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

Mileage Update

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Old Mar 10, 2008 | 07:48 PM
  #1  
jim6090's Avatar
jim6090
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From: Raleigh NC
Mileage Update

Drove 1000 miles this weekend. 14 MPG hand calculated. I din't hink that was too bad. Big difference between 65MPH and 80 MPH!!!

3.73 F-250 Crew
 
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Old Mar 10, 2008 | 09:08 PM
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I find if I keep the cruise control on 65 mph I get about 17 on the highway. All you have to is let your right foot get into it a little bit and mpg drops like a rock. I've read other posts that say keeping the boost at 10 and under makes a big difference with mpg's, and my experience says that they are right.
 
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Old Mar 17, 2008 | 10:39 PM
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08SuperDuty
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How do you keep the boost low? Excuse my ignorance, this is my first turbo.
 
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Old Mar 17, 2008 | 11:17 PM
  #4  
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kawtiper
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From: in front of this PC
turn ignition counter clock wise as far as it will go. that is the only I have found
 
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Old Mar 18, 2008 | 10:28 AM
  #5  
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Boaz66
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LOL!!! I agree turn the key off. You need to be real sensitive with your right foot and watch the RPM"s and the Boost Pressure. At times I have felt like I was going to get run over doing this. Just shut up and drive and pay the price of diesel.
 
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Old Mar 18, 2008 | 10:34 AM
  #6  
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mollikate
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From: Fort Valley,GA
I have heard the guys on the 7.3 forum talking about adding 2-stroke oil to your tank and picking up 1-2 mpg.
 
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Old Mar 18, 2008 | 08:55 PM
  #7  
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bikerdei
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From: Tidewater,VA
Originally Posted by mollikate
I have heard the guys on the 7.3 forum talking about adding 2-stroke oil to your tank and picking up 1-2 mpg.
OIL = soot=dead DPF. Don't do this with a DPF engine unless you want to clog DPF up.
 
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