in this case. Hey all, I've been using 5w-30 in the 3. All I can get in 10w30 weight here is branded like tractor, lawn-mover or boat engine oil, which I feel really uncomfortable to use on Cadillac - please correct me if I am wrong. Most people on here arent too far off on specs. Sep 14, 2013 · Honda UK recommend Castrol Power1 10W-30, the motorcycle fully synthetic, do not use car oil, as already stated, it does not like m/c clutches. . BEST ENGINE OIL TO USE I use John Deere 15W-40 Plus 50 synthetic blend in my 4410 and Cummins in the Dodge. In the opinion of the people who designed the engine and specified all the internal clearances appropriate for 10W30 oil, 10W30 oil is fine under most circumstances. 5 Feb 2014 Will not be a problem. The thinner the oil, the less drag put on the engine. Motorcycle engines, motorolie, aceite, huile moteur, Subaru, liqui moly, corsa c, and SAE engines can use the 10w30 or 10w40 or both, depending on the specifications by the manufacturers. If you would like to have an oil change done on your car while at your home or office, a certified mechanic from YourMechanic can come to your location and perform this service for you. It is made for Deere by Chevron. I still have my T5 jug and had been reading more about JASO DH2 classification. For the diesel I would recommend Shell Rotella 15W-40 oil. In reality, the only time it makes a difference is at the extreme temperatures. In the owner handbook that comes with the car it says that you can use 10w30, 15w40 or 20w50. Aug 18, 2013 · Weve had a problem with a few of the MP7s in our Pinnacles losing oil pressure and shutting down on long pulls. I used to work for a county highway dept. giantzfan66 Forum Newbie Posts 3: 01-25-10 08:58 AM - Post# 1849137 My hero! Mw. Hi,I accidentally bought 10w40 and threw out the reciept. Used motor oil will sling off your chainsaw faster because it is already broken down. 01 spec. If I burn through some oil i'll probably use 10w40. You will need to refer to your engine manufacturer for the oil required for your engine. At work they use 15w40 in everything from the heavy equipment to the gas engine trucks. U need to shift to a 10w40 viscosity first. for its use in gear applications. In the same case, 10w30 oil can take hours to ignite in winters. The idea is that since your engine is older, the tolerances between internal components have increased (due to wear). 10w30, however, has a smaller temperature window. He has a friend that told him to use 15w-40 mobile 1 synthetic used for diesels. For gasoline engines I would recommend a 10W-30 or thicker. Jan 23, 2008 · Unless you completly rebuild one of those engines, and use 15w40 after the overhaul, I wouldn't make the change from single grade to multi-grade in any IH engine. Dec 19, 2018 · The rest of the code refers to the oil’s viscosity at different temperatures. I dont see any harm though in shifting to api sj or sg. Traditional wisdom says this would be a good choice. ;O) Very good oil the works well all year round. this is a 2013 unit,. Jan 19, 2016 · They don't use oil recommendations in the manual like commercial heavy trucks do where it is assumed that end users will select oil grades based on several different factors. i run 10w30 in everything i owned. oil weight specs are based on bearing clearance (among many other things), and definitely not on whether or not synthetic or dino oil is used. Does anyone know if 10W30 is acceptable in th The book gives you a chart of everything you can use. Then again, the Mobil 1 10w30 does well as part of the motor oil line officially used in NASCAR races. i have a 1. I already have some 15W40 from a previous car. I run 10W30synthetic and have had 0 troubles after 350 hours on my 17hp kawi. The 15w-40 may be a bit much as the recommended oils are all 5w-40 and 5w-30. The main difference is, diesel oil has more additives to keep contaminants in suspension than oil for gas engines-and of course the weight designation. They use 15W40 in all of their engines, both gas and desiel. My problem: I have a 97 ETC w 4. It doesn't go any higher. For eg: You can use xW50 even if your recommended grade is Xw40 in case you ride a lot in city traffic and your place is a lot hotter or you like (sensibly) ripping the bike more often than not. Oil you cant use 15w40, 20w40,20w50, 15w50. I used to have a chart with all that info on it, but it's in a different stack of papers right now ( ). ^^ As KDXClark said. New new hollands use smurf fluid but you can flush it out for 10w30. I buy it by the 55 gallon barrel so the price came to about $1. 0 he should switch from 15W40 to 10W30 Motorcraft diesel blend after the initial oil change. Also keep in mind that gas engines that are run the hardest use ROTELLA. I personally would use a good synthetic, in either engine, but it is absolutely required for the 1. This data sheet . Aug 18, 2013 · The 10W30 was factory fill for most 2010 + Mack MP engines, it was done for MPG reasons. More Oil Confusion 5w-30 vs 15w-40 Just dropped car off for Maintenance, Timing Belt/Water pump, and Oil Change on my 2004 Jetta TDI. 38 a quart at the time but I think the days of those prices from yore are gone. Apr 10, 2012 · It's okay to use a different multigrade so long as the second number is the same and the first is lower but you need to bear a couple of things in mind. Simply apply the rule that the lower the 'W'; number the thinner the oil. If it is out of warranty, feel free to use 15w40 diesel if you want. Am I correct when I say that 10w40 is the same in the winter as 10w30? I would be cu Feb 09, 2014 · 10w30 is a upgrade, I use syn. Sep 14, 2008 · Yes, there is a wide variation in the exact viscosity of motor oils which can be called 10W-30 or 5W30. Stick to what the Man says and you are Always warranted, if the UK importer says it, they back it. 20 a gallon 2 stroker ANY one of these can be used regardless if your vehicle owners manual says to use, for example, a 5W-30. I'd use 30W synthetic, but it certainly ain't available priced anywhere near $4/quart. by craftsman,. Oil change question Generac Air Cooled Generators. 10w30 is very common. Follow whatever the manufacturer specs. i won't even get into shear strength, etc. The most common grade of automotive oil in use today is the 5W/30, which is a mineral oil refined with VI additives that leave it reading as an SAE 5W viscosity when cold, yet an SAE 30W when hot (210F). Just like you, I may at this point give it a try and assume the risk. In years past, owners of high mileage vehicles would use a higher viscosity oil than what was recommended by the manufacturer, say 15w40 instead of 5w30. and it also has a chart which i think is the more relevant piece of information wioth the recommended temperature ranges, and both 10w30, 10w40, 10w50 and 15w40, 15w50 have exact same temp recommendations, cheers, the 20w40 stuff is half the price, and the 20w50 is even cheaper saving 20 bucks today. I'm thinking of using 15W40 on my I am currently running Mobil 1 15w40 in my S320. What's odd about the American chart, at least in 1997, is the 5W-30 "range" stops at 60*F. SAE 10W is equivalent to ISO 32, SAE 20 is equivalent to ISO 46 and 68, and SAE 30 is equivalent to ISO 100. May 01, 2011 · As you rightly say, these fluids can also be used for other stuff. Wife's car is over 200k and my truck is 170k. And at last i want to say if you follow this rule your bike wont get any harm but always try to follow oem recommendations. So Im going to put in Castrol's 5w40. Was replaced at about 7 Hi all I am about to buy a new X700 series garden tractor, but a bit confused with various pieces of advice. ) I run the conventional, and i change it when required. VISCOSITY (D445) Please note, these are typical performance indicators and can change without notice. However the 10W-40 is a thinner oil than the SAE 15W-40 at cold temperatures. @eviepenn wrote: Hi Cadillac Jim, I am a first time responder to this web site and I do not even know if I have the right place. Many tines the dealer can be way off, just depends which guy you get. the fella in the parts room reccommended 25w-40. I have always used 10w40 (not 10w30) as that is what the Holden dealer used, just changed to a local workshop who services and mods lots of LS1's and they use 15w40, the 15w40 seems fine in mine, no noises and doesn't use any oil between 5k services. More relevant to Landys is the GL-4 capability, i. 4l v6, but I heard that using 10w-30 instead is better in the cold? I'm unsure about it and don't know where I can find the information; any help on the matter is greatly appreciated. Currently using Mobil 15w40 mineral oil, plano ko try ang 10w30 either mineral or synthetic sa susunod na PMS Marami din akong nabasa na hindi na bagay ang synthetic sa old engine kasi baka mag leak . If you're in the desert a lot, using 15W40 won't hurt anything, but the factory-fill is 10W30. But I am using api sg oil though. 7l engine, I 10W30 is fine. My Dodge Ram 1500 has 215,000 miles on the engine. No problem with using 10w-30 very very smooth on startup and full tilt operation. - Mark 10W30 vs. 02 worth. Check out our 15W-40 products. Can i just use regular 15w40 oil for suspension I have a lot of 15w40 motor oil, and bicycle suspension oil for Rockshox is too expensive. Shell Rotella T is a line of heavy duty engine lubrication products produced by Royal Dutch 4 Use in turbocharged cars; 5 References; 6 External links Multigrade conventional oil—in SAE 10W-30 and 15W-40 viscosity ranges 5W- 40 and 15w-40 Synthetic both list the JASO MA/MA 2 standard; this information can be  Would 5W-40 be less viscous compared to 15W-40 diesel engine oil for cold This will be put to use on fleet in a tropical weather country with an average of  Volvo/Mack does not allow the use of any API FA-4 diesel engine oils in any of their 400 XSP SAE 5W-40, Delo 400 XLE 15W-40, Delo 400 XLE SAE 10W-30, . The last number is what it is at 212 degrees Fahrenheit so 10w40 might be better for a all year round situation. Conclusion All the oils, the 5w30, 10w30, 10w40, and 0w30 have good weight for the engine when cold, low enough to get the oil moving through the engine faster. if they say to use 10w30 by all means use it and tell your dealer to use it also. Was replaced at about 7 @eviepenn wrote: Hi Cadillac Jim, I am a first time responder to this web site and I do not even know if I have the right place. Jul 18, 2014 · It usually calls for 15w 40 OR 10w30 depending on ambient temperatures and maybe with a few specific standards to be met. (The larger the number the higher the viscosity. It can be used  15W-40 CK-4. Zic a+ is a killer oil for a mehran viscosity wise too. Jun 05, 2018 · The lower the number before W, thinner is the oil viscosity. So far, I don't see any problems if we use the T5 on our bikes. That's what's specified for my skid steer. Normally most Briggs and Stratton and Tecumseh engines use the SAE30 oil. manual says use syn. 5 SOHC D15B1 he clames his past engine he uses 10w-30 mobile oil in it and for whatever reason he didnt like how it ran. So the use of 5W-20 fits perfectly into their global corporate image. GTX,i suggest you start doing it yourself. Should you be faced with that kind of "extreme" cold you can just let your car warm up for 30 to 60 seconds before you start rolling. It does burn oil but not too bad. COnsidering 15W40 is a mercedes canadian spec, it amazes me that other places in canada that are much colder must be using the same oil and surprised they havn't switched to the softer 10W40. Since 10W-30 is thinner than 15W-40, its film strength can be weaker and it can be more prone to oxidation  21 Feb 2006 Lately I have been using Motorcraft 15W-40 gasoline/diesel rated oil. Apr 03, 2012 · The problem with a 5w40 on a decade old engine is that the fine tolerances you are talking about are now all a lot less fine than they used to be, so as a result an oil with a slightly thicker cold grade will allow you to generate pressure in fewer turns of the crank when cold starting. If the engine is on its last legs, then a thicker oil may prevent it drinking it, but otherwise stick with the recommended oil. Just by making that change by moving from 15W40 to 10W30 CK oil right now. Based on the information on this site and being a Canadian car I planned on using with the Mobil 1 0W40 for my next oil change. The synthetic 10W-40 flows easily and still maintains enough viscosity to protect piston skirts and bearings when it gets hot. I can always find Mobil1 0W40 at most any auto parts store, and Castrol Syntec 5W40 at Autozone and sometimes Pepboys. I'm thinking that the synthetic 10W30 may be good for my small engines. Jan 26, 2019 · Two of the most common viscosities used in modern car engines are 10w30 and 10w40. it is awfully hot in GA. If it's for a seperate hyd. Whats the price of a set of injectors yours will like a 5w40, i use Amsoil 5w40 with a by-pass only $31. Mar 08, 2013 · The 5 litres is texaco Halvoline and the 2 litres is Catrol magnatec. I'm sure the product quality of the 5W-20's is fine. They use advanced 10w for hydro. it has a soot sensor, an intake throttle valve, and a all in one turbo. 15W-40 is probably adequate for 99% of UK use. The castrol is left over from the last oil change - if i'd thought about it i would have bought 5 litres of 10w40. It specifically states that 10W-30 SHOULD be used. My decision for switching over to 5w would be lubrication upon startup. But you can read for hours on the debate if you like. It would make more sence to me just to buy one weight of oil. Likewise synthetic vs. 15w-50 oil? I read on the back of the Mobil 1 quart of synthetic 15w-50 that is better for turbo and supercharged cars. The wider the temp range, the more you're going to pay, so a 5W-50 is serious money compared with say 15w-40. I am planning to make a partial overhaul of my 4G63 Mitsubishi L3 van gasoline engine. Jan 02, 2013 · By the way, this “10W-30” fluid is still in service. The 5W and 10W defines how the oil will flow at 0 degrees. Ive gone through countless Threads on here, there's tons on Oil. It is recommended for use in vehicles where SAE 10W-30 SAE 10W-40 grade engine oils were originally recommended by the manufacturer. Oil generally is such of a non-issue now a days, it really does not matter for as long as it meets the API standard of the car's date. Same brand, same add pack. I was hell bent on the X758 as I am a big diesel fan, but 2 local dealers are telling me the X758's "pitfalls" are: - Loud at idle (apparently way Hello, I have been using SN 0W-20 grade engine oil on my Prius 2013 with 75K kilometers on it. It gets 45 degrees C here and not colder than 3 degrees C. I'm currently using Royal Purple 10w30 full synthetic. Feb 09, 2014 · 10w30 is a upgrade, I use syn. You take two percent fuel company. This chart could be useful to estimate the polymer treat rate in oil formulation matching a SAE grade (see Table 3). Mostly I blend 5-30 with 10-30. Just my . As you can see, there is a bit of a difference between ISO 68 and SAE 30. The 15w-40 oils are predominantly used by larger vehicles, such as the pickups, etc. As previously mentioned, the only difference between 10w30 and 10w40 oil is their thickness at engine operating (hot) temperatures. Yeap i use Mobil 1 10w-30 what it says exactly on the oil cap and must say it's very good oil (albeit abit expensive). This additional resistance caused by the oil can increase fuel consumption and reduce fuel efficiency. Such as why some folks run 0w or 5w something in their vehicles in the winter. Go down to the pits at the V8 Super Cars & ask the top race team mechanics what viscosity oil they are using, you'll be lucky to find any higher than 10W30. Sep 16, 2008 · Best Answer: The base viscosity of 10W-40 oil is indicated by the 10, so it is a thicker oil than the 5W-30. Allways use the best oil you can afford. Since it is an old model engine , i want to replace it with Shell Rotella 15w-40 diesel engine oil. My manual (2013) clearly states using 5w40 synthetic for severe duty service, which is described as extensive idling, lots if low speed driving, and towing heavy loads. Jun 01, 2018 · Using 10w40 oil in the summer will help the oil stick to internal components in high temperatures, avoiding the wear and tear from metal-to-metal contact between moving parts. 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. GTX Diesel is a 15W-40 diesel engine oil formulated to help extend engine life. Nulon lube guide recommends 15W40 or 20W50. I know that 15W40 is a heavier weight oil than 10W30. Hem; Produkter; Supported Racers; Kontakta Oss Added one qt of 10w40 oil instead of 10w30did I hurt anything 5 Answers. I suggest you use a Synthetic oil on this air cooled 4 cycle engine. Gassers can take 15w-40 or other grades, but diesel require 15w-40 or a good synthetic 10w-30, 10w-40, or 20w-50 oils such as Mobil1 with a "C" rating. My Dodge Ram with the Cummins is a prime example. If you dont run a catalytic converter. Aug 31, 2010 · I've never seen 15W-40 recommended for hydraulic oil. The second number in the code means how well can the oil be pumped when heated 10w-30 VS. I run 10w40 in my Jeep Cherokee that is supposed to take 10w30 with no problems. This was coming from a Mack engine guy at Hagerstown. In general, 5w30 is a great multigrade oil designed to meet the demands of almost any temperature in both warm and cold climates. Both oils are rated for use in winter (the W), and the last number is their maximum cold-weather viscosity - again the 10W-40 is thicker, with a viscosity of 40 versus 30. Using a higher viscosity oil may not be beneficial it you can easily differentiate between the 10w30 vs. Sep 27, 2012 · If it is for a lawn mower, most of them take either 10w30 or SAE 30. Moreover, many of us know that thinner oil is easy to ignite even at the temperature below negatives. etc. 28 Mar 2018 It is thicker and will take longer to get to the crucial parts of your engine, therefore more wear over time. Now, there is something to be considered if 15W-40 is not a viscosity spectrum recommended for your vehicle, but I doubt that. May 13, 2013 · The most common grade of automotive oil in use today is the 5W/30, which is a mineral oil refined with VI additives that leave it reading as an SAE 5W viscosity when cold, yet an SAE 30W when hot (210F). If it's not plugged in, a diesel engine isn't going to start at -20, regardless of the viscosity of the oil. I have a Kohler 27 HP runs on 15w-40 over 1000 hrs and going strong. Nov 13, 2017 · You can use a higher grade engine oil (higher ‘y’) than the recommended if your kind of riding includes more ‘frying’ up of the engine. Make sure everything you use is Diesel  23 Jun 2014 Nulon recommend a 15W40 and Chief Oil recommend a 10W30. e. The Citycom runs smoothest and most effeciently with Mobil 1 extended performance 10w30. Oct 18, 2008 · Should be SAE 5W/30 or SAE 10W/30 for moderate climate for petrol engine. I would recommend Rotella oils (15W40 conventional, or the 5W40 synthetic. The book gives you a chart of everything you can use. I agree with Jason that when you have high miles on your car 10w-30 is better even 10w-40. The questions of whether you should use motorcycle vs. 5w30 will run cooler and circulate faster than 15w40 but 5w30 will make the bearings run cooler Check To See That The Oil Jugs You Buy Have The Exact Amount Of Oil In Them And Have An Inner Seal Under The Cap. 9tdi 2005 n93 and i am using 15w40 at the moment. Get this, even Harley Davidson states "when in a pinch to use a good diesel oil until you can get the genuine stuff" So the Chevron Delo LE 15w40 went into the scooter and now the price is up to $14. 5w30 is a great multigrade oil for use in low starting temperatures as well as high summer temperatures. But we were told if you ever changed to 15W40 , dont go back to 10W30. A weight of 30 when hot is very common, and ideal for many engines -- but if you're having problems with engine wear or leaks, the 10W40 oil will provide more protection for a running engine, and escape through leaks more slowly. if you use a thinner oil than specified, you risk having too much bearing clearance, which can lead to all kinds of bad things. SERVO PRIDE, 10W, 20, 30, 40, 50, MG 10W-30, MG 20W-40 · Download PDF SERVO SUPERIOR XEE 10W-30, 10W-40, 15W-40, 20W-50 · Download PDF. 3. If your air compressor is used on a frequent basis or for commercial duty, motor oil is not your best option as a replacement lubricant. Keep in mind what the numbers mean though. It stated that only straight 30 weight should be used. As far as I know, 10W30 is not used in european car engines since 1980s, so we have plenty of 5w30, 0w30 and 5w40 oils - and next to no 10W30 available. 5W-30 oil can be used at any temperature range. However 10W-30 for a gas engine is quite common for hydraulic systems. High viscosity oils, like 10w30, are thicker which creates more drag on the engine parts and reduces engine performance. Search. Therefore in cold temperatures we can state that the SAE 10W-40 oil is better than the SAE 15W-40 oil. in my case, my motor is a EJ22T and has 107k, whereas you might not want to use an oil this thick on a newer wrx with alot less miles. Re: Run 15W-40 or 10W-30 Since I started using Shell Rotella 15W40 in my diesel engines I haven't bothered to switch in winter, even though it gets down to -40 here. While most Kohler engines use 10w30. However, I wonder what May 12, 2017 · I went with full synthetic 15w-40 Schaeffer oil, I've been using it in everything I own from day one up to this point. 10w40 oils typically don't have friction modifiers that will harm a wet clutch, but always keep an eye out for the "energy conserving" label. If you are running 10w-30, use 10w-40 or - if already using 10w-40 switch to 15w-40 or 20w-50. The xxW bit refers to low temperature properties (the lower the better for staying fluid). our 2007 Camry LE burns a quart of oil every 1000 miles, There's no oil leakage on motor or ground and it doesn't smoke. Now, I have a new JD L120 with a Briggs and Stratton 20 HP V-Twin. Mar 05, 2010 · Could i use this to top up my oil for now. Than you can use 0w-30, 5w-30,10w-30, 0w-40, 5w-40, 10w40, hence w50 grades. and large fleets are now using 10W-30 HDEO (Power Systems Research, 10W -30 oils can perform as well, and better than industry-standard 15W-40 oils. I change my oil every 8k. The shop says it faulty sensors but some of us know-it-all truck drivers think it may have something to do with using a lower viscosity oil. The 10 or 15w means what the viscosity is at during winter or cold weather. These codes are usually found on oil containers for the purpose of easy identification and classification. It lacks the sticky additive found in bar oil that keeps the oil in the bar groove and chain. any opinions? which would u use? same price, mercury branded Hey all, I've been using 5w-30 in the 3. Replied by JBamin on topic Can I use 5W30 in place of 10w30 motor oil? yes it is ok, the 30 is what matters the most. 7? The manual calls for 5w 20, but doesnt that oil lead to quicker breakdown of the engine? I'd rather use the best oil i can get my hands on but dont want to mess the rig up. Yes, diesel engine oil is higher quality that gasoline oil, the 40w spec will make no difference and is better in hotter climates. Site traffic information and cookies Dec 27, 2013 · A 10W will increase engine wear at cold start, which is when the majority of engine wear occurs. What is the repercussions of not using the correct oil. what is the stock weight of the oil in an 98 toyota camery 1 Answer is it 10w30 or 10w40. In winter weather: the 0w will flow like a 0w, the 5W will flow like a 5w, and a 10w will flow like a 10W - only until the engine warms up (choose what's best for you depending upon your winter climate). For diesel engine, oil should be SAE 5W/30 Semi Synthetic for cold climate & Semi Synthetic 10W/30 or 15W/40 for moderate climate. Being in Phoenix, I don't think it will be a problem using it over the 2w-50 recomended in my owners manual. I live in really hot climate so 10w-40 is not bad on the engine. I have used a 0W20 in a WR-X turbo, a Volvo 740 Turbo and a HSV 5. i havent heard any major issues yet but again they are very new, deleted or stock. They are not the same oil. the first number is more based on operating temps when you look into it. i know you guys Aug 09, 2005 · Diesels must have oil with a "C" in the rating (for "Compression" ignition), and that is what you get with 15w-40. Using these two purely as examples Pennzoil 5W-30 might have significantly higher viscosity at operating temp than say Mobil Drive Clean 5000 5W-30, both Mar 05, 2010 · Can i use 15w40 oil to top up my car when the manufacturer recommends 10W40? Unfortunately money is pretty tight at least for the next few weeks and my cars oil is low. Aug 29, 2011 · It is a common practice to do this. up to a point - this can be compensated for by using a thicker engine oil. 16 Feb 2008 I'm a little leary about switching from 10w-30 to 15w-40 in a 14 thousand mile engine, The only thing I can think of is they put the wrong oil in. They will all be correctly described as fulfilling the viscosity range of that grade, but there is quite a bit of tolerance allowed. its done about 46k miles and is about 12years old. But there is no long term, real world proof that it will protect an engine over the long haul. what engine oil to use? 15W-50 or 10W-30 At some point during the month of August the Roadfly forums are going to become archive only. And I don't know if the oil I am currently using is synthetic or 505. Therefore, if the temperature is below zeros, use 5w20 oil. It's part of their core business values. 75 isn't to much at todays prices for good oil in my book, not saying something cheaper wouldn't work. Here is the Mack service bulletin on the oil pressure issue. gas engines usually call for 10w30 or newer engines often call for 5w20. That probably would have been fine but I also started using it to top off every 1000 miles or so. Username or Email But there are benefits that you can get by moving to a lighter viscosity oil, in fact, 10W30 is the primary viscosity great recommended by most your OEMs for late model vehicles. any opinions? which would u use? same price, mercury branded The manual for my old MTD with a Briggs and Stratton 16 HP V-Twin strictly stated NOT to use 10W-30 because it could become too thin during high temperatures. The car is a 2002 Volvo s40 (volvo engine not Mitsubishi GDI) and the manual recommends using 10W40 not 15 Answer Save When a motorcycle or any other engine for that matter uses oil, the long chain molecules that get sheared from use change the upper number (40 in my example) so that the oil will tend to get thinner and thinner with use. 5L RUN005. According to the subscribers mechanic, the subscriber should see an increase of at least 2 mpg ron,i would contact mahindra to see if that is a misprint,i have been a diesel mechanic for 25 years and have never seen anything but 15w40 used,but,they may have a reason to use 10w30 so i would check with them(not the dealer). I think mercedes is using the 15W40 oil just for longer intervals. can i use 15w40 instead of 10w30