Sorry, MPG talk.... Let's compare
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New User
Joined: Jul 2006
Posts: 16
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From: AZ
Sorry, MPG talk.... Let's compare
Some diesel drivers (various mfg) claim amazing MPG, IE 20+ MPG. This is backed up by a comparo in one of the Diesel Rags on news stands now. That's great BUT, I just want to know if I'm in the ballpark:
'99 F350 SC 4X4 6spd w/3.73's. 4" lift, 37's, 6637, 4" exhaust, DP 40T, 80E: Regardless of DP tune I select I'm between 13-13.5 around town, 15 max on highway at steady 70 mph. (500 miles round trip at the speed limit to only return 15mpg, I'm speeding from now on!!) Having previously owned a 1/2 ton with a V8 and 35's, I think this MPG is great. Additionally, when I purchased the truck bone stock with the exeption of lift and 33's I got 13 on the hwy at 75 mph, I think I'm doing good.
Is this normal? Are these mileage masters 2WD featherfoots?? I need to know!!!
'99 F350 SC 4X4 6spd w/3.73's. 4" lift, 37's, 6637, 4" exhaust, DP 40T, 80E: Regardless of DP tune I select I'm between 13-13.5 around town, 15 max on highway at steady 70 mph. (500 miles round trip at the speed limit to only return 15mpg, I'm speeding from now on!!) Having previously owned a 1/2 ton with a V8 and 35's, I think this MPG is great. Additionally, when I purchased the truck bone stock with the exeption of lift and 33's I got 13 on the hwy at 75 mph, I think I'm doing good.
Is this normal? Are these mileage masters 2WD featherfoots?? I need to know!!!
Senior User
Joined: Apr 2008
Posts: 267
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From: Fredericksburg, Va
I am pulling 22+ since I put in the 80E PCM two weekends ago, 65% highway @ 65mph, rest around town..
I reset it when I got on the highway for the first time, I swear I was pulling 26+ mpg, full tank of gas, 65mph on cruise control... Will attempt this again sometime soon, kinda hard to get on a highway around here without sitting in traffic. That 22mpg I have now included 2 hours sitting in Friday afternoon traffic last week!
I reset it when I got on the highway for the first time, I swear I was pulling 26+ mpg, full tank of gas, 65mph on cruise control... Will attempt this again sometime soon, kinda hard to get on a highway around here without sitting in traffic. That 22mpg I have now included 2 hours sitting in Friday afternoon traffic last week!
Gone, but not forgotten
Joined: Oct 2005
Posts: 5,026
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From: Charlotte-Fairbanks-Bflo
So true, I can hit 24 mpg hwy and do 20-21 city all day long. Real glad I outgrew my 4 x 4 days. Y'all will too eventually.
Of the next Riffraff East
Joined: Oct 2004
Posts: 8,679
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From: Concord NC
I hope that don't mean you are relaying on that lie-o-meter on your overhead console.
Gone, but not forgotten
Joined: Oct 2005
Posts: 5,026
Likes: 2
From: Charlotte-Fairbanks-Bflo
I am pulling 22+ since I put in the 80E PCM two weekends ago, 65% highway @ 65mph, rest around town..
I reset it when I got on the highway for the first time, I swear I was pulling 26+ mpg, full tank of gas, 65mph on cruise control... Will attempt this again sometime soon, kinda hard to get on a highway around here without sitting in traffic. That 22mpg I have now included 2 hours sitting in Friday afternoon traffic last week!
I reset it when I got on the highway for the first time, I swear I was pulling 26+ mpg, full tank of gas, 65mph on cruise control... Will attempt this again sometime soon, kinda hard to get on a highway around here without sitting in traffic. That 22mpg I have now included 2 hours sitting in Friday afternoon traffic last week!
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Of the next Riffraff East
Joined: Oct 2004
Posts: 8,679
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From: Concord NC
I am pulling 22+ since I put in the 80E PCM two weekends ago, 65% highway @ 65mph, rest around town..
I reset it when I got on the highway for the first time, I swear I was pulling 26+ mpg, full tank of gas, 65mph on cruise control... Will attempt this again sometime soon, kinda hard to get on a highway around here without sitting in traffic. That 22mpg I have now included 2 hours sitting in Friday afternoon traffic last week!
I reset it when I got on the highway for the first time, I swear I was pulling 26+ mpg, full tank of gas, 65mph on cruise control... Will attempt this again sometime soon, kinda hard to get on a highway around here without sitting in traffic. That 22mpg I have now included 2 hours sitting in Friday afternoon traffic last week!
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Joined: May 2006
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From: Milroy, PA
I noticed a 1.5 mpg gain, going from 70mph, to 60 mph. Yea the interstate is a 65, and people pass me, but whatever. 16.5 In a 9k pound truck, is pretty impressive if you ask me. Rarely am I in such a hurry that I need to go 70. The difference between 60, and 70, is about 10 minutes per 60 miles. Not too bad.
Cargo Master
Joined: Apr 2004
Posts: 3,162
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From: Vilonia Arkansas
I drive a combo of city and hwy and if I keep it below 2grand running up through the gears and don't go over 62 mph I get between 16 - 17 mph . For a 4x4 dually with 4:10 I don't think thats to bad.
Gone, but not forgotten
Joined: Oct 2005
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From: Charlotte-Fairbanks-Bflo
And that's the name of this game. Just think if you had 3.73's.
Senior User
Joined: Apr 2008
Posts: 267
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From: Fredericksburg, Va
my tires are stock
edit: pre 80E pcm I was averaging 16 mpg with 60% highway miles per tank with just the intake done, did the exhaust one weekend and PCM next
when I finish off this tank I will know for sure, surprised the hell out of me as well
Lead Driver
Joined: Jan 2006
Posts: 6,267
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Mine gets 20-24 empty,
and 18-22 pulling camper, but its a pull behind bumper camper.
its 4x4..
I dont drive the crap out of it...
this is hand calculated and has been many, many, many times.
When I was playing around with hydrogen, I averaged 25!
Even with hydrogen, I only averaged 30 one trip, and that was with the wind behind me the whole way...
and 18-22 pulling camper, but its a pull behind bumper camper.
its 4x4..
I dont drive the crap out of it...
this is hand calculated and has been many, many, many times.
When I was playing around with hydrogen, I averaged 25!
Even with hydrogen, I only averaged 30 one trip, and that was with the wind behind me the whole way...
