What kind of MPG would a 6.9I dually flatbed be looking at? - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 05-23-2011, 12:17 AM Thread Starter
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What kind of MPG would a 6.9I dually flatbed be looking at?

What kind of MPG would a 6.9I dually flatbed be looking at?
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post #2 of 6 Old 06-02-2011, 07:41 PM
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Sorry nobody responded to ya. It really depends on a lot of things. What tranny? Gears? I would expect anywhere from 8mpg-18mpg depending on tranny (manual vs. auto) and gears. Engine condition plays a key role as well.

-Justin-
1985 Ford F-250 with a 6.9 IDI/T-19 4speed 4x4
Paint, Eagle Alloys, Kelly Safari TSR's, ATS turbo, gauges

2004 Jetta TDI 5 speed
2004 2wd Excursion Limited 6.0. Testing how loyal I am to Ford
1997 Passat B4V TDI. 1 of 80 imported in 97. 50 MPG and a factory 25 gallon fuel tank!
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post #3 of 6 Old 06-10-2011, 12:39 AM
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Originally Posted by FordGuy100 View Post
Sorry nobody responded to ya. It really depends on a lot of things. What tranny? Gears? I would expect anywhere from 8mpg-18mpg depending on tranny (manual vs. auto) and gears. Engine condition plays a key role as well.
what kinda mileage do you get with your truck? i'm looking at buying an 84 f250 supercab with the 4 speed and 4x4 and just want a ballpark guess since they have same basic parts. thanks

1985 f250 with a 6.9idi and 4 speed manual 2 wheel drive. turned up injection pump, single 3" stack and heavy duty clutch.
1995 F250 extended cab long bed with 1996 12 valve Cummins, 47re, 3" downpipe to 5" curved stacks. custom paint
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post #4 of 6 Old 06-10-2011, 12:57 AM
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dually? dont expect anything higher than 15 at the most.

2006 Ford F250 CCSB FX4 6.0




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1997 F350 CCLB 2WD 7.3
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post #5 of 6 Old 06-13-2011, 09:09 PM
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Not a dually if its a F250, unless converted?

I use to get roughly 17-19mpg depending on how I drove it. That was Oregon, and 60mph. Now here in Texas driving 70mph I get around 15.

Havent filled it up since....Novemer

-Justin-
1985 Ford F-250 with a 6.9 IDI/T-19 4speed 4x4
Paint, Eagle Alloys, Kelly Safari TSR's, ATS turbo, gauges

2004 Jetta TDI 5 speed
2004 2wd Excursion Limited 6.0. Testing how loyal I am to Ford
1997 Passat B4V TDI. 1 of 80 imported in 97. 50 MPG and a factory 25 gallon fuel tank!
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post #6 of 6 Old 06-20-2011, 03:52 PM
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i have an 86 ext cab 2 wheel drive with a wastegated ats turbo im gettin 21 mpgs runnin 75 on the highway. but i also have a gear vendor under/overdrive on it. before i put my gear vendor in it i was gettin 16 - 18 and was runnin 65
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