2004 MPG w/mods NOT GOOD - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 22 Old 09-22-2009, 11:04 AM Thread Starter
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2004 MPG w/mods NOT GOOD

Whats the deal with my truck? I see all these stories of guys getting 20+ MPG. The best I have gotten on one tank is 365 miles, coming out to 14 MPG (hand calculated). Now thats a mixture of town and highway (plus putting my foot in it every now and then). You can see my mods in my signature. Also when I fill up, after my dash light comes on, it usally holds about 25 to 26 gallons. Is this normal or is there something else going on?

Forgot to add that I'm running Eric's Extreme Street everyday.

2004 F-250 FX4 6.0L
Full EGR Delete (First Coast Diesel Performance)
SCT SF3 (Innovative Diesel Custom Tuning)
Black Onyx Head Gaskets (River City Diesel)
Coolant Filtration System (Dieselsite)
4" MBRP Turbo Back Straight Pipe
K&N FIPK w/S&B Filter
BFG A/T's 285/75/16
ARP Head Studs
2" Leveling Kit
Edge Insight
Zoodad Mod
Recon Lights
New FICM
03 Turbo
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Last edited by bulldog84; 09-22-2009 at 11:10 AM.
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post #2 of 22 Old 09-22-2009, 11:48 AM
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getting 20.5 stock king ranch hand calced mostly hwy. My mileage really sucks near the house...like under 10mpg. Toneau cover must be worth something as well.


2004 CC-SB 4x4 King Ranch 8" Skyjacker 17" MT SideBiters, 37" MT Baja MTZ's, Road Armour front and rear winch bumpers, PIAA lights all around, Thule Racks, SCT Livewire IDP Tuning, EGR and Kitty Delete, Under Armour and Wounded Warrior Project Wrap

Turbo and Exhaust on Deck...

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post #3 of 22 Old 09-22-2009, 11:56 AM
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I get about 11.5 to 12 DD to work , which is 75% city 25 % highway, running DJ's street looney

"have not shot the gun yet but will next week when we see the mother in law." Quoted from a gun forum!

2004 CC 6.0 4x4 lariat

MODS: BPD Remote Oil Cooler, MTW Stage 1, GoGo Diesel Direct Drive Soleniod, Swamps 58v FICM, ARP's, Sinister EGR Delete, SCT XCAL3 w/DJ's Looney, Dfuser coolant filter, 4" straight pipe, Ranch Hand, Tuff-Country Level Kit, Isspro Boost/Trans Temp/Fuel Pressure/Pyro gauges, Edge Insight CTS...
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post #4 of 22 Old 09-22-2009, 11:57 AM
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im only getting around 15.5 most in town and almost 19 on the highway. but i fill the tank all the way up to the neck. can ussally get around 34 gals into the tank. and its only suppose t hold 29 according to fomoco. i running spartan custom tunes for the sct x3 plenty of power and shell roll coal if you get into her hard. when i play alot it will run in the lower 15 and upper 14 but on the highway its always atleast 17 to 19. mine is a 2004 f250 4x4 crew with 285/75/16 cooper discover stt's on it.

2004 F250 6.0 CC 4x4 SCT with custom tunes
zoodad mod, head studs, Home Brew EGR delete, 5" MBRP striaght exhaust, 05 headlight Conversion
HID Head and fogs.
Real courage is found, not in the willingness to risk death, but in the willingness to stand, alone if necessary, against the ignorant and disapproving herd. — Jon Roland, 1976
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post #5 of 22 Old 09-22-2009, 12:12 PM
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I run 38" tires with 4.56 gears, 8" pro comp lift and on the freeway I can manage about 14.5-15mpg at best running RPMs at 2k or less. Roughly 65mph. Around town I get about 11-12 mpg if i keep my foot out of it. I have erics extreme tunes too.
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post #6 of 22 Old 09-22-2009, 02:36 PM Thread Starter
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I guess I'm not to far from you all on MPG. I was starting to think I had a bad injector or the fuel pump was going. Thanks for the replys and keep em coming.

2004 F-250 FX4 6.0L
Full EGR Delete (First Coast Diesel Performance)
SCT SF3 (Innovative Diesel Custom Tuning)
Black Onyx Head Gaskets (River City Diesel)
Coolant Filtration System (Dieselsite)
4" MBRP Turbo Back Straight Pipe
K&N FIPK w/S&B Filter
BFG A/T's 285/75/16
ARP Head Studs
2" Leveling Kit
Edge Insight
Zoodad Mod
Recon Lights
New FICM
03 Turbo
OIF Army Veteran
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post #7 of 22 Old 09-22-2009, 02:39 PM
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Around town I get around 14.4 miles a gallon. On the highway, I get about 23.


Jon
03 6.0 F350 SD
SCT w/Matt's SRL
Zoodad
AFE Stage II
EGR Delete
Banks Monster Exhaust
Isspro Gauges
Studded, Lapped, and Bored
175cc Injectors
Powermax Turbo
Blue Spring FPR
Diesel Site Coolant Filter
AD2 Fuel System
Oil By-Pass System
My personally made Remote FICM/Board
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post #8 of 22 Old 09-22-2009, 02:45 PM
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I get 15.5 mixed driving. The best I have seen was 18.9 but that was 600 miles of interstate.

The Mullet Mod
Stock 2005 F-350 4x4
*Afe Intake
*4" TB Exhaust
*Scangauge
*SCT
*Bulletproof Diesel oil bypass
*Bulletproof Diesel water pump
*Tuned FICM
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post #9 of 22 Old 09-22-2009, 02:59 PM
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I am usually 14-16MPG. Craziest I've seen was 21 MPG, going 50 MPH for a 1.5 hr trip

I would say I'm 50/50 city/hwy driving. If I pull a trailer, its less.


I'm a wh0re for free stuff
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post #10 of 22 Old 09-22-2009, 04:18 PM
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i get around 17 no matter what i do.

studs,egr delete(sinister),dieselsite coolant filter, nuc oil bypass, dj's fuel + regulated fuel return, sct by eric, 4in silverline no cat, isspro gauges, cat elc coolant, hids, lots of other odds and ends......
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