Fuel Range Question
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Freshman User
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Fuel Range Question
Does 525 miles off of both tanks (17 and 19 gal, so I have been told) sound right for an 87 F250, 6.9, 4spd, with a 4.10 rear end (again, so I have been told on this forum)?? This was running the truck at about 60mph, turning approx 2700 rpm with the a/c going. This calculates out to 14.6mpg. Does this truck sound like it's doing about right to ya'll??
Thanks!
Thanks!
Posting Guru
Joined: Aug 2006
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From: Kent WA
Originally Posted by kf4hoq
Does 525 miles off of both tanks (17 and 19 gal, so I have been told) sound right for an 87 F250, 6.9, 4spd, with a 4.10 rear end (again, so I have been told on this forum)?? This was running the truck at about 60mph, turning approx 2700 rpm with the a/c going. This calculates out to 14.6mpg. Does this truck sound like it's doing about right to ya'll??
Thanks!
Thanks!
I don't know the answers, but I know at least some of the questions the guys who DO know will want to ask - so I'm padding my post count by asking for them
Freshman User
Joined: Nov 2005
Posts: 39
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From: Memphis TN
The capacity of the tanks isn't really the question, its how much fuel it took to fill them up after you drove said distance. I get 17.25 mpg consistently about town and fill up after about 460 miles, putting about 27 gallons in. According to the manual for my 91, the tanks hold 19 in the front and 18.2 in the rear. In my old truck I'd start sucking air with 5 gallons still in them, so I switch or fill up early out of habit. If you are getting 14.6 mpg with a 4 speed and 4:10's that's not bad at all.
Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
I am getting about 11 or 12 average.
Mountains, almost never an empty truck bed, drive 75 or more on the interstate.
The only way to check mileage is fill the tanks, write the mileage down.
The next time you fill up write down the mileage and gallons used, divide miles by gallons, answer is your MPG for that tank.
So many variables come into play on MPG that it is a good idea to average several tanks worth of MPG to get an average MPG.
I use my truck for business, I wrote a spreadsheet to keep track of fuel milage and repair costs per mile.
Over the last ten years my total operating costs are 40.03 cents per mile.
16 cents per mile of that was for fuel.
24 cents per mile for repairs, tires and all the other expenses.
Hard to believe there is a motor rebuild, a turbo, and a Dana 60 front axle in that repair number.
Since Jan. 1 1996 to today I have spent $46,271.96 to operate my truck.
Mountains, almost never an empty truck bed, drive 75 or more on the interstate.
The only way to check mileage is fill the tanks, write the mileage down.
The next time you fill up write down the mileage and gallons used, divide miles by gallons, answer is your MPG for that tank.
So many variables come into play on MPG that it is a good idea to average several tanks worth of MPG to get an average MPG.
I use my truck for business, I wrote a spreadsheet to keep track of fuel milage and repair costs per mile.
Over the last ten years my total operating costs are 40.03 cents per mile.
16 cents per mile of that was for fuel.
24 cents per mile for repairs, tires and all the other expenses.
Hard to believe there is a motor rebuild, a turbo, and a Dana 60 front axle in that repair number.
Since Jan. 1 1996 to today I have spent $46,271.96 to operate my truck.
