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  #25  
Old 01-24-2011, 09:16 AM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

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Originally Posted by MSCA View Post
Really? Typically, an engine's air filter has MUCH more surface area than its oil filter.
If you are looking at the size of the filter yes, most people would pick the air filter. Most air filters have the surface area of 80-90 sq. inches. When oil filters start at 150-400 sq. inches. It is all in the material and pleating.
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  #26  
Old 01-24-2011, 09:21 AM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

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Originally Posted by parry69 View Post
i have to send this article to my dealership, to leave me the hell alone. at 2,500 miles, they send me a reminder notice, its like they always know
same here, i actually just got another in the mail this weekend.

not to knock the article but i think it ultimately depends on how you drive the rig and how much of it you do.

and its funny cause my oil change indicator went on as soon as i was on the george washington bridge haha (nothing related here, just funny)

so far ive done it at 2,300 and again at 4,200 and just recently at 6K.

to be honest here though to me its not really a waste, a couple quarts of oils to maintain your baby. ok sign me up... wheres my drain pan...
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  #27  
Old 01-24-2011, 10:43 AM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

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Originally Posted by GC2011 View Post
If you are looking at the size of the filter yes, most people would pick the air filter. Most air filters have the surface area of 80-90 sq. inches. When oil filters start at 150-400 sq. inches. It is all in the material and pleating.
I'm not sure how big the air filters in these Jeeps are or how many pleats they use, so I'm only going by the air filters that I use in my current vehicles. A large panel filter with a lot of pleats will have a pretty decent amount of surface area. But even so, filter the air ingested into an engine is a lot different than filter oil.

BTW, here's a good link that gives surface area for a number of different oil filters. There are some around 400 square inches, but it seems the average is probably more like 300 square inches. I guess you don't always know what you're getting if you tend to switch brands often.

http://people.msoe.edu/~yoderw/oilfi...lterstudy.html
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  #28  
Old 01-24-2011, 10:51 AM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

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Originally Posted by MSCA View Post
But even so, filter the air ingested into an engine is a lot different than filter oil.
Thanks for the link!

That is the point I was trying to make. Really an oil filter is dealing with a fairly closed system. It is filtering out particulates generated from the friction of the moving parts. While as the air filter is sucking in far more debri.

I remember growing up you didn't change the oil filter every oil change you changed it every other change. That is what they shops and dealer recommended.
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  #29  
Old 01-24-2011, 10:57 AM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

Well, my mercedes transporter Diesel 2.2l Turbo Engine with 150HP has intervals for Oil change around 18'000 miles or every two years. And if the high HP Porsche has long intervals for Oil, then a Jeep, Chrysler, GM ...

In my opinion: since 5-10 year of service is includes when we buy a car (Europe), the service intervals are getting longer and longer.
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  #30  
Old 01-24-2011, 12:28 PM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

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Originally Posted by GC2011 View Post
Thanks for the link!

That is the point I was trying to make. Really an oil filter is dealing with a fairly closed system. It is filtering out particulates generated from the friction of the moving parts. While as the air filter is sucking in far more debri.

I remember growing up you didn't change the oil filter every oil change you changed it every other change. That is what they shops and dealer recommended.

I always install a new oil filter when I change my oil. They are so inexpensive these days that I wouldn't do it any other way. I usually buy OEM filters in bulk on ebay, and they're around $3/each if I get a case of 10.
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  #31  
Old 01-24-2011, 12:54 PM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

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Originally Posted by SRTILLA View Post

not to knock the article but i think it ultimately depends on how you drive the rig and how much of it you do.
Not true. I road course mine and the company that I have analyze it suggested adding another 1000 miles to my change interval. Read below.

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  #32  
Old 01-24-2011, 01:55 PM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

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Originally Posted by SRTILLA View Post
so far ive done it at 2,300 and again at 4,200 and just recently at 6K.
Wow 1,800 and 1,900 mile oil change intervals. The oil companies love you :-) Drives a thirsty SRT8 and changes oil at less than 2,000 mile intervals. Nice!
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  #33  
Old 01-24-2011, 02:38 PM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

^^those were rough estimates when i changed them. i knew someone would bug out on that ish*

yall loco-
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  #34  
Old 01-24-2011, 02:56 PM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

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Originally Posted by cmn1 View Post
Not true. I road course mine and the company that I have analyze it suggested adding another 1000 miles to my change interval. Read below.

Actually based off the report you can drive another 2,268 miles before you are at the high end of their stated normal zone.

I can't say anything about your driving style either, but given it's an SRT8 you probably do not baby it, lol.
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  #35  
Old 02-11-2011, 01:22 PM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

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Originally Posted by WK2OverlandII View Post
Yes it does monitor the oil life. This is from the owners manual Page 268 (version 4)


Engine Oil Change Indicator System
Oil Change Due
Your vehicle is equipped with an engine oil change
indicator system. The “Oil Change Due” message will
flash in the EVIC display for approximately 10 seconds
after a single chime has sounded, to indicate the next
scheduled oil change interval. The engine oil change
indicator system is duty cycle based, which means the
engine oil change interval may fluctuate, dependent
upon your personal driving style.
Unless reset, this message will continue to display each
time you turn the ignition switch to the ON/RUN
position. To turn off the message temporarily, press and
release the MENU button. To reset the oil change indicator
system (after performing the scheduled maintenance)
refer to the following procedure.
1. Turn the ignition switch to the ON position (Do not
start the engine).
2. Fully depress the accelerator pedal, slowly, three times
within 10 seconds.
3. Turn the ignition switch to the OFF/LOCK position.


NOTE:
If the indicator message illuminates when you

start the vehicle, the oil change indicator system did not
reset. If necessary, repeat this procedure.

268 UNDERSTANDING YOUR INSTRUMENT PANEL

Mine is on order so I haven't been able to check this out but with the push button start how do you turn the key to on w/o starting?
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  #36  
Old 02-11-2011, 01:24 PM
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Re: "Stop Changing Your Oil" Breaking the 3,000-Mile Habit

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Originally Posted by bluetrude View Post
Mine is on order so I haven't been able to check this out but with the push button start how do you turn the key to on w/o starting?

Press the start button without your foot on the brake.
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