what kind of mpgs can i expect - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 08-16-2009, 07:34 AM Thread Starter
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what kind of mpgs can i expect

hi i have owned several diesel trucks cummins ,duramax,6.0 powerstrokes but this is my first 7.3.its a 00 f250 ext cab long box 373 gears 120000 miles. my ? is i live michigan and i am going to haul a car to ga for a buddy of mine.i trying figure out how muck fuel i am going to use.car trailer and a 87 monte ss down there and just the trailer on the way back its about 800 miles one way.thanks
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post #2 of 11 Old 08-16-2009, 11:05 AM
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Standard or auto?

I have a 99 and pulling a 20 lowboy gooseneck empty got 14.3 mpg, pulling that loaded about 6k-7k back got about 11.5. That was completly stock and with a standard 3.73 gears. 70 mph

depends on tranny, mods, driving habits.

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250/100s



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post #3 of 11 Old 08-16-2009, 11:59 AM Thread Starter
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Stock everything auto trans
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post #4 of 11 Old 08-16-2009, 12:13 PM
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Dont know about the auto trans. Maybe someone will chime in that knows.

Southern lights!!!

My big truck Early 99
(Currently trying to unfinance!)

Foil delete!!
5" SS Magnablows Straight Pipe
Adrenaline HPOP!
AFE Stage II w/Progaurd 7!!!
D66 Turbo
Autometer Guages
Beans 6po chip
250/100s



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post #5 of 11 Old 08-16-2009, 01:15 PM
Other vehicle is an F250
 
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I get 14 or so normally and would expect to get 10-11 pulling a car/trailer. Will know for sure in a month or so. Supposed to haul a friends jag 250 miles.

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post #6 of 11 Old 08-16-2009, 02:10 PM
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with us pullin a 8k lb fifth wheel i figured it to about 8 or so. 10 in the higher altitudes? but i've got the 4.10 rear end
guess i should say too that i get about 14-16 depending on if i'm doin 60 or 70. 70 getting 14



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post #7 of 11 Old 08-16-2009, 02:21 PM
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I have a 2000 powerstroke f250 I purchased stock in 2004 I was surprised because my
98 F150 got 14.8 mpg mixed driving. F250 14-15mpg depending how I drive.I added a Cap and
a chip and I now get between 13 -17.5 mpg . This truck at almost 4 tons is almost as
fast as my old sport cars off the line. Mine is an auto.At my age that't what I want when
I was growing up my sports car was 71 formula 400,400 big block, 4 barrel carburetor, Pontiac Fire bird HP ON the floor,bucket seats. This car needed high test fuel and it could
do nothing special but go fast !

71 Formula 400 hp = Cop magnet

Last edited by stetson; 08-16-2009 at 02:26 PM. Reason: sp
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post #8 of 11 Old 08-16-2009, 03:28 PM
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One other thing, the truck is an auto I am glad of that as I done my share of shiftiting.
I am told by others that have had this transmission as long as you service it as it should
be it will last.I have had ne problems.Change fluid every 30k.
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post #9 of 11 Old 08-16-2009, 03:33 PM
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OP expect 13-14 on that trip if not accelarating hard constantly

Email: Dave@powerstroke.org
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post #10 of 11 Old 08-16-2009, 10:24 PM
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I have had my 03 for about 9 months. It has 3.73 rear end and the auto transmission. Normal daily driving was about 15-16 mpg. That is mostly country roads, not a lot of stop and go. I took my boat to Miami this summer, a 23 foot center console, about 650 miles one way. The boat weighs about 6-6.5K pounds and is pretty tall in the wind. At 70-75 mph, I got around 9-10 mpg. After I got home, I decided to run a couple of tanks of fuel trying to get my best economy, keeping the tach below 2000 rpm, and my first tank was a measured 17.59 mpg. So if you keep your foot out of it, you can do pretty well. My sons truck with a tuner, gets about 19 mpg unloaded and 13mpg towing that same boat. YMMV:-)

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