gas mileage question
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New User
Joined: Apr 2004
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gas mileage question
I've got a 92 4x4 f250 king cab, long bed diesel. I bought the truck about a month ago. The guy I bought the truck from works with me and he says that he was getting between 18-19 mpg. He checked it constantly. I've checked it twice since I've bought it and I'm only getting 13mpg. What is everybody else getting and where should I start looking first. Thanks
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
You could get 18 if you drove like you were 90.
Take off from stops very slowly, shift early, drive 45 MPH. Also living in flat country would be a plus as well as living in the country versus the city.
I live in a city, drive 75, and live in the WV mountains. I also haul and tow big loads. I am getting 11.5 average MPG.
Take off from stops very slowly, shift early, drive 45 MPH. Also living in flat country would be a plus as well as living in the country versus the city.
I live in a city, drive 75, and live in the WV mountains. I also haul and tow big loads. I am getting 11.5 average MPG.
Freshman User
Joined: May 2004
Posts: 25
Likes: 0
From: Texas
My 7.3L turbo diesel is getting 1 to 13 MPG commuting, about half city half highway driving. 176K miles on it. I haven't done anything to it yet (just got it) but will be tweaking things and checking for wear and such. I was hoping for maybe 15mpg, but will see if a little work and fiddling can help that. I put four new commercial tires on it too, that shoulk help a very small bit.
Junior User
Joined: Feb 2004
Posts: 53
Likes: 0
From: The Gorge, Oregon
E40d / 4.10's 90'supercab 4x4.
I'll join in...
In town driving around 13.something. On the freeway 17.2 mpg on a 400 mile round trip. 64-67 mph.
Our numbers here are way better then a gasser.. My 460 never saw 12mpg..
That's almost a 50% increase in mpg for me. This certainly pays for my oil & air filter changes. Empty the 460 was sure fast though..
With fuel prices this high, the diesel rocks...
In town driving around 13.something. On the freeway 17.2 mpg on a 400 mile round trip. 64-67 mph.
Our numbers here are way better then a gasser.. My 460 never saw 12mpg..
That's almost a 50% increase in mpg for me. This certainly pays for my oil & air filter changes. Empty the 460 was sure fast though..
With fuel prices this high, the diesel rocks...
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Elder User
Joined: Nov 2002
Posts: 526
Likes: 0
From: Spokane WA
Sorry to say bigsquirt,
But I have a 460. I was getting 15 mpg on the hi way with a rv cam and all else stock.
I rebuilt it after throwing a rod, and get 11 to 13. I was looking here to see if the pre 94 diesels did that much better but it doesn't look like it. I am still fine tuning mine and hope to get a little better
If you look on the 460 gasser disscusion group you will find several 460's getting close to 15mpg
But I have a 460. I was getting 15 mpg on the hi way with a rv cam and all else stock.
I rebuilt it after throwing a rod, and get 11 to 13. I was looking here to see if the pre 94 diesels did that much better but it doesn't look like it. I am still fine tuning mine and hope to get a little better
If you look on the 460 gasser disscusion group you will find several 460's getting close to 15mpg
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Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
So,
If I get 15 MPG at 2.15 a gallon gas it = .143 cents per mile
If I get 12 MPG at 1.79 a gallon diesel it = .149 cents per mile
And I am averaging 11.5 with half my miles grossing 20,000 pounds in the WV mountains.
What does that 460 get with 12,000 pounds of trailer behind it?
If I get 15 MPG at 2.15 a gallon gas it = .143 cents per mile
If I get 12 MPG at 1.79 a gallon diesel it = .149 cents per mile
And I am averaging 11.5 with half my miles grossing 20,000 pounds in the WV mountains.
What does that 460 get with 12,000 pounds of trailer behind it?
Junior User
Joined: Feb 2004
Posts: 53
Likes: 0
From: The Gorge, Oregon
You don't have to be sorry...?
I think that's great about your 460 mpg's..
In general 460 3/4 t trucks get between 9-12mpg on the freeway empty here.
Out here in the PNW we go from sea level up to mountain pass levels 1800-5K ft within 60 miles. So another words it sounds like if 460's can get 15 where you live, maybe I can get... ? Who knows.
Anytime anyone post's about mpg's remember we all drive in different enviroments, so don't get too excited about it.
Good Luck either way.
I think that's great about your 460 mpg's..
In general 460 3/4 t trucks get between 9-12mpg on the freeway empty here.
Out here in the PNW we go from sea level up to mountain pass levels 1800-5K ft within 60 miles. So another words it sounds like if 460's can get 15 where you live, maybe I can get... ? Who knows.
Anytime anyone post's about mpg's remember we all drive in different enviroments, so don't get too excited about it.
Good Luck either way.
New User
Joined: Apr 2004
Posts: 7
Likes: 0
From: Kitscoty, Alberta, Canada
My '91 7.3 was getting 19 m/g which is 16 m/g US before I rebuilt the torque converter & tranny. NOW I get 23 m/g which is 19 m/g US. This is the BEST case.... NO load and all hyway driving. When I check the milage going bact & forth to work (10 miles hyway) it dropps off 3 m/g!
Last edited by Scouter; Jun 8, 2004 at 09:45 AM.