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post #1 of 10 Old 07-05-2009, 07:43 PM Thread Starter
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mileage

I have a 2003 7.3 with 37's. what are some things i can do to it to make it get really good gas mileage like 20mpg if possible.

2003 Ford F350 Crewcab 7.3 Powerstroke
mods:
6in. Lift
37x13.50x20 Toyo Open Country M/T
20in. Moto Metal 951's
2 12" Kicker subs
Hifonics amps
Kenwood in-dash
4in. down pipe with 5in.exhaust with 6in. tip.
Soon to come:
Tony wildman chip
afe cold air
2005 front end
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post #2 of 10 Old 07-05-2009, 08:27 PM
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HAHAHAHHAHAHHAHAHAHAHAHHA HA


Good luck. . Oh and its fuel mileage. unless yours uses gas



Air dams
custom tuned chip
side skirts
do not drive over 600* EGT
do not drive over 70 mph
do not drive over 2000 RPM.

Basically Nothing you can do to get 20 MPG. But those things will get you more MPG
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post #3 of 10 Old 07-05-2009, 08:29 PM
wants to go 2wd to 4wd

 
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****** push it****** Thats about it... do the Flintstone thing

02 7.3, Autometers, TW,4"TB duals, Diy intake..


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post #4 of 10 Old 07-06-2009, 02:37 AM
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I don't have the big tires, but with my mods and a lite foot (63mph)I get 21 mpg hand cal. (hwy) 16-17 (city)

early 99 250 Lariat s/c s/b 4x4
DIY intake
4" MBRP turbo back straight w/ 5" tip
3 piller gauges- boost, pyro,trans
TW tuned -
stock, h/idle, econ, L-tow, H-tow, extreme
t/c lock switch
HPX line
regulated fuel return
warn hubs
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post #5 of 10 Old 07-06-2009, 02:41 AM
Other vehicle is an F250
 
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Quote:
Originally Posted by Red_Diesel View Post
I have a 2003 7.3 with 37's. what are some things i can do to it to make it get really good gas mileage like 20mpg if possible.
You are kidding, right? If not, and you figure out how to do it, I want to be your manager! Good luck! Oh yeah, if you're keeping notes, I get 13 MPG on a good day.

2001 F250 Lariat Crewcab, Automatic, 4X4

(Late '99 Regular Cab Work Truck)


6.5" Pro Comp Lift ~ Traction Bars ~ Son-Built Sliders ~ 16" Pro Comp Xtreme Wheels with 35" BFG TA KM2s
4" Banks Exh.-Power Elbow ~ Wicked Wheel ~ DIY AMSOIL EaAU4090 Intake ~ PHP 6 Pos Chip ~ LowDown LED Upgrade
Stage 1 Injectors ~ HankDaddy Mod. ~ BUILT TRANNY! 352 HP Shootin' for 375!
CAROLINA POWERSTROKE ASSOCIATION
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post #6 of 10 Old 07-06-2009, 03:38 AM
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19.8 mpg is the best i have got. just gotta go real easy on the skinny pedal...

2002 F250, XLT SC SB 4X4 PSD
S&B INTAKE, ISSPRO EV2 GAUGES (PYRO, BOOST, TRANS) IN OVERHEAD POD, AVH-P4000DVD, RANCHO 9000XL's, COBRA 29 W/ ROOF MOUNTED K40, STRAIGHT-PIPED, HORNBLASTER SHOCKER AIR HORNS, WW, TS PERFORMANCE 6-POS TUNED BY TW, MARINCO MOD

Yea, though I drive through the valley of the shadow of imports, I will fear no rice-burner; For my POWERSTROKE is with me; Your turbo and Your tuner, they comfort me.
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post #7 of 10 Old 07-06-2009, 04:15 AM
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I run 285 75 r16's and I get 17 average and might see 19 on a long trip if i keep it below 2,000 rpms. Intake and exhaust helped my fuel mileage by an mpg give or take, but these are heavy bastarts and they'll beat an f-150 but not a jetta.

Si vis pacem, para bellum

2002 F-250 Lariat
7.3L Powerstroke: Zoodad Mod, Foil Delete, NAPA Intake, MBRP 4", ISSPRO 3-gauge
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post #8 of 10 Old 07-06-2009, 05:28 AM
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Snow water meth... that will lower your egts, and give you more power.

Jake Brown
97' F-250HD,4.10 gears, DIY intake, TW Chip, triple gauge pilliar, Banks Intercooler, Airdog 150, 3" down pipe, DIY 5" straight pipe exhaust to 6" black tip, smoked headlights, smoked LED RECON cab lights, 17 HPOP.

NEXT:
Comp 910 Springs, Push rods, Fuel system, Injectors, and Turbo


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Whoa whoa there are no beaters! lol only more involved projects lol
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post #9 of 10 Old 07-06-2009, 06:08 PM
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If you want a lot better fuel mileage, ditch the lift and oversize tires. It might look great but it costs $$. Otherwise, good luck!
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post #10 of 10 Old 07-07-2009, 11:24 AM
FJuanfiddy mod


 
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Regear to 4.30's that will get you close to the stock gear ratio again. Wont get 20mgs likely but will be much better

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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