fuel mileage - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 13 (permalink) Old 08-07-2007, 01:01 AM Thread Starter
 
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fuel mileage

I have a 2001 Ford F-250 7.3 powerstroke and I total it last year but I got it redone before the wreck I got about 18mpg now I get about 16mpg the truck was still running after I hit the other car but any way what is some of the things I can look for to get my mileage back?
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post #2 of 13 (permalink) Old 08-07-2007, 01:52 AM
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resist the urge to floor it... you will find that is one of the biggest factors, one of the cheapest as well. other than that, just your standard open element intake, exhaust, and maybe a good econo tune. some guys are getting decent MPG gains from adding an ounce of 2 stroke ashless oil to one gallon of #2. use the cruise and resist the urge to mash it, and you will see your numbers go up.

early '99 converted to late '99 F-350 dually, 4x4, 4 door, long bed, 6 speed. Midwest transmissions 05+ zf-6 transmission with their short throw shifter and SB clutch. Rosewood 180cc with 80% nozzles, Termy modded 17* HPOP, International bellowed up pipes, fs-2500, DP Tunes. A few other things here and there...
dually club member.. Why replace 5 tires when you can replace seven? I like my training wheels...
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post #3 of 13 (permalink) Old 08-07-2007, 01:58 AM Thread Starter
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thanks for the info but I just like to know why I got 18 before the wreck and now only 16 and I drive the same and by the way the truck is stock and it was stock before the wreck also.
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post #4 of 13 (permalink) Old 08-07-2007, 02:04 AM
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oh sorry, how bad did you wreck it?

early '99 converted to late '99 F-350 dually, 4x4, 4 door, long bed, 6 speed. Midwest transmissions 05+ zf-6 transmission with their short throw shifter and SB clutch. Rosewood 180cc with 80% nozzles, Termy modded 17* HPOP, International bellowed up pipes, fs-2500, DP Tunes. A few other things here and there...
dually club member.. Why replace 5 tires when you can replace seven? I like my training wheels...
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post #5 of 13 (permalink) Old 08-07-2007, 02:31 AM Thread Starter
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yes very much so but it is like new now it was total and I bought it back only because I know to truck and it was still running after I wreck it and total the other car out and I stop in the ditch after hitting a tree and taking the front wheel off it was not good but it is all ok now but my mpg is down alittle bit then what it was before the wreck.
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post #6 of 13 (permalink) Old 08-07-2007, 02:55 AM
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your alignment could be off a little causing extra friction

Ross
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post #7 of 13 (permalink) Old 08-07-2007, 03:13 AM
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ouch... many different things could be to blame, but it could just be that although is is like new now, it was still totaled at one point... thats beyond my expertise.

early '99 converted to late '99 F-350 dually, 4x4, 4 door, long bed, 6 speed. Midwest transmissions 05+ zf-6 transmission with their short throw shifter and SB clutch. Rosewood 180cc with 80% nozzles, Termy modded 17* HPOP, International bellowed up pipes, fs-2500, DP Tunes. A few other things here and there...
dually club member.. Why replace 5 tires when you can replace seven? I like my training wheels...
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post #8 of 13 (permalink) Old 08-07-2007, 03:18 AM
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Maybe its because all of your sentences are 60 word run-ons and nobody can read wtf you're saying?



I'd bet your frame isn't true, and you're dog legging/scrubbing/scraping down the road just enough to knock a few mpg off. 16 to 18 could be seasonal variation in diesel fuel, your fuel filter status, or hundreds of other factors.

Unless you fill the fuel until you can see it to the exact same spot in the filler neck every single time with no air trapped anywhere, you're going to get some variations. Are you running the same diameter tire? width? tire pressure? tread pattern? alignment?

Take an average over a few months to see if its improving or decreasing. This is almost within the margin of error of calculation.

Paul

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post #9 of 13 (permalink) Old 08-07-2007, 03:22 AM
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paul was a little more descriptive with it, but that is my vote too...

early '99 converted to late '99 F-350 dually, 4x4, 4 door, long bed, 6 speed. Midwest transmissions 05+ zf-6 transmission with their short throw shifter and SB clutch. Rosewood 180cc with 80% nozzles, Termy modded 17* HPOP, International bellowed up pipes, fs-2500, DP Tunes. A few other things here and there...
dually club member.. Why replace 5 tires when you can replace seven? I like my training wheels...
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post #10 of 13 (permalink) Old 08-07-2007, 04:10 PM Thread Starter
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Talking

Thanks for all the help.

First of all Paulkeith sorry I'm not as good as you but thanks for you help.
On what I done try yes I full my truck all the times to the top untill it can't hold any more.
It was on a frame machine and it was good.
I took it and drove it from a pave road off on to sand to see if I was tracking and it look good.
I was getting my fuel from one place but I have try others now and when I do my mpg it is full all the way to the top and it is done with a pen and a paper.
And last the front end was aline but all I can say about that is the tires are at the right pressure and they are not wearing out they are looking good to me.

But if any thing some thing I miss please let me know thanks for all the help.
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