Why Extended Drain Intervals Are A Bad Idea

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Originally Posted By: johnsmellsalot
I was on google trying to find a picture of my engine when I stumbled upon these pictures. http://www.jeepkj.com/forum/showthread.php?t=47101

It's just another reason to change the oil according to the owner's manual. On my car, its every 3,000 miles. On my parent's 2010 Honda Civic, its when the OLM gets to 5%.

Some people use oil such as Mobil 1 Extended Performance because they think they can go 15,000 miles on the same oil.

Here's a quote from the Honda Civic manual: "You may use a synthetic motor oil if it meets the same requirements given for a conventional motor oil: it displays the API Certification Seal, and it is the proper weight. You must follow the oil and filter change intervals shown on the information display."

I don't use synthetic unless it's required by the vehicle manufacturer. I also don't leave anything in there longer than I'm supposed to.


http://www.youtube.com/watch?v=8KGll3zsJFY
 
The only problem with that video. 4:05, 121,000 miles and 15,000 mile OCI on DINO! What do you expect? Apples to Orange comparison. I have pictures of my 178,000 Jeep 4.7 5-7k drains on dino since NEW. Clean and no sludge. Hmmmmmm.
 
Originally Posted By: SEMI_287
The only problem with that video. 4:05, 121,000 miles and 15,000 mile OCI on DINO! What do you expect? Apples to Orange comparison. I have pictures of my 178,000 Jeep 4.7 5-7k drains on conventional since NEW. Clean and no sludge. Hmmmmmm.


You bet.

The proprietor stated the company did 7500 miles OCI's, and this was good impact advertising. Heck those cabs on the conventional oil torn down, could have shown the numbers embossed in the bearings too....LOL

Other than that it was well done by the Exxon people.

Overall, I thought it would be enlightening to a lot of folks to myth bust the false notion that the extended drain interval concept is propaganda or is a wear compromise.

Long OCI's certainly have a niche in certain conditions.
 
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Man, there are a lot of knuckleheads on that Jeep site.

I like the way they all pat each other on the back for changing their oil every 3,000 miles as if one mile over will cause instant and total destruction. Talk about being way behind the curve...
 
That video has me wondering about how long the oil is in, and how that impacts the results at 15k. For me 15k on the Camry would be 1.5 years. On that video the claim from the drivers was 160-200 miles a day on a shift 10-12hrs long. The taxi runs 24 hrs a day, 2 shifts, so that's maybe 300 miles a day. Taxis run 7 days a week, that's 2100 a week?. 15k in 2 roughly months? Am I off here?
 
Here are pics I just posted in the "Photo Section" of my Focus with 10K OCI on an engine with 91K.
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By the way, this is with no oil added during the OCI and 8-10 months duration.
 
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Originally Posted By: tig1
Here are pics I just posted in the "Photo Section" of my Focus with 10K OCI on an engine with 91K.


Was it the same oil since new?
 
Originally Posted By: LeakySeals
Originally Posted By: tig1
Here are pics I just posted in the "Photo Section" of my Focus with 10K OCI on an engine with 91K.


Was it the same oil since new?

I bought the car with 20K and have used Mobil 1 5w20 Extended Protection for the first 40K or so and Mobil 1 0w20 since. Absolutly so varnish at all and the engine never falls off the full mark. The Fusion is the same way.
 
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By the way, a friend has a 03 Windstar with 150K and does 15K OCIs with 5-30EP and his engine is very clean as well. Since I just figured out how to post pics, the next time we change his oil will photo and post pics.
 
Originally Posted By: tig1
Originally Posted By: LeakySeals
Originally Posted By: tig1
Here are pics I just posted in the "Photo Section" of my Focus with 10K OCI on an engine with 91K.


Was it the same oil since new?

I bought the car with 20K and have used Mobil 1 5w20 Extended Protection for the first 40K or so and Mobil 1 0w20 since. Absolutly so varnish at all and the engine never falls off the full mark. The Fusion is the same way.


I need a push to extend. I have 2 Toyota sludge beasts that came from a neglected past. Been several OC's with M1....I know it doesn't mean anything without a used oil analysis but....ok I'll say it... (embarrassed)...what I see on the stick urges me to change both of them around 5-6k/6mos. Never seen oil get so dark so fast. Is that just a M1 thing and I'm fine? or am I still dealing with a cleanup?
 
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Leakyseal,

Your engine may be somewhat dirty. If it is your oil it will darken a lot, but that doesn't mean there is a problem. However 7-8K OCIs may be your best bet with these Toyota sludgers. By grandsons 02 Camry 3.0 is using Mobil 1 5w30 High Mileage and changing every 6 months.
 
tig1 - right, what I'm doing till I see progress. Takes longer each time to darken but by 4k I can't see the metal on the stick on either of them. Is that what you see at some point?
 
Originally Posted By: LeakySeals
tig1 - right, what I'm doing till I see progress. Takes longer each time to darken but by 4k I can't see the metal on the stick on either of them. Is that what you see at some point?


No, since my engines stay very clean I can see through the oil even at 10K. It ghets that dark amber colar.
 
Originally Posted By: LeakySeals
That video has me wondering about how long the oil is in, and how that impacts the results at 15k. For me 15k on the Camry would be 1.5 years. On that video the claim from the drivers was 160-200 miles a day on a shift 10-12hrs long. The taxi runs 24 hrs a day, 2 shifts, so that's maybe 300 miles a day. Taxis run 7 days a week, that's 2100 a week?. 15k in 2 roughly months? Am I off here?


Yeah, your #'s are on to me. And I think the short time factor wins a card here.


I found it interesting about their broad warranty coverage:
Quote:
What the Period of Coverage Is
The Mobil 1 Extended Performance limited warranty is valid for 15,000 miles or your vehicle’s OEM recommended oil change interval, whichever is longer.

Additional requirements for Mobil 1 Extended Performance include:

Oils must be put in service not later than five (5) years from the date of purchase; and
an oil change must be completed every twelve (12) months.
What We Will Do to Correct Problems
ExxonMobil will replace any lubricant that is defective. In addition, if there is equipment failure due to the lubricant you purchased, and the engine was serviceable at the time the oil was installed, ExxonMobil will repair any equipment damage directly caused by a defect or malfunction of the lubricant, at no cost to you, provided that the lubricant was selected and maintained in accordance with specifications of the OEM or the written instructions (which includes product packaging) of ExxonMobil.

How You Can Get Service
To file a claim under this Limited Warranty, you must:

Upon discovery of the damage (but not later than six (6) months from the date the damage occurred), call 1-800-AskMobil (275-6624).


Allow an ExxonMobil representative to examine the equipment and maintenance records, if available, and provide proof of purchase to determine the extent of the damage and to confirm that the lubricant was the cause.


Allow an ExxonMobil representative to obtain an oil sample from the engine for oil analysis at no cost to you to assist in determining the cause of the equipment failure.


I remember reading about an account of a guy using their gear fluid in an import transmission gearbox, and the sulphur reacted to the aluminum bearings, ruining it -- they were quick about the compensation.

It was one of those horror stories where the owner didn't follow the manufacturers guideline on using only the O.E.M. fluid here.
 
I'd just like to clarify some things:
1. This is a 3.1 L GM engine.
2. It doesn't take 20 people to tell me that there was antifreeze in the oil.
3. @Clevy: If you change your oil every 3,000 miles, there's no point in using synthetic.
4. @INTJ: They never said how often they changed the oil.
5. @tig1: My parent's Civic has 40k and its been using conventional every since it was new. It looks cleaner than the one in your picture.
 
Originally Posted By: dwilly99
i agree with the OP bad idea to run 10000miles without getting oil tested, and how many of you have torn down an engine with coolent in it, im gonna guess zero cuz thats not what it looks like, that looks like sludge im sure the car had an external coolent leak.


Punctuation... makes it easier for us to read.
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Also hard for us to believe you when you can't spell coolant. That is what an engine looks like with coolant and oil mix in the crankcase. If coolant was in the cylinders it would make them clean, not the crankcase.
 
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Originally Posted By: johnsmellsalot
I'd just like to clarify some things:
4. @INTJ: They never said how often they changed the oil.


From the Mobil side: At 1:47 there is a caption highlighted on "15,000 oil change interval," and the Mobil tech said it verbally @ 2:06.

From the cab company: @ 5:23 he says, "waist reduced by half obviously, because we change our oil half of what we used to."

That would be half of 15k to me.
 
Originally Posted By: jeepman3071
Originally Posted By: dwilly99
i agree with the OP bad idea to run 10000miles without getting oil tested, and how many of you have torn down an engine with coolent in it, im gonna guess zero cuz thats not what it looks like, that looks like sludge im sure the car had an external coolent leak.


Punctuation... makes it easier for us to read.
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Also hard for us to believe you when you can't spell coolant. That is what an engine looks like with coolant and oil mix in the crankcase. If coolant was in the cylinders it would make them clean, not the crankcase.


I agree. I've drained a the crankcases of a few engines with internal coolant leaks and the oil came out looking like chocolate milk. It's when the coolant leak goes from bad to worse that you see vanilla milkshake stuff coming out.
 
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