Is this MPG correct?
Thread Starter
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FTE Chapter Leader
Joined: May 2009
Posts: 8,843
Likes: 27
From: Eastern Ky
Is this MPG correct?
I drove 85 miles, kept it under 65mph.....And it was roughly 70/80% city, rural curvy road driving, and roughly 30% straight sections of road, and a few miles of parkway driving...Again, kept it under 65mph....
Filled up for 4.8xx gallons of fuel.....Which equates to 17.708 MPG.....Now, how can this be?
Discuss....
P.S-
The truck has had-
-New Tires
-New brakes front/rear
-Tranny/rear differential fluids changed
-New plugs (Gapped to .44) wires, dizzy cap, etc
-Alignment job, and new steering components from new balljoint to new balljoints...
-Oil change
-Bed tarp added
-Factory hood removed, and a fiberglass one replaced it
-Engine seafoamed 3 times, and added to crankcase
-About 2 bottles of Shell brand injector cleaner per fillup on gas...
And IIRC, every 100lbs, it equates to approx. 1% better fuel economy.....So the hood really helped....which lends me to think I have about the best fuel economy possible out of a 2wd, SCLB combo....With 300/5 speed....
But idk....Gonna test my CAI setup to try to squeeze 1 more mpg out of this lil beast....lol
Filled up for 4.8xx gallons of fuel.....Which equates to 17.708 MPG.....Now, how can this be?
Discuss....
P.S-
The truck has had-
-New Tires
-New brakes front/rear
-Tranny/rear differential fluids changed
-New plugs (Gapped to .44) wires, dizzy cap, etc
-Alignment job, and new steering components from new balljoint to new balljoints...
-Oil change
-Bed tarp added
-Factory hood removed, and a fiberglass one replaced it
-Engine seafoamed 3 times, and added to crankcase
-About 2 bottles of Shell brand injector cleaner per fillup on gas...
And IIRC, every 100lbs, it equates to approx. 1% better fuel economy.....So the hood really helped....which lends me to think I have about the best fuel economy possible out of a 2wd, SCLB combo....With 300/5 speed....
But idk....Gonna test my CAI setup to try to squeeze 1 more mpg out of this lil beast....lol
Thread Starter
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FTE Chapter Leader
Joined: May 2009
Posts: 8,843
Likes: 27
From: Eastern Ky
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Laughing Gas
Joined: Feb 2004
Posts: 1,115
Likes: 13
From: west plains spokane,wa
Mine does something kind of like that. Usually 2-3 times a month I will drive up to our camping/hunting property. I top off when I leave town and fill up when I get there, it's a 65 mile drive station to station, one way-all 55 mph backroads. It takes 4 gallons to fill up when i get there if I fill up as soon as I get there. I know my truck doesn't do quite that well on gas, (93 F250 460 4x4 5spd.) If I let it sit for 30 minutes or so before I refill it I can usually pump in between 5 and 5.5 gal before pump clicks off. Don't know why it does it but it can mess with your mileage calculations. Our gas has the 10% ethanol.
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Elder User
Joined: Apr 2008
Posts: 841
Likes: 1
From: North Carolina
Guess you dont have me beat anymore in the MPG arena. 
But seriously, the further you drive, the more accurate your calculations will be. With so few miles driven, you could have simply gotten more fuel in your tank on the second fill-up.
But seriously, the further you drive, the more accurate your calculations will be. With so few miles driven, you could have simply gotten more fuel in your tank on the second fill-up.
Elder User
Joined: Dec 2010
Posts: 528
Likes: 0
From: Arkansas
I would have to get out the papers but I believe the past few weeks my '94 has been getting 17mpg on e10. 300, E4oD & not sure about the rear end yet. Transmission still shifts hard & late.
I about crapped my pants last night when I was figuring the last 2 weeks mileage up. 31.09mpg. Knew it wasnt possible cause my wife's car only gets 25-28. Then I remembered that I wrote it down in a different place.
I about crapped my pants last night when I was figuring the last 2 weeks mileage up. 31.09mpg. Knew it wasnt possible cause my wife's car only gets 25-28. Then I remembered that I wrote it down in a different place.
Post Fiend
Joined: Jan 2007
Posts: 7,021
Likes: 4
From: Almost Heaven
I used to get 17 mpg driving my truck hard at 80 mph and above. That was with the 3.08 gear and E4OD.
Post Fiend
Joined: Feb 2009
Posts: 8,005
Likes: 7
From: Ottawa, Ontario
That I know to, but E10 doesn't help. Besides, I drive this truck 55mph on the highway nothing over!
And personally I wouldn't trade my C6 for anything else automatic, Ford made nothing but garbage OD auto's back then.
I have the worst highway combo though, 3.55 with C6, pulls like theres no tomorrow, but drinks it's gas.
And personally I wouldn't trade my C6 for anything else automatic, Ford made nothing but garbage OD auto's back then.
I have the worst highway combo though, 3.55 with C6, pulls like theres no tomorrow, but drinks it's gas.
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
I just discovered and fixed a wiring problem that has been causing all sorts of drivability issues with the truck these last few months and the average fuel milage improved from about 12 to 15.8mpg for a combination of city/rural highway driving... and that's from a 5.0. All these trucks should be able to return that kind of milage IMO, as long as you don't have the fuel transfer problem, there are no EFI issues, and the speedo/odometer is accurate for whatever size tires are on the vehicle.