MPG 2003 7.3 dually 2wd - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 01-18-2012, 03:15 PM   #1 (permalink)
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MPG 2003 7.3 dually 2wd

I am negotiating on a truck and want to get a little info.

2003 f350 crew, dually 2wd 4.10 limited slip, auto

What kind of mileage?
Empty: Highway 17-19? City 13-15?
Loaded or towing?
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Old 01-18-2012, 06:43 PM   #2 (permalink)
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I have an 02 350 dually 7.3 4X4 Manual with 4:10s and I only get about 14 hwy and 16 city if I drive right. I know the mileage is backwards, but with 4:10s at hwy speeds you will be sucking diesel after 60 mph
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2002 F350 CC PS DRW 4X4, AFE Stage 2 Intake, Rosewood Stage 1 injectors, DP Tune, 4" turbo back exhaust, X wheel compressor.
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Old 01-18-2012, 07:05 PM   #3 (permalink)
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99 dually 2wd getting 17-18 highway and bout 15 round town. Loaded with 15,000 trailer mtns and desert driving over 500 mile trip avg 13 mpg. see lower profile for truck specs. I beleive the chip is a hypermax but it is real worn so I cannot read it.
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1986 Suzuki Samurai with VW 1.6TD 30 MPG on 30 inch tires

Early 1986 (1985) F250 Supercab stock 6.9 bought with 70,000 miles in 2008. Stock skinny wheels and stock 3:55 limited slip axles. Rebuilt trans with E40D first and second gears. SOLD

1999 F350 Dually 6spd manual trans. Banks exhaust, Modded impellor and Big Head Waste gate, DP TUNER flashed PCM, Full Force Diesel Single Staged Injectors. EBPV mod for exhaust brakes. Hutch Mod to gas tank. SOLD/TRADED

2001 Excursion Limited Auto trans many buttons I still am finding. Factory 3 inch lift low mileage. 100% stock today we will see what tomorrow brings.

AE scanner in the Inland Empire Sunny So Cal.

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Old 01-18-2012, 09:41 PM   #4 (permalink)
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I have same truck but with 6 speed and I get about the same as mtnsammy with the truck bone stock. I haven't had the DP Tuner on it long enough to know if I'm going to to gain much more than that.
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Old 01-19-2012, 09:22 AM   #5 (permalink)
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Forgot the late 03's also had the 6.0. Mileage is different on my friends lower by 2MPG but he is an autotrans too.
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1986 Suzuki Samurai with VW 1.6TD 30 MPG on 30 inch tires

Early 1986 (1985) F250 Supercab stock 6.9 bought with 70,000 miles in 2008. Stock skinny wheels and stock 3:55 limited slip axles. Rebuilt trans with E40D first and second gears. SOLD

1999 F350 Dually 6spd manual trans. Banks exhaust, Modded impellor and Big Head Waste gate, DP TUNER flashed PCM, Full Force Diesel Single Staged Injectors. EBPV mod for exhaust brakes. Hutch Mod to gas tank. SOLD/TRADED

2001 Excursion Limited Auto trans many buttons I still am finding. Factory 3 inch lift low mileage. 100% stock today we will see what tomorrow brings.

AE scanner in the Inland Empire Sunny So Cal.

Autoenginuity


Living the dream 1-1/4 miles closer to heaven.
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Old 01-19-2012, 05:05 PM   #6 (permalink)
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Do you guys getting 18mpg have 4:10s or 3:73 rear gears?
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Old 01-19-2012, 08:23 PM   #7 (permalink)
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My truck (see signature) is getting 17.5 mpg. This was hand calculated and approximately 2/3 of the miles driven were city. I believe I have the 4:10 rear end, but need to check it out to say for sure.

Mike
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Maroon, 99.5 (Born 4/99) F-350 Lariat, purchased 2/26/08 w/30,928 on the clock, 36,236 (as of 9/6/11) 7.3L, 4x4, auto., super cab, DRW, 8' bed, w/Reese fifth wheel hitch and bumper receiver, bone stock (for now). my
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