Dec 19, 2016 · You could probably get away with 5w20 if you're in the warmer climates, but that's it. Long term use of 40 weight will almost certainly harm an engine designed for 20 weight nowadays. I used to work at a Ford dealer and when the Crown Vics switched to the 4.6 engine, it specified 5w30. Any good 5W-20 won't destroy your engine before the end of the warranty and never ever use the heavy 40 and 50 weight oil as you engine won't be better off with it over the long term and you'll pay the price in poorer fuel economy and performance. If I were you, I might just go with a thin 5W-30 that will shear to a 5W-20 in short order anyway.If you own a Honda Civic and the 5w20 specified by the manual is not available, the manufacturer advice that, you can go ahead and use the 5w30 oil without having to worry because it is also good for the engine of this particular car. The Pennzoil car engine can use both the 5w30 and 10w30 without a blink. The WRX seems to work well with the 5w30.Ok today i got an oil change for my 3.5L at a quick lube place and switched to Mobil synthetic oil at the same time but they mistakenly put in 5W-30 instead of the recommended 10W-30. Is there any problems i may have running this weight? I'm about to park my car for the winter anyways.In the old days, a 10W-30 would work in a wide variety of vehicles. The oil supplier could sell you a 55-gallon drum and a shop could use it on vehicles that required either a 5W-30 or 10W-40. But, modern engines have tighter tolerances and more sensitive emission systems. will it hurt your car engine if you put a half a quart of oil above the full mark on the dip stick and if it won't hurt it how much over the full mark can you put in that is safe before it can damage … read moreHi, reading through posts and notice that there are discussions about 5w20 and 5w30, there was a TSB in 2006 to switch to 5w20 for some cars, but then the 2009 were produced later and the manual still saids to use 5w30. I have read other posts claiming certain dealers are putting either 5w30, 5w2...According to our records, you contacted us telephone today on June 14, 2007 regarding your 2007 Tundra. At that time we referred we advised to you that 5w-30 oil viscosity will not affect engine. Adv on next oil change can choose to use 5w-20 for best gas mileage. Out vehicles come from the factory with natural petroleum-based engine oil.The New 5W-20 grade - Good or Bad for your engine. americanflag Posts: 400. ... When I did my first oil change, I went to a quick change place that put in 10W-30. I noticed the engine sounded like it ran smoother. Then I saw that the engine called for 5W-20, so I took it to the dealer and got the oil changed to 5W-20. ...Can I use 10w-30 engine oil in my Odyssey instead of the factory recommended 0w-20? The 0W-20 oil is like water and I have a strong suspicion that Honda recommends the 0W-20 for fuel economy, in order to improve their regulatory CAFE performance - at the expense of engine longevity.The guys there are oil fanatics, and have used 5W-20 before and had used oil analyses done on it. Contrary to what you might think, they were showing BETTER wear levels running 5W-20 vs. running 5W-30. I've thought off and on myself about using 5W-20 in my 2003, since the engines are exactly the same as the 2005/6 models, as far as we can tell. Dec 17, 2014 · Answer: NO! You do not need to use a 5W-20 or 0W-20 oil. Do not let your dealer scare you by telling you that you have to use 5W-20 oil for your warranty. That is a tactic that some dealerships use to scare customers. Once you know the facts and the Federal Magnusson Moss Act law,... Jul 18, 2014 · gas engines usually call for 10w30 or newer engines often call for 5w20. I've never seen a gas engine call for 15w 40, so i guess you could say that is a diesel engine oil, but only because of the ... I put by accident 5w 20 instead of 5w 30 will it damage my engine? Unanswered Questions. ... I guess you could probably put it on the engine, if you can explain why you'd want to.Running Cold. If your mower manual calls for a 5W-30 engine oil, using a 10W-30 oil is also acceptable. The only difference between the two oils is the low temperature point, with the 5W-30 ...You can decide for yourself, but I would be a little more frequent then that. Also, I believe the new models call for 5W20 or 5W30 oil. I’d use something a little heavier in the 5.7, like 10W30. I’m an engineer in the dynamometer laboratory, testing these engines. They accumulate millions of miles and thousands of hours. The guys there are oil fanatics, and have used 5W-20 before and had used oil analyses done on it. Contrary to what you might think, they were showing BETTER wear levels running 5W-20 vs. running 5W-30. I've thought off and on myself about using 5W-20 in my 2003, since the engines are exactly the same as the 2005/6 models, as far as we can tell. Apr 25, 2010 · Best Answer: 5w-20w is just thinner. If you live in the northern states and the temperature is down around 0 degrees then you would want to use that weight oil. But in the Summer months and if you are in a southern state, the 10w-30w oil is much better to use. In your Owners manual under recommended oils,... Whether you have questions pertaining to motor oil performance, synthetic oils or how to recycle your used oil, you can get the answers you're looking for below. First, narrow the options down by choosing the closest-related category to your question. Oil Types, Weights & Viscosity FAQDealership oil changes using 5w20 If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. Oct 06, 2019 · Hello: Purchased a 1997 30' Land Yacht 74 450 miles, looked it over test drove it, all good. To my consternation, on the way home (a 2.5 - 3 hr drive as my GPS took me way way off course into rural It's still thicker when cold (you can't change fluid dynamics entirely), just not as thick as a straight 40 weight oil would be at colder temperatures. My Honda lawn mower calls for 10W-30 and has had M1 in it since new.:tu: I'm thinking about putting 5W-30 in it next time as I've used up all my M1 10W-30.Aug 25, 2011 · If you develop oil leaks from the synthetic 5w-30 you might want to go to 10w-30. The manufacturers played around with their recommendations a few years ago to get their CAFE ratings up. I see my 04 Regal now says 5w-20 on the cap. My 2000 had 10w-30, same engine 3800 Series II Supercharged. I still use 10w-30 in the 04 as it is 90+ here in the ... If you are racking your brain to choose between 5w30 and 5w40, we recommend you go with 5w30.However, if it is too expensive or not available for use, you can always go with the 5w40, which is just as good and will not cause any damage to the engine parts. Read more about the best synthetic oil you can buy.So no you don't need to buy $18 per quart super oil (in fact if you don't have a heavily modded engine this can hurt, the mega expensive stuff is formulated for high rpm high abuse engines) but you should try and get the best formula you can afford to regularly change your oil with. Can I use 10w-30 engine oil in my Odyssey instead of the factory recommended 0w-20? The 0W-20 oil is like water and I have a strong suspicion that Honda recommends the 0W-20 for fuel economy, in order to improve their regulatory CAFE performance – at the expense of engine longevity. If your engine is low on oil it will seize up, and wont start. But, check you're oil anyway and see if you need to add more. It doesn't matter so much for what you put in it, its a 2 stroke so it ... Can I use 10w-30 engine oil in my Odyssey instead of the factory recommended 0w-20? The 0W-20 oil is like water and I have a strong suspicion that Honda recommends the 0W-20 for fuel economy, in order to improve their regulatory CAFE performance – at the expense of engine longevity. Nov 11, 2003 · This shop I went to put in 10w30 on my 2003 Zetec (ZX3). I always use 5w20 myself. Normally I can get between 330 and 400 miles on a tank, once in a while slightly more than 400. Since they put the 10w30, I don't think I've managed any more than 350, and it's usually much closer to 300. There may be other factors involved, but I doubt it. Dec 09, 2013 · How many quarts / liters of engine oil is needed for an oil change including replacement of oil filter for a Dodge Avenger. If you want to do maintenance by yourself on your Dodge, if you want to change your engine oil and filters see and you don’t now how big it’s your engine volume or how much quarts / liters oil enter in your car engine below you can see what is your car engine oil ... When trying to decide between 5w30 and 10w30 you’ll need to consider the temperatures where you live and the age of your engine. 5w30 oil is designed to operate at ambient temperatures as low as -30 degrees Celsius (-22 degrees Fahrenheit) – making it a great choice if you live in cold climates such as the Northeastern United States or Canada. 5w20 is factory fill and recommended. mopar is about the only place to get it though. i went synthetic mobil1 15w50 thinking the higher the oil pressure the better. but was suprised when my engine tick got much louder. a quick, yet expensive change to mobil1 5w30 cut the noise right back down. proving to me the hemi likes thin oil. now i just have to find out why????Just went in at 1,250 miles to get the oil changed and get my tail light checked due to being really tight on the frame and instead of putting in Synthetic 5w-30 like the manual states they put in 5w-20. Not sure how big of a deal this is, especially since it's getting colder, so I haven't...The key difference between 5W20 and 5W30 motor oil is that the former is thicker or less viscous. When you pour it into the engine, 5W20 oil will create less friction owing to its thinner viscosity, which means it results in less drag throughout the engine parts, such as pistons, valve train, and crankshaft.