Speed vs. MPG - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 07-23-2006, 02:15 PM Thread Starter
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Speed vs. MPG

Last week I decided to try slowing down on my way to work I drive 25 miles a day all highway. Anyway normally I get betwen 17-18 mpg going 70-75 mph.Last week set the cruise control at 55 everyday about 1800rpm it really didn't make a difference I still got about 17.6 mpg not that I am complaining I think that is pretty fair. Would anyone be able to tell me my axle ratio on the sticker in the door jam under axel it says 35. thanks
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post #2 of 7 Old 07-23-2006, 02:18 PM
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Originally Posted by longjohn73
Last week I decided to try slowing down on my way to work I drive 25 miles a day all highway. Anyway normally I get betwen 17-18 mpg going 70-75 mph.Last week set the cruise control at 55 everyday about 1800rpm it really didn't make a difference I still got about 17.6 mpg not that I am complaining I think that is pretty fair. Would anyone be able to tell me my axle ratio on the sticker in the door jam under axel it says 35. thanks
you have to look on the tag of the truck......

it will either say...just using a 3.73 as an example......3 73 or 3L 73.....
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post #3 of 7 Old 07-23-2006, 06:24 PM
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I would think you have 4:10's like me. Last time I checked I was making about 18 mpg's.
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post #4 of 7 Old 07-26-2006, 06:40 PM
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About the same here.....

1997 XLT Lariat F-350 4x4 CC L/B Auto Offroad Pkg Camper Pkg 250,xxx
Superchips,Afe stage 2,3"d.p.,no cat, no muff,Mag-Hytec tranny and diffs, ISSPRO gauges, on board air
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post #5 of 7 Old 07-26-2006, 06:42 PM
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I think code 35 is for 4.10's with a capacity of 6250#. at least that's what that code was for a 1991 model, not sure if it will be the same for yours

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post #6 of 7 Old 07-26-2006, 08:42 PM
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22mpg from Dallas to Destin, decided to fill up again once I got 700 miles out of my two tanks. Running open air intake and open exhaust from turbo back, took the fan off (no cooling issues so far), front tire pressure 65, rear tire pressure 70. Try to stay right at 1900 RPM's(70-72mph).
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post #7 of 7 Old 07-29-2006, 12:10 AM
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hey guys im new here so bear with me . i was getting 12-16 on hwy and 9s city. but i dont know if i did something wrong but i installed a turbotronic ball buster 93mm turbo then i set my edge to extreme and know im getting 18-22hwy and 16-19 city i have a 5 '' exhuast from turbo end to tail pipe also volant cold air intake. its 2002 4x4 38,000mile crew cab (wifes truck) also i picked up my 38' toybox fifth wheel and i was getting 19hwy now i know im reading the factory monitor but man that tank just doesnt seem to be going empty. also i have the bd transmission and full gauges egt, boost, trans temp,

Last edited by gemiller; 07-29-2006 at 12:14 AM.
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