FUEL MILEAGE - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 11-11-2007, 04:07 AM Thread Starter
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Question FUEL MILEAGE

What kind of fuel mileage can I expect to get with a 1999 7.3 Dually?--rb
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post #2 of 7 Old 11-11-2007, 04:27 AM
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I get mid 17's on the highyway 15 around town, less when I pull a trailer. See my sig for the mods I have done.

Early 99 F350 4X4 6SPD Crewcab Dually
6637 Air Filter, MKO 4" turbo back to 5" straight pipe Exhaust 6" tip, Isspro gauges Pyro, Boost, Watertemp, DP Tuner, Stock 40tow,60tow,80econo, 120race, KCM S.S. HPX line, ITP Overboost Annihilator.
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post #3 of 7 Old 11-11-2007, 04:35 AM
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Depends what gearing do you have in the rear end?

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #4 of 7 Old 11-11-2007, 04:51 AM Thread Starter
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What rear end do you have?
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post #5 of 7 Old 11-11-2007, 04:52 AM
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I have an 01 SRW with 3.73's empty i get 17-20 highway. havent really kept track when towing

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #6 of 7 Old 11-11-2007, 06:04 AM
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I have a 2002 DRW Crew Cab with 4.10 gears, stock size tires, and no lift. I get about 15mpg on long trips and about 13.2 mpg around town. But I got a heavy foot. I have heard that the key is to try to keep the RPM's under 2000. But I have a really hard time doing that.

02 F350 XLT DRW CC 6X6, ZOODAD MOD, DUAL PRESS RELIEF VALVE, 4" TURBO BACK EXHAUST NO KITTY NO MUFF, TS 6 POS CHIP, HIGH PRESS OIL LINE X-OVER, AIRAID THROTTLE BODY SPACER, DIY INTAKE NAPA 6637, PYRO, BOOST, TRANS GAUGES ON THE PILLAR, BANKS TRANS COMMANDER W/TRANS SHIFT KIT, BILLET TORQUE CONVERTER, WASTEGATE DELETE W/MAP FOOLER, SKYJACKER SHOCKS & DUAL STEERING STABILIZER, REDNECK CELL PHONE, RANCH HAND BUMPER, RECON BIG RIG, FENDER AND CAB LIGHTS, AND DIAMOND PLATE ACCESORIES.
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post #7 of 7 Old 11-11-2007, 06:26 PM
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My 01 crew cab short bed, leveled with 315's gets 13-14 average on a tank mixed driving. My best on a trip was 18 mpg for 2 consecutive tanks all highway, not towing but had 300-400 lbs of stuff in the back. I dont know what gears I have.

2001 Crew Cab Short Bed
Leveling kit
315/75 Terra Grapplers
Magnaflow Stainless exhaust
AFE stage 1 intake
Banks TransCommand
Juice Attitude with monitor Pillar mount
Autometer Trans. Temp.
Zoodad Mod
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