Fuel Mileage - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 03-24-2008, 09:04 PM Thread Starter
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Fuel Mileage

I'm new to this site and look for some help with fuel mileage. I have and 06 250 4x4 thats getting 16 unload and pulling 10 if i'm lucky. No mods yet but looking. Would like to gain at least 4 mpg if possable.

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post #2 of 11 Old 03-25-2008, 02:59 AM
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Areas that helped me:
#1 - (NO DOUBT) - driving style, habits, highway speed, slow take-offs, coasting stops, etc.
#2 - MINIMIZE IDLING (I still do SOME on VERY cold mornings and days). This helps in a lot of areas!
#3 - tire pressure (go to max tire rating)
#4 - fuel additives and synthetic oil (MY OPINION HERE, many feel differently)
#5 - I got the most recent flash - I LOVE it!
#6 - (Soon to come) I was recently talked into a power elbow for a promised 0.2 mpg improvement.

Other things said to help
#1 - Smaller, lighter, narrower tires - definite help
#2 - Tonneau cover - definite help
#3 - tuner - probably will help
#4 - open up the exhaust - probably will help but is a "high dollar per improvement gained" mod in my opinion.
#5 - Zoodad - probably not much help, but easy

Mark
06 F250CC SB FX4 Lariat;ARP studs;OEM gaskets; Banks exhaust;DynaTrac Ball joints;Coolant filter; High-Idle;RACCCV6000;JimmiJammers;Ravelco;SynchroMax trans case;Fumoto valves;Harpooned;CPOhighwayProducts toolbox;tracrac;Fox Weatherboots;Wet Okole Seat Covers;BriteBox;Re-flashed;Quadzilla Recon XZT Fuel Press;Blue FPR spring;DashDAQ;PHP FICM;RiffRaff boots;DCPower270AXP;PowerInverter;Rancho7000's; BPD EGR cooler;One-piece HPOP fitting;BilletWaterPump;SCT w/ Matts SRL;ELC Ultra
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post #3 of 11 Old 03-25-2008, 03:13 AM
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tonneau cover WONT help.....itll get you WORSE mileage. check mythbusters
search for the fuel additive write up on here... it shows which brands do what.
(although in IMO fuel additives is a max gain of .2-.5 gain...)

99.5/01 F250 SD 4x4 SOF ext. cab short bed
90,000 on the engine and 253 on the truck
aftermarket:
Intake(DIY/TYMAR)
Foil Delete...(no difference noticed)...
Tires
Tint
Gooseneck hitch
Tow package
Headlights
Exhaust(kat and muffler delete)
2" leveling kit by AAA spring(local)
tranny w/triple disc tq
edge juice w/attitude
where has all my mileage gone....
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post #4 of 11 Old 03-25-2008, 03:44 AM
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Quote:
Originally Posted by stroker27 View Post
tonneau cover WONT help.....itll get you WORSE mileage. check mythbusters
search for the fuel additive write up on here... it shows which brands do what.
(although in IMO fuel additives is a max gain of .2-.5 gain...)
I get almost 1mpg when i have my cover closed then when its open.

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 11 Old 03-25-2008, 04:17 AM
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Toneu cover shouldn't hurt, but i'd only expect 0-1mpg.

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post #6 of 11 Old 03-25-2008, 04:09 PM
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Quote:
Originally Posted by stroker27 View Post
tonneau cover WONT help.....itll get you WORSE mileage. check mythbusters
The MythBusters I saw was on the tailgate up or down. I didn't know that they did one on the Tonneau Cover. Almost everyone I know that has one has said it helps up to 1 mpg ???

Mark
06 F250CC SB FX4 Lariat;ARP studs;OEM gaskets; Banks exhaust;DynaTrac Ball joints;Coolant filter; High-Idle;RACCCV6000;JimmiJammers;Ravelco;SynchroMax trans case;Fumoto valves;Harpooned;CPOhighwayProducts toolbox;tracrac;Fox Weatherboots;Wet Okole Seat Covers;BriteBox;Re-flashed;Quadzilla Recon XZT Fuel Press;Blue FPR spring;DashDAQ;PHP FICM;RiffRaff boots;DCPower270AXP;PowerInverter;Rancho7000's; BPD EGR cooler;One-piece HPOP fitting;BilletWaterPump;SCT w/ Matts SRL;ELC Ultra
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post #7 of 11 Old 03-25-2008, 06:08 PM
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Ideally, you'd want to draw a line from the back of cab to the top of tailgate. and then kinda turn that into a topper. That would be you're best "aero" setup. I tried no tail gate and didn't see any gains, probly hurt me if any b/c of the sudden drop behind the cab. I'd say best MPG setup would be a toneou cover. plus it keeps crap out of it.

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post #8 of 11 Old 03-26-2008, 05:04 PM
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Funny, Ford says in the owners manual for my 03 Lightning to install the cover when possible to save fuel. I just put a cai on my 06 f250 and the 4'' exhaust goes on Friday. I'm not sure what they will do for mileage but it can't hurt.
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post #9 of 11 Old 03-26-2008, 06:21 PM
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exactly. If I don't sell my Beast I'll be doing a cheapo tonoue cover for convieniance and MPG (if any), but it won't hurt MPG's!! and your owners manual pretty much case closed this thread.

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post #10 of 11 Old 03-26-2008, 07:31 PM
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COVER WILL NOT PRODUCE FUEL GAIN, JUST THE OPPOSITE. OPEN BED W/TAILGATE UP IS BEST WAY TO SAVE ON FUEL. REASON? SIMPLE AERO`S, COVER ON OR TAILGATE DOWN OR REMOVED CREATES A DOWN DRAFT WHICH EQUATES TO DRAG THEREBY USING MORE FUEL BECAUSE THE ENGINE IS WORKING A LOT HARDER. TAILGATE UP CREATES A VORTEX AND ELIMINATES THE DOWNDRAFT THEREBY CAUSING THE ENGINE TO WORK LESS AND ADDS FUEL MILAGE.

97 F-350, 7.3 psd, xlt, limited edition, obs, dually, E40d at, 410 r axle, reg. cab, 8ft bed, 145000 miles, DIY Tymar intake (napa filter) CCV mod. fpr bb mod, HPX crossover pipe, SS Bully steps, Reese Fifth wheel hitch, CB Radio, 3" DP /4" back w/cat delete and 4" flow-thru muffler w/5" tip.
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