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Yes...Some synthetic motor oils recommend 15,000 miles between oil changes. However they also recommend changing the oil filter at 7500 miles then adding more synthetic oil to replace the oil lost from changing the filter.
In summary...drive 7500 miles change filter,add oil, then drive another 7500 miles.
Read the recommendation on the oil bottle.
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Can you go longer between oil changes using synthetic oil vs conventional oil?
That's easy synthetic oil. Ill tell you why it sounds better
What are disadvantages of using synthetic oil in 2 cycle outboards?
None, except price. Synthetic will create less carbon and your spark plugs will last longer. I use synthetic in all my 2 cycle engines.
Can you use conventional oil.after using synthetic for the last 4 oil changes?
Yes, you can even mix them together.
Does using more expensive oil mean I can drive my car longer between oil changes?
No you need to still change it fequently, as it still get dirty.
How frequently must you change synthetic motor oil?
Most manufacturers and synthetic oil companies recommend 7500 maintenence intervals with synthetic oil. However, not all "synthetic" oils are true synthetics so be aware of what type/brand of oil you are using. In addition if you drive mostly highway with very little stop and go, city driving you can easily go 10,000 miles between changes.
How often does the manufacturer recommend changing the oil in a 2000 dodge grand caravan?
Every 3000 miles/5000 Kms or every 3 months. If driving in an especially dusty environment or idling the engine for especially long periods, then change oil more often. If using synthetic oil, longer periods between oil changes are acceptable (check with Dodge or synthetic oil manufacturer for those oil change schedules).
Can you mix full synthetic with semi synthetic oil?
Yes because semi-synthetic motor oil is a blended mixture generally 70% regular motor oil mixed with 30% full-synthetic oil therefore by adding or blending more full-synthetic oil into the mixture merely increases the percentage amount of full-synthetic oil within a pre-blended semi-synthetic brand. However it should be noted a 2-year motor oil test done on 75 New York taxi cabs in 1996 showed no significant nor any discernable differences whatsoever between using regular motor oil with a package of additives versus synthetic motor oil in terms of performance, sludge buildup, and wear and tear. It's a tie or in other words it looks to be more of a matter of financial capabilities whether a motorist can afford the overly expensive price of synthetic oil mostly for the peace of mind since apparently synthetic oil is practically no better and no worse than regular motor oil with additives On the other hand if the original question also asked, "Which is better, synthetic or semi synthetic or regular motor oil whether with or without additives?" then the answers depends upon certain circumstances. Synthetic motor oil is thinner than regular motor oil but withstands high and low temperatures better and therefore recommended for high performance racing engines or for use in very extreme hot and/or very extreme cold climates. Synthetic oil also takes longer to breakdown which translates into slightly longer periods between oil changes although still requires periodic oil changes. Full-synthetic oil is recommended for cold climate start-ups because its thinness makes it less sticky and less tacky between the moving metal parts of a cold engine which makes it easier for cold engines to turn-over compared to using regular motor oil which is a thicker oil. But synthetic oil is warned against using during a new engine's break-in period and also warned against using in engines prone to leakage because the thinness of the synthetic oil increases leakage particularly in older engines. Semi-synthetic motor oil consists roughly one-third synthetic and two-thirds regular motor oil and said to offer many same exact advantages as full-synthetic but at around half the price or so. Although regular motor oil with an additive may be cheaper it apparently works just as good as the more expensive synthetic oils and not worse nor better but essentially the same in regards to lubricating and protecting engines. For most motorists, although synthetic motor oil is slightly better than regular motor oil it's probably not likely worth the overly expensive price tag unless you're into high performance racing or live in very extreme climate temperatures otherwise everything else about full-synthetic motor oil sounds to be pure hype or else we would've expected any noticeable degree and/or some kind of significant difference in at least one engine out of the 75 city cabs from a 2-year motor oil test instead of zero difference, wouldn't we? The motor oil used in the Consumer Report 2-year motor oil test used a full package of additives but no tests were done using just plain motor oil without the additional additives, however, an oil expert strongly advises and warns against using any additives in article entitled "Motor Oil Myths and Facts", quote: "Do not use any oil additives no matter how much they are hyped on TV. They provide no benefit and can interfere and react with the additives already present in the oil. Some additives have particles that can clog oil passages and clog filters. Common additives that are heavily hyped are Slick 50, Duralube, and Prolong." Unquote. As of 2009 in comparison to 30, 20, or 10 years ago, the quality now-a-days of standard plain motor oil usually already contains its own detergent additives and is improved to where it now appears there's no longer any appreciable difference in the performance or benefit between using either plain regular motor oil without additional packages of additives vs synthetic vs semi-synthetic as long as periodic oil changes are maintained as they all work equally the same and equally well at performing the functions they're designed to do. In other words as long as a shop mechanic performs reasonable periodic oil changes over the next 10 or more years then any car owner who believed their car had always been using expensive synthetic oils even though the mechanic had been using cheaper plain motor oil whether with or without additional additives, the owner would not be able to distinguish any difference upon mechanical inspection of the engine parts. In conclusion and if money is of no concern then the only lazy advantage to using synthetics versus regular with additives appears to be the slightly longer periods between periodic maintenance oil-changes. I haven't researched any actual 10-year span statistics although I'm only guessing it could perhaps be something like a difference between maybe 3 synthetic oil-changes versus maybe 4 regular oil-changes per decade?
What are the most significant changes in the voting procedures?
It's not clear what you mean. Changes between when and when? In recent years the most significant change in voting procedure is between using punch cards and using electronic voting machines.
What oil kind for a Chrysler sebring 2004?
The recommended oil is conventional 5W30 oil for this vehicle. You can use 10W30, but 5W30 is recommended and is considered an "energy conserving oil" which may give you slightly better fuel economy (1% to 2%). You can also use full synthetic 5W30, but it is not necessary and is more expensive, but can go longer between changes, so it's a trade-off. Synthetic does reduce friction slightly, so may increase fuel economy over using conventional oil. Usually that is a 5% to 10% improvement. However, if the car has any oil leaks, switching to synthetic will tend to make them worse. This is due to the difference in molecular structure between petroleum based oil and synthetic oil. So you have a choice, but if you use 5W30 conventional oil and change it every 5000 miles, you will be following the manufacturer's recommendations and should have no problems.
What is the difference between organic food and intensive farming food?
Organic foods are grown without the use of synthetic fertilizers and pesticides. Intensive farming foods may or may not be grown using synthetic fertilizers and pesiticides.
Are there any benefits in using synthetic oil instead of conventional oil in a 2009 Honda Civic?
Longer change intervals is about all the benefit there is in a vehicle used under normal conditions.
Advantages and disadvantages and uses of synthetic materials?
Using synthetic materials, are less expensive for the suppliers to buy.
