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6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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Old 05-08-2006, 07:24 PM   #1 (permalink)
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How Often Oil Change

I'll be buying my 2006 Super Duty this week with the 6.0L diesel. Would someone tell please tell me how often (mileage) the oil is supposed to be changed? I tried the search but didn't find it.
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Jeff
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Old 05-08-2006, 07:31 PM   #2 (permalink)
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Re: How Often Oil Change

7500 miles for regular driving habits, 5000 for heavy duty use(towing and such). I change my oil at 5k.
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Old 05-08-2006, 08:18 PM   #3 (permalink)
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Re: How Often Oil Change

Jeff, you're going to get a wide variety of numbers. I change my oil every 3000 miles. I also send a sample into Blackstone for analysis. So far, I've been getting excellent results.

One thing is for sure, oil in a diesel will get dirty, particulate dirty. Yes, you can add one of those $300-$500 bypass filters and try to extend your interval, but the bottom line is particulates suspended in the oil. Some bypass filters work better than others. I know some that have had good luck with them.

I choose to change the oil at 3000 miles and not deal with added cost and time of bypass filters. In the long term, you will spend about the same.

At $7.50/gal of dino oil, you'll spend $26.25 for an oil change. Add the $20 Motorcraft filter, you are at $46.25.

This comes to .0154 cents per mile, based on 3000 miles per oil/filter change.

Now, extended your interval to 5000 with a bypass filter...

Oil: $26.25
OEM Filter: $20
Bypass filter: $20
Investment for hardware: $16.66 (based on 150000 mile payback)
Total: $82.91

This comes to .0165 cents per mile.

A total difference of .0011 cents per mile more using the bypass filter... Now this isn't much, only $5.50 per oil change, thus the equivalent cost to change oil at 3000 vs 5000 with a by-pass filter.

Ford recommends 5000 miles between il changes as the maximum. They do not recommend extended oil changes, even with a bypass filter.

Rememeber one thing.. These engines like to tear up oil. You will loose viscosity. The 40W will turn to 30W in approx. 1200 miles.

Enjoy..
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Old 05-08-2006, 08:21 PM   #4 (permalink)
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Re: How Often Oil Change

7500 miles and approaching 60,000 miles total. Blackstone report shows no issues.
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Old 05-08-2006, 10:23 PM   #5 (permalink)
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Re: How Often Oil Change

I agree with 5k on the oil change, or less. It's the easiest, and most important maintenence you can perform to keep you rig running.
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Old 05-08-2006, 10:32 PM   #6 (permalink)
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Re: How Often Oil Change

3500 first oil change, 5000 after that.
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Old 05-09-2006, 08:08 AM   #7 (permalink)
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Re: How Often Oil Change

Ditto to Ford06.
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Old 05-09-2006, 10:13 AM   #8 (permalink)
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Re: How Often Oil Change

Why would you change the oil so often? The owners manual says 7500 miles for normal operation, 5000 miles for severe use. My VW tdi says first at 5000 after that every 10,000. Who do we beleive? The engine designers or others....

I've been following this forum for a while. Man, what a spread of oil change intervals. I'm sooo confused..... [img]/ubbthreads/images/graemlins/shrug.gif[/img]
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Old 05-09-2006, 10:37 AM   #9 (permalink)
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Re: How Often Oil Change

Flame me all you want, but 3k as an interval is a waste of money, time, and effort. Unless you're pounding the living crap out of this thing every day, it's simply overkill.

I'm going 5-7 depending on how much towing I do.

If I were towing max loads through an oil field somewhere, I guess 3k would make sense, or aybe for people that commute in heavy traffic everyday (lots of idling) as they be would be at risk of having some fuel buildup in their oil.
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Old 05-09-2006, 10:38 AM   #10 (permalink)
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Re: How Often Oil Change

[ QUOTE ]
Who do we beleive? The engine designers or others....

[/ QUOTE ]

At the minimum, go by what the owners manual says, that way your not jeapordizing your warranty. If you want to change more often, go for it as the only thing it should affect is your wallet. I do mine btw 3500 and 4000 miles.
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Old 05-09-2006, 10:46 AM   #11 (permalink)
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Re: How Often Oil Change

I changed the factory oil and filter at 1000 miles, then again at 3000 miles. Now I go every 3000, cheap insurance for a VERY expensive engine. I use only Motorcraft oil and filters.
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Old 05-09-2006, 11:03 AM   #12 (permalink)
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Re: How Often Oil Change

I can understand the shortened interval for those who are "using" their trucks for what they were intended. But for those of us who are doing highway commuting most of the time, doesn't it make sense to not change so often? Just my $0.02.

Also, I was not flaming anyone in my previous post, just observing that there is a large window of suggestions. Sorry if I offended anyone. Maybe the suggested intervals should be bounded by severity of use. I agree towing, hauling, dirty, hot, cold environments deserve better/more frequent care, but for us urban truckers that mostly commute, I think the owners manual is a starting place.

What do you think?
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Old 05-09-2006, 11:21 AM   #13 (permalink)
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Re: How Often Oil Change

[ QUOTE ]
What do you think?

[/ QUOTE ]

I agree with you. The owner's manual couldn't be more clear. I'll admit to splurging for quality oil (Delvac), but don't feel the slightest bit of worry in following recommended intervals. 3k mile oil changes are a complete waste of money and natural resources.

As an aside, I don't like the way my local dealer insists on the 3k changes. Their latest letter pushing servicing mentioned the truck's warranty in such a way as to imply that it's in jeopardy if "recommended intervals" aren't followed. In other words, to the less informed consumer, it reads like their made up 3k changes are required for warranty preservation. IMHO, FMC should put a stop to this nonsense.
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Old 05-09-2006, 11:21 AM   #14 (permalink)
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Re: How Often Oil Change

[ QUOTE ]
I can understand the shortened interval for those who are "using" their trucks for what they were intended. But for those of us who are doing highway commuting most of the time, doesn't it make sense to not change so often? Just my $0.02.

Also, I was not flaming anyone in my previous post, just observing that there is a large window of suggestions. Sorry if I offended anyone. Maybe the suggested intervals should be bounded by severity of use. I agree towing, hauling, dirty, hot, cold environments deserve better/more frequent care, but for us urban truckers that mostly commute, I think the owners manual is a starting place.

What do you think?
[img]/ubbthreads/images/graemlins/vulnerable.gif[/img]

[/ QUOTE ]

I agree, the manual is the place to start and then tweak depending on your driving/conditions.

My van see's 90% hwy use with light 4Wheeling on the weekends in the summer. It stay's parked most of the fall/winter with maybe one trip every few weeks.

One thing I've been wondering about is mileage versus time. Since my van stay's parked mostly in the fall/winter, the oil could be in the engine from 4-6 month's before it's time to change based on mileage.

I switched to Rotella Syn 5W40 for this past winter. It's been in there since November and it still has only about 2000 miles on it. Any thoughts on whether I should change it now since it's getting warmer and been in there 6 months, or just change it when mileage dictates.

thanks
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Old 05-09-2006, 11:25 AM   #15 (permalink)
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Re: How Often Oil Change

Since mine is only used for about 600 miles a month, I have my oil changed every 6 months. I believe the manual states 7500 miles or six months, whichever comes first.
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