Why the MPG difference?
Posting Guru
Joined: Apr 2008
Posts: 2,392
Likes: 1
From: Green Lane, Pa.
Because it's that time of the month. I am wondering how much mileage is being knocked off my truck by running duel raccoon tails on the antenna's and curb finders
Fleet Mechanic
Joined: Jan 2007
Posts: 1,741
Likes: 3
Summer versus winter fuel is usually the largest single EXTERNAL factor for differences in fuel mileage. Especially in areas of the country like MN that have to run #1 fuel for part of the year in order to run fuel AT ALL...
Also note that Ford engaged in a program of minor "neutering" in the '05 and '06 models, and more substantial "neutering" in '07, to keep the EPA happy. EPA considers more fuel burnt, for supposedly cleaner air, to be a good thing, for some bizarre reason.
Remember that you're driving an 8000-lb brick that wants to be a sports car, and plan accordingly.
-blaine
Also note that Ford engaged in a program of minor "neutering" in the '05 and '06 models, and more substantial "neutering" in '07, to keep the EPA happy. EPA considers more fuel burnt, for supposedly cleaner air, to be a good thing, for some bizarre reason.
Remember that you're driving an 8000-lb brick that wants to be a sports car, and plan accordingly.
-blaine
Elder User
Joined: Feb 2011
Posts: 564
Likes: 0
If anybody is being ignorant it is most definitely you and you are feeding way too much into this. The question I was asking did not require the need for minute details such as mud flaps taking 1/2 MPG off.
I was simply asking why there was such a LARGE gap in what people get. I mean when one guy says he gets 22 MPG and the next guy says he gets 13-14, there is something more going on. Either there are MAJOR truck differences or someone is lying.
If you don't like the thread, take you and whatever pole was stuck up your A$$ and read something else.
I was simply asking why there was such a LARGE gap in what people get. I mean when one guy says he gets 22 MPG and the next guy says he gets 13-14, there is something more going on. Either there are MAJOR truck differences or someone is lying.
If you don't like the thread, take you and whatever pole was stuck up your A$$ and read something else.
(Notice I DID NOT ask how much your wife weighs.)
Elder User
Joined: Feb 2011
Posts: 564
Likes: 0
I'd be real careful there. If you actually forgot what you wrote, then you're implying I'm a liar. That's more than I can stand!
Post Fiend
Joined: Oct 2005
Posts: 10,626
Likes: 7
From: Plano TX and Brentwood TN
You will also note that I stated that while some or maybe even the majority of people might lie about their MPG claims, it will be hard to show that everyone lies as you and Gregory House seem to think that they do.
Originally Posted by XB70
(Notice I DID NOT ask how much your wife weighs.)
Thread Starter
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Elder User
Joined: May 2008
Posts: 550
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From: Sioux City, IA
Why don't you just quit posting to this thread? You're not aiding to the topic.
Post Fiend
Joined: Oct 2005
Posts: 10,626
Likes: 7
From: Plano TX and Brentwood TN
Both of those variables can cancel each other out depending on what is being done with regard to both of them.
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Senior User
Joined: Jul 2006
Posts: 189
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From: Manitoba,Canada
If you go to fuelly.com Browse All Ford F-350 Super Dutys | FuellyYou can see the guys with 2011 avg mpg are between 13 and 14 and 2010 are between 16 and 11 2006 are between 12 and 18 these are just everyday people entering there fuelling on a website
Freshman User
Joined: Dec 2010
Posts: 49
Likes: 0
I think there are many factors that could influence your MPG's, alot of them have already been said. What hasnt been said is stuff that could be fixed by regularly scheduled maintenance, Fuel filter, air filter, oil filter, your oil itself.
It could also have to do with your tires, how big, how wide, your rims could affect it some.
Where you live, humidity, wind.
I live in south Texas where the humidity is always high (normally above 80%), i drive an 05' F-250 4" lift 35" nitto mud grapplers on 20" rims, egr delete, 5" MBRP from turbo back exhaust, and SCT X3 programmer and average about 14 MPG
In my unprofessional opinion i would say it mainly has to do with the truck
It could also have to do with your tires, how big, how wide, your rims could affect it some.
Where you live, humidity, wind.
I live in south Texas where the humidity is always high (normally above 80%), i drive an 05' F-250 4" lift 35" nitto mud grapplers on 20" rims, egr delete, 5" MBRP from turbo back exhaust, and SCT X3 programmer and average about 14 MPG
In my unprofessional opinion i would say it mainly has to do with the truck
Lead Driver
Joined: Oct 2010
Posts: 5,420
Likes: 16
From: Ouray, CO
There are so many variables that come into play with regard to MPG calculation. Not just the environment, how you drive, but the actual build of the truck plays an important part. I wouldn't worry about what other people are getting. If you are consistently getting X and you aren't seeing, hearing, feeling etc any issue(s) then don't worry about it. Now if the MPG goes down from that then I would think that there is something going on.
x2
Also remember the 6.0 is in lots of different vehicle types: 2wd vs 4wd and your gear ratio, Excursion vs. F250/F350 etc. Single vs. Dual rear wheels. etc. etc.
This past weekend "Trucks" ran show on an old Dodge - "how to improve mileage". They changed the tires, fluids, rear end, gears, etc. They went from 9 to 16mpg.
But they didn't say what they spent. So what is the return on that investment? Same with making your own bio-fuel cost of material plus time. If you like it as a hobby and own a McDs franchise maybe that makes cents/scents then.
Senior User
Joined: Jul 2005
Posts: 449
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Sorry, all I have are data comments, no funny stuff, but here goes: due to retirement and a pesky injury, my driving has been confined to "in-town" for the most part. That has netted me 16.5 mpg for the most part, a bit better depending on the wind, I guess. Today, I went to Phoenix and back, kept it at 75 for the most part and got 19.7 mpgs...but I paid 4.19 a gallon for the good Chevron stuff! When I got back, I wanted to track mileage with no in-town influence, so I filled up at Frys grocery store: 55 cents a gallon cheaper!! An old rancher was there, he drives a bit extra to get the Fry's diesel, both of us using Diesel Kleen, so I think it will work. I have been alternating Chevron diesel and Frys, but at these prices Frys will rule now.
I was pleasantly surprised by my mileage, I know my bed cover does help some also...and I think the 6.0 gets better with age, when well cared for.
I was pleasantly surprised by my mileage, I know my bed cover does help some also...and I think the 6.0 gets better with age, when well cared for.
New User
Joined: Jan 2011
Posts: 5
Likes: 0
From: Nebraska
My MPG is around 15 in my F250 SD Power stroke 6.4, I have not had it during the summer but I hope it goes up when the summer blend diesel gets here.
I sure wish it would hurry up. Can anyone tell me about when they start selling it in the midwest?
I sure wish it would hurry up. Can anyone tell me about when they start selling it in the midwest?
Thread Starter
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Elder User
Joined: May 2008
Posts: 550
Likes: 0
From: Sioux City, IA
My last tank I kept the RPMs under 2000 and tried to let off the peddle as soon as possible when coming to stop lights and stop signs. And tried to coast as often as possible. And took the least stop and go route to and from work. And hardly ever idled (I normally idle alot for work). Here's my results:
My scangauge II said I needed 27.1 gallons in the 'Fillup' command. When the pump automatically shutoff I calculated my milage using that number and it was around 14.5 MPG. I then continued to fill the tank up to 27.1 gallons until the pump stopped at $100 and 25.?? gallons. The milage then calculated out to 12.7 MPG. I then reinserted my credit card and kept pumping to 27.1 gallons. At 27.1 gallons my MPG was 12.0.
My hypothesis:
Nobody really knows what they are getting for MPG. Anyone at anytime could have stopped their pump at any of the three times I mentioned or anytime in between or even kept pumping in more fuel. So everybody's MPG is always going to vary. But I still don't get how people are getting 15-16 in town and 20-22 highway. I couldn't have driven my truck any nicer and I still ended up at the 12 MPG my calculations have averaged since owning the truck.
My scangauge II said I needed 27.1 gallons in the 'Fillup' command. When the pump automatically shutoff I calculated my milage using that number and it was around 14.5 MPG. I then continued to fill the tank up to 27.1 gallons until the pump stopped at $100 and 25.?? gallons. The milage then calculated out to 12.7 MPG. I then reinserted my credit card and kept pumping to 27.1 gallons. At 27.1 gallons my MPG was 12.0.
My hypothesis:
Nobody really knows what they are getting for MPG. Anyone at anytime could have stopped their pump at any of the three times I mentioned or anytime in between or even kept pumping in more fuel. So everybody's MPG is always going to vary. But I still don't get how people are getting 15-16 in town and 20-22 highway. I couldn't have driven my truck any nicer and I still ended up at the 12 MPG my calculations have averaged since owning the truck.
Posting Guru
Joined: Mar 2003
Posts: 1,521
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First off I want to state that I am not complaining about my fuel milage. I bought my truck to pull trailers not for fuel milage.
I just don't get why there is such a big difference between everybody's fuel milage on the forum. In relation to highway MPG, you see guys on here getting in the 20s and guys on here getting around 14-15. I just don't get it. The best I've ever gotten in my stock 05 CC F-250 6.0 Fx4 was 15 on a 55 MPH highway on relatively flat grade in Minnesota on a calm summers day and the MPG was hand calculated. BTW - It was just the truck, myself, my wife, an infant and a little luggage. But I've seen guys on here with the same exact truck and similar loading conditions say they get in the 20s.
FYI - I always use white or gray bottle diesel additive at every tank.
Is there a good reason for this besides the generic answers of (1) everybody has different driving habits, (2) it depends on how you fill the tank up, (3) you might have bad fuel, etc?
(1) I've tried all different kinds of driving styles and the MPG always stays the same.
(2) I always fill the tank the same way. Fill it until the nozzle stops and then add about another gallon.
(3) I've tried multiple different stations and the MPG always stays the same.
I just don't get the massive difference between everybody. My buddies with gas trucks all claim to get about the same. Is it just diesel trucks that are this way?
Or are us guys that only get 15 MPG (highway) have problems with our trucks that need addressing?
FYI - My brakes aren't sticking either, just replaced those (rotors, pads, calipers) and MPG didn't change.
When I hear about stock trucks getting in the 20s, I just start to worry that maybe mine needs some kind of tuneup or something.
Sorry for being long-winded.
Mike
I just don't get why there is such a big difference between everybody's fuel milage on the forum. In relation to highway MPG, you see guys on here getting in the 20s and guys on here getting around 14-15. I just don't get it. The best I've ever gotten in my stock 05 CC F-250 6.0 Fx4 was 15 on a 55 MPH highway on relatively flat grade in Minnesota on a calm summers day and the MPG was hand calculated. BTW - It was just the truck, myself, my wife, an infant and a little luggage. But I've seen guys on here with the same exact truck and similar loading conditions say they get in the 20s.
FYI - I always use white or gray bottle diesel additive at every tank.
Is there a good reason for this besides the generic answers of (1) everybody has different driving habits, (2) it depends on how you fill the tank up, (3) you might have bad fuel, etc?
(1) I've tried all different kinds of driving styles and the MPG always stays the same.
(2) I always fill the tank the same way. Fill it until the nozzle stops and then add about another gallon.
(3) I've tried multiple different stations and the MPG always stays the same.
I just don't get the massive difference between everybody. My buddies with gas trucks all claim to get about the same. Is it just diesel trucks that are this way?
Or are us guys that only get 15 MPG (highway) have problems with our trucks that need addressing?
FYI - My brakes aren't sticking either, just replaced those (rotors, pads, calipers) and MPG didn't change.
When I hear about stock trucks getting in the 20s, I just start to worry that maybe mine needs some kind of tuneup or something.
Sorry for being long-winded.
Mike