Gas mileage???? - Ford Powerstroke Diesel Forum
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post #1 of 41 Old 04-20-2008, 04:16 AM Thread Starter
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Gas mileage????

Just wondering what everybody else out there was getting for gas mileage?? I have got an 05 F250 6.0 diesel, 8 inch lift withh 38" tires. Air intake, full RBP exhaust, SCT Livewire with custom tunes from DJ's (always on tow tune). And I can't seem to get any better than about 10 mpg... So now it that diesel is getting up over $4.08 a gallon, it takes me $100 to fill up, and I get about 250 miles per tank. Ya I think you know where I am going with this. So what is everybody else getting? and what can I do to get BETTER mileage??? Please help...
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post #2 of 41 Old 04-20-2008, 04:18 AM
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What gearing are you running in the rear with the 38's

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 #3 of 41 Old 04-20-2008, 04:20 AM Thread Starter
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Whatever that factory gearing is?? I thought about getting it regeared this summer, but I am not even sure what to gear it at??
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post #4 of 41 Old 04-20-2008, 04:21 AM
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With the 38"s i would regear to 4.30s from the factory it probably has 3.73 gears

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 #5 of 41 Old 04-20-2008, 04:26 AM Thread Starter
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Do you think that would REALLY help me out? or maybe just a little bit??
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post #6 of 41 Old 04-20-2008, 04:31 AM
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That would put you close to stock gearing again and get you up to about 14 or so if you are getting 10 now

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 #7 of 41 Old 04-20-2008, 06:42 AM Thread Starter
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bump...anybody else have any input??
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post #8 of 41 Old 04-20-2008, 06:50 AM
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take lift and tires off and dont go over 35's u will gain a decent amount

Matt

2006 F250 6.0L
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post #9 of 41 Old 04-20-2008, 06:52 AM
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how do you know its 10mpg...have you recal your speedo?.
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post #10 of 41 Old 04-20-2008, 02:51 PM
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i would regear it if you really care about it. any thing over 35's you really should

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