Talk:Motor oil - Knowledge

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or becoming noisy even at three and four hundred thousand miles were as those who are trying t be cheap and wait for to eight thousand far more often run have internal engine noise due to play in the bearings. And are their cars typically burn oil run out and throw rods. Now this is just my experience but I have seen no founding for the assertions made on the page. I could accept what is said if it were properly sighted by several verifiable sources. Also while the automotive industry my push 3000 mile oil changes the cost of an oil change at 35 dollars is very little compared to the cost of engine replacement. used engine cost being (for "low mileage 30-40k" pre removed) 1500-8000 depending on vehicle atypical Toyota Camry would be about 1500 and labor for a Toyota Camry would be about 15 hours at 75$ plus an hour this will only increase in cost as the size of the engine increases v6 v8 and on mini vans it would be much more than 15 hours. So while it might be a little premature it does no harm and it does not save you anything to change the oil less often.

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providing better engine protection, performance, and better flow in cold starts than petroleum-based motor oil. These "tests" simply test the parameters of the oil itself and not really how well they work. Synthetics may offer little or no real-world benefit, as witnessed by the millions and millions of cars that lead long lives on plain motor oil. Generally, other components will fail long before the engine dies of an oil-related failure. Lab analysis of the wear metals contained in the used oil show identical or even lower wear with plain dino oils. Consumer Reports attempted to demonstrate the conventional vs synthetic advantages, but chose taxi cabs as a test-bed, which is actually a non-demanding application since the oil stays hot all the time, easily driving off accumulated water and fuels. This "test" in low-performance engines over a less-demanding driving cycle technically proved little about the subject.

1819:, the little blurb that supposed to summarize the page so you know you're clicking on the right article reads "Motor oil: when people are messing with electricity, they can die". It only appears when editing, however; when you turn on the little "preview tag" function, that shows up as the proper text. I'm not sure how to edit either one of these, but I assume it can be done. It's not as bad as vandalism on a "public" place, but they have those little text blurbs next to the article name for a good reason, and that reason is not to screw around. If someone who knows how to would fix this, I'd appreciate it. I'd also love to know how it's done so I can do it myself next time, if you have a second to explain it to me. 2115:

fit into this scheme? How does oil re-refining "complete the circular ecosystem system", and does that actually mean something? There is nothing futuristic or inexpensive about "An inexpensive interval (5-7,000kl) oil change at your local Auto store". Most cars specify 10 - 15,000 km intervals. There is nothing stopping the changing of oil without changing the filter with current techniques. The main difference, hidden in all the jargon, and not directly mentioned or explained, is (I think) that they suck the old oil out by inserting a tube into the dipstick tube. Good idea, but not exactly earth-shattering, and as I said above, it has no place in an article about motor oil as a substance.

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don't post information that is not backed up or cited from a reputable source, or so obviously untrue (I happen to know that transmission fluid is indeed a lubricant, as it was designed to be). Go to a forum or something of that nature to determine what you should do. No one would call up Encyclopedia Britannica and ask them what to do about your engine oil problem; this is not the place for such discussion. Also, please sign your posts. Behavior such as this is what hurts the credibility of Knowledge.

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car has a DPF the OEM will define which oil specification to look for (perhaps ACEA C3, VW 507 00, BMW Longlife 04 etc). The SAPS limits are built into those specifications so you can choose one with confidence without having to think about what sulphated ash is or why it is important. Here is not the place to walk through all the specifications and lay out what they all require in terms of SAPS, HTHS or the myriad other important requirements.

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re-establishing themselves, TBN converging, and filters becoming more efficient. Most manufacturers recommend oil change intervals of 6,000 miles or more for modern cars. In Europe, by contrast, where the influence of oil companies has been much less, oil is typically changed only at a major service interval, between 10,000 and 15,000 miles for a modern car. For convenience, the oil filter is usually also replaced at the time the oil is changed.

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the cheapest oil possible or something a little bit better. I heard that it makes no difference when you've got an old car but then it says on the container the cheapest oil comes in that it's for cars with 100,000+ miles on the clock, so I figured I'd be better off with the slightly better stuff. You know, on the cheapest oil, it's described as "motor oil" whereas the slightly better stuff is described as "petrol oil".

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who may want to compile statistics of the motor oils. It contains only raw data about certain oils nothing else. Also it is probably made available against the intent of its author who starts the document with the following: "Thank you for your purchase of “No More Oil Change s: The Motor Oil Bible”. As a special bonus for your purchase, you've been given access to this technical specification comparison document.".

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long anyway) had to be changed for the season. An oil with a different number was used, to achieve similar viscosities at different temperatures, and to allow the engine to start in the winter. I think (but I'm not sure) that the thin winter oils of 20 grade or so might have been labelled as 20W to emphasise that they were a Winter oil, compared to Summer 50 grade.

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explanation (spam) I don't agree with. I definitely don't want to add it again, because I don't want to violate any rules of this site. But, if someone who considers him/herself a lubricant specialist and has the appropriate privileges to add the link again and agrees with me that this site deserves a link here should do it.

996:• Likewise, for "Single Grade Oils" I could not understand if a lower SAE number entails a lower temperature and a higher viscosity, or what. There is no clear association that I could discern. I had to go somewhere else for clarification. I understood that a denser oil freezes sooner, but that's about it. Daniel. 1606:

Later developments in oils and engines (late 1980s?) allowed thinner oils in general. These thin oils resisted breaking down as well as old heavier oils did, so that a lighter oil could now be used (with obvious benefits of fuel saving from an easier-turning engine), without the oil failing too soon.

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Old, non-multigrade oils, were graded by their viscosity and given a single number. They had the same standard number all year, but their actual viscosity changed with temperature. This meant that in the Winter they'd be too thick and it was difficult to start the engine. So oil (which didn't last so

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The current external links do require some attention though. First of all the link to the ACEA European Oil Sequences is outdated. The current version should be 2008 not 2007. The link called 'A PDF table of motor oil technical specifications' is very far from being useful to anyone except to someone

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When a car manufacturer specified 10w-40 motor oil for its particular model of car. Can 5w-50 be used instead? The logic of it is 5w-50 supposed to be "better" than 10w-40 as it keeps its viscosity at higher temperature (the number 50) and has a "better" low temperature starting property (the number

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Their is a part on the page that says that more wear occurs in the engine between 1000 and 2000 miles. I find this to be completely erroneous for my experiences as a mechanic is that customers who always change their oil at three thousand never have internal engine problems like bearings wearing out

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What is an "enhanced hydrodynamic circuit", and where is it applied? It is patented, so it is not a trade secret. How could it automatically summon bulk oil pickup? Is it really that difficult for the mechanic to call them him/herself when the drum is full? Where do solar charged lithium batteries

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Making the viscosity more stable also avoided the problem of oils becoming too thin when hot, and allowing an oil of a thinner grade to be used (because it won't lose too much viscosity when hot). So over 40 years of changing oil, I've gone from using 20W/50 to 5W/30, which gives less resistance to

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So pre-multigrade oils, they were characterised with a viscosity index (one number, maybe 50) and had a useful viscosity when hot. But when it's cold, it's too thick. And in the winter, you have to take it right out and put a thinner grade winter oil in, or else you'll never get the engine started.

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The solution was multigrade oils, which appeared for domestic retail in the 1960s. These have complicated chemistry so that they maintain a similar viscosity across a wide temperature range. In a way they're less "multigrade" and more "un-grade". One of these oils will work equally well in Winter or

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This article has quite a few issues; a major one being the long ramblings about non-motor oils and uses in other types of motors. This is layman's thinking. A motor oil is to be in any type of internal combustion engine whether gasoline or diesel, whether 4-cycle or 2-cycle. I already reduced the

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Synthetic lubricants are designed for "long life" extended drain intervals, but most users rarely run them long enough to gain a cost-effective return. If a "synthetic" oil costs 2 to 3 times as much as a conventional oil, it would have to be used for 2 to 3 times longer than a conventional oil just

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article was already somewhat long when a new "How to change the oil in your car" section was recently added, making it even longer (about 36K). Even before the addition of this new section, the "Maintenance" section provided an overview about motor oil replacement in a vehicle in order to provide a

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The section on grade needs some beefing up. The line about gear oils seems to contradict the line about Kinematic viscosity regarding the relationship between flow rate and viscosity number. If the gear oil rating is different, it should be explained so the reader understands the difference between

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Today, synthetic lubricants are available for use in modern automobiles on nearly all lubricated components, allegedly with superior performance and longevity as compared to non-synthetic alternatives. Some tests have shown that fully synthetic oil is superior to conventional oil in many respects,

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With respect, no it isn't. It is important for oil formulators to know and to tailor formulations to meet OEM and industry specifications within the chemical limits that they define, but the public don't need to know nor care about SAPS so long as they use an appropriately-specified oil. If your

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So everyone I know and people on Yahoo! Answers seem to be under the impression that W means "weight" and not "winter." Example: 10W-40 oil means that it's for use in Winter? Given the vague description given in this article, that seems to be the case. Could someone give a better reason for this,

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The comment "Synthetic lubricants are designed for "long life" extended drain intervals" is not a universally true; some are designed for (and more are advertised/marketed as if they were designed for) Motor Racing in which short drain intervals, but relatively high instantaneous loadings, are the

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Agree. I have rewritten that part so as not to lead people to just dump their oil out on the ground. Also maybe we should add a section about proper disposal of all types of motor oil. I looked around a bit on the recycling articles for a page to link to, but i think this is something that just

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The API/SAE designation for multi-grade oils includes two grade numbers; for example, 10W-30 designates a common multi-grade oil. The first number associated with the W (again 'W' is for Winter, not Weight) is not rated at any single temperature. The "10W" means that this oil can be pumped by your

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Something that I think might be interesting for the article would be information about the different types of oil you can buy and whether or not they'll actually affect your car that much. I mean, I've got a 1994 Ford Fiesta (classic), done about 70,000 miles and I'm wondering whether I should buy

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To sell the multigrade oils, to a market that had previously been used to buying two grades of oil, they were labelled as "multi-grade". Rather than emphasising what they really did (maintaining the same viscosity across different temperatures) they were sold in a more recognisable way as "an oil

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So concluding the things I wanted to say I feel that the site I linked in is relevant, is not in violation of any copyright, it does not sell anything and is closely related to the subject of the article. I am fully aware that Knowledge is not a directory service and just because a site exists it

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Wow - is there an engineer in the house? I'm sorry, I'm not usually slanderous in Knowledge - but come on - does anyone on this page know what he or she is talking about? "...transmission fluid is not designed as a lubricant..."? Please people - this is not a forum, this is an article. Please

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That is an erroneous statement. Used motor oil (traditional, synthetic, or biodegradable) contains heavy metals and other contaminants due to the combustion and wear processes. Thus, it cannot be directly disposed of as if it were an innocuous substance. In my opinion, the quoted claim above

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The "Future" section, up to the paragraph that describes treatment of polyethylene, reads like an advertisement, or a promotional brochure, and I daresay that is what it is. It does not really contain any information about motor oil as such. It is mainly a collection of incoherent buzzwords,

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which I think would deserve a link under the External links section. In my opinion it is the single most comprehensive site on the web about oil specifications. There is no other free source where you could find all this information in one place. Even though I added it, it was removed with an

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oil. It no longer has any scientific basis, but it is still being promoted by certain entities, most notably the oil change industry in the United States (including car dealerships). Indeed, studies have shown more wear occurs with fresher (1000-2000 mile) oil. This is attributed to additives

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For example, most people in the United States believe that a common oil change frequency should be every 3000 miles or every 3 months, whichever comes sooner. This 3000 mile oil change interval has been relentlessly promoted by oil changing companies for decades. It had a scientific basis when

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As far as I can remember I've always heard the substance called "engine oil" rather than "motor oil". It seems to me that "motor oil" is the American term, while "engine oil" is the British term, which happens also to be used by the API. If this is the case, it's probably worth mentioning the

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Oil additive technology was introduced that allowed oils to thin more slowly (i.e. to retain a higher viscosity index); this allowed selection of a thinner oil to start with, e.g. "SAE 15W-30", a product that acts like an SAE 15 at cold temperatures (15W for winter) and like an SAE 30 at

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The article looks pretty good now. However, it has reached 30 kb in length, which is considered a little long by Knowledge standards. Does anybody think the "Common Points of Discussion" section at the end is really necessary or unnecessary in this article?

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siendo atendido por sus propios dueños. Ernesto Montenegro es Ingeniero Mecanico de la Pontificia Universidad Catolica de Varlaraiso y es In geniero en Mecanica Automotriz de La Universidad Tecnologicade Chie. El junto a su padre han formado Motor Oil Ltda.

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than that of a cold 20W (the heat makes enough difference that it's still the dominant factor), but more (good) than a 20W warmed to operating temperature. And best of all, it reduces the viscosity change enough that you can leave the same oil in year

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Kinematic viscosity is graded by measuring the time it takes for a standard amount of oil to flow through a standard orifice at standard temperatures. The longer it takes, the higher the viscosity and thus the higher the SAE code. Larger numbers are

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I don't think whoever did the rollback actually took the trouble to analyse the changes and read the new laid out section thoroughly before rollingback and commenting "reverted unsubstantiated mass content removal that should be discussed first."

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basic understanding of how it's done. This new section includes a detailed step-by-step practical procedure on how to change the oil in one's vehicle, including such advice as wearing old jeans, not screwing in a new oil filter too tight, etc.

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that electric motors normally are air cooled, and lubricate their bearings using grease and not motor oil. (Unless they're used as liquid pumps, where the pumped media will carry away heat. This is also the case in large-scale generators.) --

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doesn't deserve a link, but as a lubricant professional I strongly feel that if only a few sites deserves a link there, this one should be among them. If other editors have a different opinion I would be more than happy to discuss it.

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This wasn't ideal. It required seasonal oil changes. It also meant that a winter oil, once it reached the engine's operating temperature (which should be constant across the year, maintained by the thermostat) would now be too

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Since the above initial comment, many links have been added and many other edits made to this article. A few new sections and some more information have also been added. The article is in significantly better shape now.

2049:. So a 1960s one might pass the summer standard for a 50 weight oil, and the winter standard as if it were a 20W. When cold, it will have the viscosity of a 20W and when hot it will have the viscosity of a 50 - which is 752:

I've again disambiguated this page so that it doesn't directly link to Motors. This article is about internal combustion engines with only one sentence mentioning electric generators. A bit of research confirms

854:, Knowledge articles are not Instruction Manuals (how-to guides). Knowledge is not the place for detailed step-by-step procedures such as the "How to change the oil in your car" section just added. 2017:

Since SAE 30 is thicker than SAE 15, does this mean that a SAE 15W-30 oil will be thinner at cold temperatures but will be thicker (more viscous) at high temperatures? This seems counterintuitive. -

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I've deleted most of the "how to" stuff, and merely placed the WikiHow link at the bottom. I do think the "reason" why you need to change engine oil is still valid, hence why I left it in. --

2252: 703:. Either the science or miscellany section will be suitable. I'm not an expert on this issue, but I imagine that you will need to drain it, transmission fluid is not designed as a lubricant 1102:

The term "dino oil" is not defined in the article, not mentioning the fact that this is not really a term, but just a teenager's slang. What is it doing in the Knowledge article?

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at higher temperatures, not higher ! If it takes 10 seconds for some amount of oil to flow through a standard orifice at 0 degrees, it must take less, not more at 100 degrees.

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Moving paragraphs will usually make the changes (in history) look substantial by virtue of entire moved or reordered paragraphes being highlighted in red in "View History".

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briefly mentioning but not explaining any of them. For those two reasons alone, it does not belong in Knowledge, however, if more reasons for deletion are required...

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engine as well as a single-grade SAE 10 oil can be pumped. "5W" can be pumped at a lower temperature than "10W". "0W" can be pumped at a lower temperature than "5W"

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https://web.archive.org/web/20060912112231/http://www.astmtmc.cmu.edu/docs/gas/sequenceiii/procedure_and_ils/IIIG/Sequence%20IIIG%20Research%20Report%2002-24-04.pdf

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We have no mention of "sulphated ash, phosphorus and sulphur" (SAPS) which is an essential property/classification for selecting the correct oil for engines with

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According to the article, 10W-30 means viscosity 10 units at 0 degrees Celsius, 30 units at 100 degrees Celsius. This does not make sense. The viscosity gets

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Having read the article on Motor Oil, it is quite interesting but doesn't help much. If anyone can help me with the following, it will be much appreciated.

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Article says: -- S for "service" (typical passenger cars and light trucks using gasoline engines), and C for "commercial" (typical diesel equipment --.

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The image at the top of the page should not have a container of a brand name in it. Propose it be replaced with generic image. Undo advertisement. --

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As stated on API's own website, S does in fact indicate Service, and C Commercial. I agree spark and compression make more sense, but here it is:

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do. These still need thick oils, so that they can build up the same pressure (to support bearing load) across a thicker oil film in a great gap.

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There should be a numerical indication of the range of viscosities for engine oils generally, and perhaps for selected important 'grades'. —DIV (

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You should draine it and refill it with proper engin oil as soon as posiblie. The atf fluid is far better then nothing but is far from ideal.

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I find the below text to be rather confusing. Is that supposed to mean the oil can be pumped at a lower temp on startup or at operating temp?

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Can someone please tell me what will happen? Do I have to get it drained? I already drove about 10 miles, have I cause permanent damage?

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an external link leading to it. Of course, when the procedure has been moved to Wikihowto, it can have an external link to the Knowledge

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The benefit of this new form of motor oil is the ability to transform the oil back into soil with no negative environmental effects.

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When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

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alternative name in the lead section. The term "engine oil" is also used a couple of times outside this section without definition.

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A 20W-50 might become a 10W-40, or even a 5W-40. Thin racing oils had been used for a long time, but they needed frequent changes.

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I've read through this, and while it's a fascinating dissertation into the uses and history of lubrication something is missing.

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Does not the 'S' stand for 'spark' ignition and the 'C' for 'compression' ignition? Sounds more likely than service/commercial.

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Go for it! By the way, it's best form to sign your posts, by typing four tildes ~~~~ -- this turns into your name and time:

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http://www.astmtmc.cmu.edu/docs/gas/sequenceiii/procedure_and_ils/IIIG/Sequence%20IIIG%20Research%20Report%2002-24-04.pdf

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Motor oil used for vehicle engines is commonly called engine oil in American Petroleum Institute (API) documentation.

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This how-to procedure section has since been removed and is now available only in previous revisions under history.

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more viscous when hot, but it will lose less viscosity, thus behaving as if it had been a heavier grade when cold.

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to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the

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I just removed the brand name and re-inserted the picture. This article does not have many pictures in it.

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section on ATF and gear oils, because it's unrelated to this article, so only small mention is warranted. --

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Most motor oils are made from a heavier, thicker petroleum hydrocarbon base stock derived from crude oil,

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Does anyone have access to the J300 tables for winter and summer grades? It would be interesting to see.

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Does anyone know what API Standard number defines the service categories for Gasoline and Diesel engines?

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If you have discovered URLs which were erroneously considered dead by the bot, you can report them with

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and a more specific description, and perhaps a source if it's not too big of an inconvenience? Thanks!

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turning the engine, so saves fuel. I also don't have as many oil coolers as I used to find essential.

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There are no links in this article. I am new to this, but may attempt to cross reference key words.

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articles on environment-related topics, as well as to ensure that environment articles are properly

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Motor Oil es una empresa dedicada a la comercialización de Aceites y Lubricantes el pais de Chile.

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on 26 March 2013. For the contribution history and old versions of the redirected page, please see

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on Knowledge. If you would like to participate, please visit the project page, where you can join

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on Knowledge. If you would like to participate, please visit the project page, where you can join

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on Knowledge. If you would like to participate, please visit the project page, where you can join

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An ideal oil has consistent viscosity at all temperatures. We don't want the viscosity to change.

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Wrongly, as WD40 is not a lubricant. Its nearly 100% white spirit with just a little mineral oil

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I believe "The Founders Intent" has been over exuberant with the rollback on 20th October 2010.

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before doing mass systematic removals. This message is updated dynamically through the template

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I reinserted the branded bottle, they're wellknown and it can't be considered an advertisement.

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This article needs help with basic grammar, spelling, proper headings, and encyclopedic tone. --

683:==Question== I put a quart of transmission fluid in my engine last night instead of engine oil! 283: 262: 1925: 911:" An external link to this WikiHow procedure has been placed in the "Maintenance" section. 627:

added a new "Synthetic Oil and Synthetic Blend" section and new a "Non-vehicle uses" section.

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I suggest include information about oil change shops . --Nukeless 12:29, 22 August 2008 (UTC)

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I removed the following text for lack of references or citations. Content must be verifiable.

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http://www.api.org/certifications/engineoil/categories/upload/MOTOR_OIL_GUIDE_2010_120210.pdf

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Some applications make use of lighter products such as WD-40, when a lighter oil is desired

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or fuel, often in a gasoline: oil ratio of 50:1, and burned in use along with the gasoline.

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AFAICT nowhere does it say whether an SAE30 oil is thicker or thinner than and SAE40 one.

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If you found an error with any archives or the URLs themselves, you can fix them with

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If anyone finds it worthy of being linked to from the article page then please do so.

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often in a gasoline: oil ratio of 50:1, and carburated along with the gasoline.wdl

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And that winter oil will still be thick to start, and thinner than ideal once warm.

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You are more likely to get an answer to any questions you have by posting on the

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In 50 words or less, with a link, why does W mean "winter" and not "weight."

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Both have been written offline. I just haven't gotten to putting them in yet.

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Old car engines (1950s) use whitemetal bearings with larger clearances than

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I just noticed that while editing in beta, when you go to create a link to

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Knowledge:Redirects for discussion/Log/2024 April 18 § Long life motor oil

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Yes (as literally written). But not in the way you might be reading it.

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Biodegradable Motor Oil Section Has Erroneous Assumption About Disposal

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modified the "Uses" section for certain mechanical corrections and I

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Maybe you can find a history of "multigrade oil" that explains this?

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This Talk section modified yet again to take Wikihowto into account.

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I recently wrote an article about JASO MA and MB specifications:

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I move this here because of lack of citations and POV issues. --

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in the banner shell. Please resolve this conflict if possible.

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This article has been given a rating which conflicts with the

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That gibberish had only been recently added. I removed it.

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I _think_ a bigger number is thicker - but it's not obvious.

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http://www.oilspecifications.org/articles/JASO_MA_JASO_MB.php

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It's still there and it's on the main mobile site as well.

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for additional information. I made the following changes:

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There is still a large section of text that is linked to "

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The image can be modified to blank out the brand name.

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These sections seem to be plagiarized from this page:

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any chance we could find out the temperature? here

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to determine whether its use and function meets the

438:, a collaborative effort to improve the coverage of 206:, a collaborative effort to improve the coverage of 101:, a collaborative effort to improve the coverage of 1901:using the archive tool instructions below. Editors 2038:A real oil does change - it gets thinner when hot. 862:for such how-to procedures. This how-to section ( 539:and the second number is the viscosity at 100 °C" 2253:B-Class articles with conflicting quality ratings 907:, there is an existing how-to procedure called " 2045:Enter multigrades. They change their viscosity 1887:This message was posted before February 2018. 1811:Tag for "motor oil" in beta editing vandalized 1603:that does the job of two previous oil grades". 544:http://www.waynesgarage.com/docs/oil_facts.htm 1644:Because those grades are defined by the SAE ( 8: 1494:Over exuberant rollback on 20th October 2010 866:) for changing your car oil can be moved to 864:now only in previous revisions under history 1595:, and might not serve to lubricate to well. 520:; for the discussion at that location, see 1857:I have just modified one external link on 1829: 384: 257: 152: 47: 652:http://www.burkeoil.com/pdf/oilguide.pdf 1850:External links modified (February 2018) 672:This section has been removed by now. 386: 315:to improve Knowledge's coverage of the 259: 154: 49: 19: 1248:Based on what kind of analysis? wdl 7: 432:This article is within the scope of 200:This article is within the scope of 95:This article is within the scope of 2248:Low-importance Environment articles 2233:Low-importance Engineering articles 2223:High-importance Automobile articles 783:engines used non-multi-weight, non- 38:It is of interest to the following 1082:need to be written from scratch. 909:How to Change the Oil in Your Car. 615:practically finished this article 474:project-independent quality rating 14: 1861:. Please take a moment to review 1695:rating motor oil and gear oil. -- 1463:There is a site out there called 954:http://www.nordicgroup.us/oil.htm 858:However, there is a Wikia called 838:How to change the oil in your car 803:http://www.nordicgroup.us/oil.htm 347:Knowledge:WikiProject Environment 220:Knowledge:WikiProject Engineering 115:Knowledge:WikiProject Automobiles 2238:WikiProject Engineering articles 2157: 1968:ie. 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The aim is to write 28:This article is rated 1127: 1059: 852:What Knowledge is not 780: 604:practically finished 500:The contents of the 1899:regular verification 1240:Synthetic lubricants 1018:"Motor" vs. "engine" 948:3000 miles myth/fact 531:viscosity teperature 353:Environment articles 226:Engineering articles 2174:redirect guidelines 2168:has been listed at 2165:Long life motor oil 2148:Long life motor oil 1889:After February 2018 1746:heavier than what? 1066:should be deleted. 458:Technology articles 307:environment-related 121:Automobile articles 2012:But it also says: 2007:The article says: 1943:InternetArchiveBot 1894:InternetArchiveBot 1612:thin wall bearings 1459:Oil specifications 881: 873: 809:Types of Cheap Oil 630: 626: 622: 618: 614: 607: 603: 300:Environment portal 195:Engineering portal 34:content assessment 1919: 1846: 1834:comment added by 1795:comment added by 1711: 1707: 1703: 1557: 1540:comment added by 1440: 1436: 1432: 1419: 1402:comment added by 1344:comment added by 1313: 1301:comment added by 1266: 1254:comment added by 1181: 1177: 1173: 1150: 1146: 1142: 1120: 1108:comment added by 1002:comment added by 992:Single-Grade Oils 923: 879: 871: 736:Nicholas SL Smith 657:Length of article 628: 624: 620: 616: 612: 605: 601: 552:comment added by 528: 527: 488: 487: 484: 483: 480: 479: 427:Technology portal 383: 382: 379: 378: 339:project talk page 256: 255: 252: 251: 151: 150: 147: 146: 2270: 2202: 2167: 2161: 2081:Which way is up? 1979: 1974: 1953: 1944: 1917: 1916: 1895: 1807: 1714: 1709: 1705: 1701: 1556: 1534: 1443: 1438: 1434: 1430: 1418: 1396: 1383: 1356: 1333:Su sitio web es 1318:Oil change shops 1296: 1249: 1184: 1179: 1175: 1171: 1153: 1148: 1144: 1140: 1103: 1014: 969:Multi-Grade Oils 959:Removed Copyvio 921: 830:Charles Gaudette 707: 564: 537:cold temperature 519: 497: 496: 490: 460: 459: 456: 453: 450: 429: 424: 423: 413: 406: 405: 400: 392: 385: 355: 354: 351: 348: 345: 302: 297: 296: 286: 279: 278: 273: 265: 258: 228: 227: 224: 221: 218: 197: 192: 191: 181: 174: 173: 168: 160: 153: 123: 122: 119: 116: 113: 92: 87: 86: 85: 76: 69: 68: 63: 55: 48: 31: 25: 24: 16: 2278: 2277: 2273: 2272: 2271: 2269: 2268: 2267: 2208: 2207: 2201: 2183: 2163: 2155: 2108: 2083: 2005: 1970: 1969: 1962: 1947: 1942: 1910: 1903:have permission 1893: 1867:this simple FaQ 1852: 1813: 1790: 1783: 1732: 1724: 1697: 1692: 1669: 1563: 1561:W means Winter? 1535: 1511: 1496: 1461: 1451: 1426: 1397: 1389: 1387:Motor Oil - ??? 1373: 1366:128.250.247.158 1362: 1339: 1328: 1326:Motor Oil Ltda. 1320: 1289: 1287:small two cycle 1245:to break even. 1242: 1167: 1163: 1136: 1126: 1100: 1058: 1020: 1004:190.194.237.249 997: 994: 971: 950: 840: 826: 811: 776: 750: 705: 659: 609: 573: 547: 540: 533: 515: 494: 457: 454: 451: 448: 447: 425: 418: 398: 352: 349: 346: 343: 342: 325:well-referenced 298: 291: 271: 225: 222: 219: 216: 215: 193: 186: 166: 137:High-importance 120: 117: 114: 111: 110: 88: 83: 81: 62:High‑importance 61: 32:on Knowledge's 29: 12: 11: 5: 2276: 2274: 2266: 2265: 2260: 2255: 2250: 2245: 2240: 2235: 2230: 2225: 2220: 2210: 2209: 2187: 2154: 2144: 2143: 2142: 2117:At least I try 2107: 2104: 2082: 2079: 2078: 2077: 2062: 2055: 2043: 2039: 2036: 2033: 2004: 2001: 2000: 1999: 1961: 1958: 1937: 1936: 1929: 1882: 1881: 1873:Added archive 1851: 1848: 1812: 1809: 1782: 1779: 1778: 1777: 1761:Heavier (less 1741: 1731: 1728: 1723: 1720: 1691: 1688: 1668: 1665: 1664: 1663: 1627: 1626: 1608: 1604: 1600: 1596: 1588: 1584: 1562: 1559: 1510: 1507: 1495: 1492: 1460: 1457: 1456: 1455: 1445: 1388: 1385: 1378:comment added 1361: 1358: 1346:190.20.154.116 1327: 1324: 1319: 1316: 1315: 1314: 1288: 1285: 1241: 1238: 1237: 1236: 1235: 1234: 1233: 1232: 1162: 1159: 1125: 1124:Synthetic Oils 1122: 1110:76.102.249.143 1099: 1096: 1095: 1094: 1057: 1054: 1053: 1052: 1047:Teutonic Tamer 1028: 1027: 1019: 1016: 993: 990: 970: 967: 961:208.124.27.242 958: 949: 946: 945: 944: 943: 942: 937:Teutonic Tamer 919: 918: 872:the section in 839: 836: 825: 822: 810: 807: 775: 772: 770: 749: 746: 745: 744: 743: 742: 713: 712: 701:Reference desk 693:Help! 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