17mpg?
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17mpg?
on my last rip i got 17 mpg. does this sound right? 425 miles to the tank. and i have a short bed. so i am doing to guess that i have the 25gallon tank. that makes 17mpg. is the tank size right for a 99 psd shortbed?
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From: michigan
BEANO. hi I have no problem getting 500 miles out of my truck on 25 gallons of fuel. I have a 2001 f-350 4x4 auto trans.the key to this kinda milage is keeping rpms at about 1850-1900, when I go over that milage will drop. at those rpms I cruise at 65 mph, if I go to 75mph it drops down to about 17 mpg. 01psd
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From: Carhenge
I think it is 28 gallons bone dry for the shortbed, and 38 gallons for the longbed.
17 is what get on summer fuel, mixed driving.
17 is what get on summer fuel, mixed driving.
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From: Carhenge
Originally Posted by beano
well if its a 28 gallon tank i am getting a little over 15mpgs. would an air dam help out?
I'd say 15 is pretty typical for winter fuel. Can't comment on the air dam idea.
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From: Central WA USA
Just curious, why does it really matter what size tank you have, unless you run the vehicle dry and start with a known quantity of fuel in the tank? I check mileage by filling up, drive for hundreds of miles then count the numbers of gallons put in to refuel and then do the appropriate math. And to get a better idea yet, I do that process over several tanks of fuel and average the results out. But yes the long bed is 38 gal and I think 28 sounds right for a shortbed. Winter fuel here takes about 1-1.5 mpg off. I've been getting 16.8 lately, but had 17 when I drove a bit slower.
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From: Peshastin, Wa.
Originally Posted by ColtM4
Just curious, why does it really matter what size tank you have, unless you run the vehicle dry and start with a known quantity of fuel in the tank? I check mileage by filling up, drive for hundreds of miles then count the numbers of gallons put in to refuel and then do the appropriate math. And to get a better idea yet, I do that process over several tanks of fuel and average the results out. But yes the long bed is 38 gal and I think 28 sounds right for a shortbed. Winter fuel here takes about 1-1.5 mpg off. I've been getting 16.8 lately, but had 17 when I drove a bit slower.
Last edited by Saguaro_7.3; Feb 7, 2005 at 07:35 PM.
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Originally Posted by Saguaro_7.3
Exactly. Doesn't make a difference what size the tank is - fill it up, write down the mileage or hit the trip meter and run it as long as you want, fill it back up and make a note of the gallons you just put in. Do the math and that's your mileage.