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How bad is your fuel mileage while towing?

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  #11  
Old 07-06-2007 | 01:13 PM
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gtxpooch
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Default RE: How bad is your fuel mileage while towing?

I've heard that those overhead readingsare useless.
You got that right!!


I hand calculate every fillup, the lie-o-meter has only been close once!
 
  #12  
Old 07-06-2007 | 01:37 PM
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Default RE: How bad is your fuel mileage while towing?

I just filled up and got 15mpg pulling about 9k through some big hills and steep grades.
 
  #13  
Old 07-06-2007 | 03:11 PM
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Default RE: How bad is your fuel mileage while towing?

I get 13-14 hand calculated pulling 2 place horse trailer at 60-70 mph. I have about 5200 miles on mine. Unless your racing up Pikes Peak I would say something might be wrong. I took it easy for the first 750 or so like these guys said to, then let her rip.
 
  #14  
Old 07-06-2007 | 04:47 PM
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Default RE: How bad is your fuel mileage while towing?

generaly anything below 10K on these engines and you cannot get an accurate measure of fuel mileage.
I have 15K on mine, will be towing again this weekend and see what happens.
 
  #15  
Old 07-06-2007 | 06:30 PM
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Default RE: How bad is your fuel mileage while towing?

i have 18k on mine and while pulling 20,000 lbs i get about 16-18 mpg
 
  #16  
Old 07-06-2007 | 06:35 PM
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Default RE: How bad is your fuel mileage while towing?

not sure what i would get towing but i just went on a 400 mile round trip 2 weeks ago and i got 13-14 mpg unloaded. going around 70-80 mph without a led foot (mostly cruise control).... i got about 18k on my truck and i have a straight thru exhaust, clean air filter, and i use the brew......our truck's must be lemon's!

 
  #17  
Old 07-06-2007 | 06:40 PM
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Default RE: How bad is your fuel mileage while towing?

I only get 10 to 11 w/ my car and trailer .
Is that bad.
And yes I put my foot in it.
I drive 60 to 70 on way to the track.
 
  #18  
Old 07-06-2007 | 07:26 PM
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Default RE: How bad is your fuel mileage while towing?

12MPG at 12k at 65-70 MPH. Anything over 70MPH and the mileage drops like a rock.
 
  #19  
Old 07-07-2007 | 12:21 AM
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Default RE: How bad is your fuel mileage while towing?

mine were hand calculated numbers, because the computer consistently lies by about 2-3mpg.

Out of curiousity, does anyone know why? or has anyone ever addressed fixing this?
the issue would have to be with however it reads and/or computes fuel consumption, because the trip odometer is consistantly dead on with the one on the dash. Would be real slick if the thing was actually right, I miht not have gotten myself in such a close predicament coming up here when it said I had a lot more miles "DTE" than I actually did. Luckily someone built a fuel station in the middle of nowhere for me!
 
  #20  
Old 07-07-2007 | 01:19 AM
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Default RE: How bad is your fuel mileage while towing?

I got about 10-12 pulling to Cedar City, UTthen 8 going to Oregon empty I get 15-17. My overhead has been right every time.
 


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