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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

8.4 Mpg

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Old Dec 5, 2007 | 08:31 AM
  #1  
lightonthebay's Avatar
lightonthebay
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Red face 8.4 Mpg

I just drove my '08 F-550 from Denver CO to Helena MT. (800 miles) My fuel consumption computer (in dash) gave me an average 8.4 MPG. There was a significant headwind most of the way. I was traveling on cruise at 70 mph most of the way (never over 75). I kinda wish I was getting the 12 MPGS some of you are complaining about, but "oh well" it is a truck!
 
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Old Dec 5, 2007 | 10:11 AM
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what rear end ratio do you have?
 
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Old Dec 5, 2007 | 10:31 AM
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Talking

Originally Posted by lightonthebay
I just drove my '08 F-550 from Denver CO to Helena MT. (800 miles) My fuel consumption computer (in dash) gave me an average 8.4 MPG. There was a significant headwind most of the way. I was traveling on cruise at 70 mph most of the way (never over 75). I kinda wish I was getting the 12 MPGS some of you are complaining about, but "oh well" it is a truck!
I get 11.5mpg with my F-450 and the lie-o-meter says 9.2mpg, but "oh well" it's big rig oh i mean truck lol.
 
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Old Dec 5, 2007 | 11:19 AM
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WOW , V-10 mileage with the cost and smell of diesel , Sounds good.
 
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Old Dec 5, 2007 | 11:40 AM
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origcharger
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Originally Posted by supeRobertduty
WOW , V-10 mileage with the cost and smell of diesel , Sounds good.

at least they are not also stuck with V10 power, which I don't believe is even available in a truck with the capabilities of the F450 or F550.
 
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Old Dec 5, 2007 | 11:44 AM
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with that milage I would think he has 4.88's. my 450 at 70mph runs 2250 rpms and averages 12. my round town and rural milage is now 13.4 hand cal. with 4.30s. Towing 16650# this summer for over 2000 miles was 8.76 hand calculated.
 

Last edited by firehawk198; Dec 5, 2007 at 11:45 AM. Reason: spelling
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Old Dec 5, 2007 | 01:57 PM
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Diesel smell??? What smell?
 
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Old Dec 5, 2007 | 04:30 PM
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Yeah 4.88's. By the way my '99 V10 gets about 7-8 mpg but they are close in the race to bankrupt me.
 
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Old Dec 5, 2007 | 05:17 PM
  #9  
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Originally Posted by ripnlips
Diesel smell??? What smell?
Ask someone who works any drive thru window ,they might have another view.
 
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Old Dec 5, 2007 | 05:58 PM
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Originally Posted by supeRobertduty
Ask someone who works any drive thru window ,they might have another view.
No smell from the new diesels...if it wasn't for the heat you could stick your nose in the tailpipe and breathe without even noticing.
 
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Old Dec 5, 2007 | 08:26 PM
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My '08 f250 has some odor from exhaust. Not like my '05 did though.
 
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Old Dec 6, 2007 | 08:36 AM
  #12  
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very little odor, smells like a gasser
 
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Old Dec 6, 2007 | 12:56 PM
  #13  
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very little odor, yes. this is my first diesel and i was surprised.
 
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Old Dec 9, 2007 | 02:13 PM
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i also own an f550 dump 165" wb and i was getting around 8 mpg . i thing driving it harder for what ever reason im getting in 9s
 
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Old Dec 9, 2007 | 06:37 PM
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my f550 gets 11 emty and about 5 loaded to 40,000 truck and trailer. i have 4:30 gears
 
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