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Old 05-08-2007, 06:22 PM
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Crazy MPH

I have a 1995 F250 4X4 with 410 gears. I took a trip Sunday before last and drove 262 miles. I drove 65 mph which was about 2200 rpm. Checked my milage the next morning and got 15.7 mpg. I didn't think that was too bad. Well I have just driven in town back and forth to work and put 99 miles on and filled up because I thought diesel was going to go up ($2.82). I put 5.8 gal. in for 17 mpg. Is that crazy or what? All in town driving. I did run some additive through the tank on the trip, but I still thanks its crazy. When driving around town I just putter 1500 rpm or less. CRAZY
Dale
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Old 05-08-2007, 06:28 PM
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What readings do you think are off?
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Old 05-08-2007, 06:31 PM
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lower rpms will help mpg as long as your not stop/go traffic.

I can run around 17 in mine with 4.10's at 70 mph (2400 rpm) But it is hard cause my foot and the go pedal have a great relationship.

Also unless you completely top off you might not be getting the same amount of fuel in the tank everytime. Just a thought.
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Old 05-08-2007, 06:35 PM
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think that the obs trucks get better mileage than superduties.

I believe its cause they got single shot sticks. Not as much power but it burns more efficiently.
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Old 05-08-2007, 06:44 PM
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Well it is no big deal to fill up. Each time I fill up I put as much as I can in the tank. Just top it off until you can't get any more in, then I believe its full. Then check how many miles you have been and divide. Did I do something wrong?
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Old 05-08-2007, 06:47 PM
Thats Mr. Oil Leak.....

 

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Nope. that's how I check mine, but the way diesel foams sometimes it kinda hard to know it is "full" ya know.
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Old 05-08-2007, 06:48 PM
Thats Mr. Oil Leak.....

 

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I just realized you are from Pampa. You don't work for an oil company do you?
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Old 05-08-2007, 06:50 PM
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No but I am in the auto sales business. Where are you from?
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Old 05-08-2007, 06:52 PM
Thats Mr. Oil Leak.....

 

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Houston area originally, D/FW now, but the company I work for (FMC) has a shop up there, just curious.
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Old 05-08-2007, 07:33 PM
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I think his numbers are entirely possible. My truck is the same year, engine, and gears. I have had it on two road trips and averaged 18mpg on both trips. I get about 15 around town and would prolly do better if I could keep my right foot out of it.
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