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View Poll Results: .
Every 3000 miles 64 38.32%
Every 5000 miles 63 37.72%
Every 7500 miles 21 12.57%
Every 10,000 miles 6 3.59%
More than 10k miles 5 2.99%
What's an oil change? 8 4.79%
Voters: 167. You may not vote on this poll

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Old 03-22-2007, 05:34 PM   #1
Hazdaz
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Default How often do you change your oil?...

Reminder: Change oil every ... 12,000 miles?
With new formulas, driving style will determine frequency, automakers say
Quote:
DETROIT - Most major automakers agree: The adage that you should change your car’s oil every 3,000 miles is outdated, and even 5,000 miles may be too often.

Ford Motor Co. became the latest manufacturer to extend its oil life guidelines, making public that it is raising the recommended oil change interval from 5,000 miles to 7,500 on its newly redesigned 2007 models and all subsequent redesigned or new models.

The company, like many other manufacturers, said Tuesday that higher oil quality standards and new engine designs were responsible for the change, which affects vehicles driven under normal conditions.

“The oils have advanced a lot since the days when 3,000 miles were the typical oil drains,” said Dennis Bachelder, senior engineer for the American Petroleum Institute, an industry organization that sets quality standards. “They’re certainly more robust than the oils of 10, 15 years ago.”

These days, motor oils start with a higher-quality base oil than in the past, and they have more antioxidants that make lubricating properties last longer and other additives that keep deposits from forming on engines, Bachelder said.

Pete Misangyi, Ford’s supervisor of fuel lubricants, said the company conducted numerous fleet and laboratory tests with newer oils before it raised the interval.

“That allows more comfort, if you will, in extending the intervals using the new oils,” he said.

Some manufacturers, such as Honda Motor Co. and General Motors Corp., have stopped making recommendations on all or most of their models, instead relying on sensors that measure oil temperature extremes and engine revolutions over time to calculate oil life and tell drivers when to get the lubricant changed. Oil can lose its lubricating properties if it runs at too low or too high of a temperature.

Peter Lord, executive director of GM’s service operations, said oil can last 12,000 miles or even more for many drivers who don’t run their vehicles in extreme heat or cold or tow heavy loads.

“It really does depend on the individual customer and how they’ve used the vehicle,” he said.

Ford said it has found that its customers like a set mileage for service rather than wait for a sensor to tell them what to do.

For those who don’t believe the sensors, Lord says GM has reams of data showing that they’re reliable, and they notify drivers far in advance of when a change is necessary.

“We are absolutely confident of the technology. We back it with a 100,000 mile powertrain warranty now, so there’s no doubt in our mind that this technology works,” he said.

The longer oil life can save customers money. Ford estimates that drivers would save $600 over a five-year period by going from 5,000 miles to 7,500 between oil changes.

“From an environmental perspective we can save an enormous amount of oil,” Lord said. “There’s no point in wasting precious oil changing it prematurely. And we don’t have to dispose of so much waste oil, either.”

When to change oil is not without controversy, though.

Toyota Motor Corp. reduced its change interval from 7,500 miles to 5,000 in 2004 in part because it found that more drivers ran their vehicles under severe stop-and-start and short trip conditions that cause oil to deteriorate more quickly, said company spokesman Bill Kwong.

Toyota also had an oil sludge buildup problem on less than 1 percent of its 1997-2002 model year vehicles, Kwong said. Changing the oil more frequently prevents the sludge problem, which he said was caused by owners going more than 7,500 miles before changing oil.

The company lengthened warranty coverage on the affected engines to handle the problem, even before some owners filed a class action lawsuit, Kwong said.

Nissan Motor Co. recommends changing oil in its Nissan and Infiniti vehicles every 7,500 miles or six months — unless the vehicle is used mainly for towing, trips of five miles or less in normal temperatures, 10 miles or less in freezing temperatures, stop-and-go driving in hot weather or low-speed driving for long distances, in which the oil should be changed every 3,750 miles or three months, spokeswoman Katherine Zachary said.

And for some engineers and mechanics, 5,000 miles is too long to wait.

Drivers must take the weather and how much freeway driving they do into account before deciding when to change their oil, said Danny Beiler, part owner of an auto repair garage in Sarasota, Fla.

Freeway driving is less harmful to oil than driving in the city, but in Sarasota, the heat places nearly all cars under severe driving conditions that warrant more frequent changes, Beiler said.

“I have a problem with telling people 7,000 because you know they’re going to go over that. I’d rather err on the side of being cautious and tell them to do it early.”

Dewey Szemenyei, marketing manager for passenger car motor oil additives for Afton Chemical Corp., said he still changes the oil in his 1998 Toyota Sienna minivan every 3,000 miles.

“I really feel it’s great insurance,” said Szemenyei, whose company makes additives that go into motor oils and who chairs a Society of Automotive Engineers committee on engine lubrication.

“There’s not what I consider a right answer. However, if you go with the owner’s manual recommendation you should in general not have any problems,” he said.
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Old 03-22-2007, 05:37 PM   #2
SubNoob
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you're supposed to change that ish?
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Old 03-22-2007, 05:41 PM   #3
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German Castrol 0w30 every 5k
i know it's good for more miles than that
but i baby my car
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Old 03-22-2007, 05:41 PM   #4
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Somewhere between 3k & 5k.

-WAGN
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Old 03-22-2007, 05:42 PM   #5
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I just moved to a 5k interval. we shall see how that goes.
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Old 03-22-2007, 05:43 PM   #6
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Quote:
Originally Posted by Mark03BlueREX View Post
German Castrol 0w30 every 5k
i know it's good for more miles than that
but i baby my car
"It's made with bits of real Nazis, so you know it's good"
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Old 03-22-2007, 05:44 PM   #7
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i try to keep it at 3000-4000 miles, because the turbocharged engine tends to suck a little more oil through the intake than your average car. I find that if i let it go to 5000 miles, my level is getting a little too low for my tastes.
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Old 03-22-2007, 05:45 PM   #8
teh Phil
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5-7.5ish
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Old 03-22-2007, 05:45 PM   #9
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Quote:
Originally Posted by anickode View Post
i try to keep it at 3000-4000 miles, because the turbocharged engine tends to suck a little more oil through the intake than your average car. I find that if i let it go to 5000 miles, my level is getting a little too low for my tastes.
yeah i usually have to add a quart at 3.5k or so
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Old 03-22-2007, 05:46 PM   #10
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Quote:
Originally Posted by LastResort View Post
I just moved to a 5k interval. we shall see how that goes.
12345

with synthetic.

Car manufactures want you to go longer because with cars lasting as long as they do now they're in trouble...

Hmmmr how do we sell more cars... Oh yeah, lets' tell our customers something that will make them blow their motor so they'll have to buy a new one....
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Old 03-22-2007, 05:48 PM   #11
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My car has a oil meter that measures engine temp, rpm, etc and reccomends when to change your oil based on actual driving cycle. So I change it when my car tell me to.
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Old 03-22-2007, 05:48 PM   #12
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every other time i buy a car.
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Old 03-22-2007, 05:53 PM   #13
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In my Odyssey, it tells me when it needs a new refreshment. Currently, Oil Life 70***37;.
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Old 03-22-2007, 06:31 PM   #14
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Quote:
Originally Posted by tbert View Post
In my Odyssey, it tells me when it needs a new refreshment. Currently, Oil Life 70%.
So on average how often does it tell you to change the oil then? (I know it varies depending on driving style and such)
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Old 03-22-2007, 06:33 PM   #15
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I used to do every 3K, but now I'm doing every 6K. Saves money and more importantly, time.
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Old 03-22-2007, 06:36 PM   #16
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Originally Posted by shanafme View Post
more importantly, time.
It's a 15-20 min job tops.
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Old 03-22-2007, 06:38 PM   #17
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Quote:
Originally Posted by jacobsen1 View Post
12345

with synthetic.

Car manufactures want you to go longer because with cars lasting as long as they do now they're in trouble...

Hmmmr how do we sell more cars... Oh yeah, lets' tell our customers something that will make them blow their motor so they'll have to buy a new one....
Except with most new cars coming with a 100K powertrain warranty, increasing the oil change interval makes it more likely that when a car comes in it will be covered.

Before, if you come in with problems and it's been 7K miles since your last oil change, that engine's on your dime. Now Ford picks up the tab.
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Old 03-22-2007, 06:42 PM   #18
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3k
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Old 03-22-2007, 06:46 PM   #19
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7500 even though BMW recommends 15k.
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Old 03-22-2007, 06:51 PM   #20
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6k... the amsoil I use claims it's good for a year or 25k of normal use (15k miles of severe use) but I think that's just being optimistic...
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Old 03-22-2007, 06:56 PM   #21
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Aside from changing my oil after the initial 1000 mile break-in, I've been doing every 3000 miles, because I drive about 15 miles to work and back 5 days a week. When I get to 10,000 miles I plan to switch to synthetic and change about every 5,000 miles.
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Old 03-22-2007, 06:58 PM   #22
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I try to adhere to the 5k interval but I don't drive my wrx more than a couple hundred miles a month so I have recently been changing every other month.

It may be overkill but I don't care...It's only 20 bucks or so.
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Old 03-22-2007, 07:00 PM   #23
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5k, M1 5w-30.


most EJ255s/257s seem to consume oil, but mine, with a leaking drain plug ( even with the ****ing crush washer ), barely consumes any.
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Old 03-22-2007, 07:11 PM   #24
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I usually go by the mileage on the car, not by the time in days since my last oil change.
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Old 03-22-2007, 07:24 PM   #25
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I started ignoring the 3K rule a long time ago. On the Quest, I normally start thinking about it as it approaches 5K, then consider when I'll do it in accordance with any long trips or hauling, etc..., that we'll do. For my RX8, since I already have to check the oil and top off about every 1500 miles, I don't worry about the level. Plus, I'm always sure to give it its due rev workout once a day to get a good burn in the rotors Same thing, when 5K hits, I just look for the next convenient time, without hurrying too much.
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