Fuel Mileage - Ford Powerstroke Diesel Forum
 
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post #1 of 10 Old 08-18-2010, 11:30 AM Thread Starter
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Fuel Mileage

Could anyone give me some ideas to increase my fuel mileage a bit? I drive round trip roughly 60 miles a day for work and have to fill 1 tank 2 times a week...seems a bit much to me no?
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post #2 of 10 Old 08-18-2010, 11:49 AM
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What is your current MPG? You can drive a little easier. What psi are your tires at? Seems like most guys report better mileage after intake, exhaust and a chip after they get over the power increase.

1997 Ford F-350 4x4 SRW regular cab manual trans.
-Rosewood 160cc, 17*HPOP, EPBV delete, 4.10s, 315/75r16

1996 Ford F-350 4x4 SRW CCLB manual trans. CALI spec
-ATS intercooler, WW2 w/ 1.0 housing/EPBV delete, Comp 910s, SD Efuel, 3.55s, 315/75r16

2002 Ranger FX4 with manual transfer case and Alcoa's
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post #3 of 10 Old 08-21-2010, 11:41 AM Thread Starter
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I don't drive it hard, I do 65mph on the highway I rarely spool the turbo unless I really need to... I have an intake, I did the airfilter from NAPA. My fronts are 55 and my rears are at 85, its what I read on the door for PSI.
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post #4 of 10 Old 08-21-2010, 03:43 PM
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i drive the exact same amount each day as you, and fill up every friday after i get paid.
i used to get 200 miles to the rear tank, now i get 300.
i did an oil change with filter, air filter, fuel filter, and i add this stuff called "diesel kleen". Its in a silver bottle. you can get it at wal mart or napa.
i bought about 3 bottles that treat 100 gallons each. I poured half the bottle in each time, and still do. truck runs better every day too.
my truck has 345k on it though.
hope this helps you like it did me.
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post #5 of 10 Old 08-21-2010, 04:03 PM
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I'd air the tires up to the max rating on the tire. Most likely you aren't running the stock tires anymore.

I run a mix of Power Service Fuel Supplement, and low-ash 2 stroke oil. I was getting mid 15's before i added them, and now i'm getting just a tick under 17. Once i get all 8 injectors functioning, exhaust, and a chip i should see 18-19. This is average, i do very little highway driving and i'm not really "easy" on the throttle. I like to hear that turbo whistle.

Jimmy
97 F-250 ECLB 7.3/E4OD/4wd, 216k miles: FFD 250/200%'s, stock turbo, built trans, e-fuel, Swamps IDM, shimmed 910's, Melling LPOP, welded cam gear/modified pick-up tube. Built and tuned by me

97 F-250 ECSB project truck:250/2's, Gen 3, S468, SD axles, studs/springs, ZF-6
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post #6 of 10 Old 08-22-2010, 08:36 AM
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Im running a combo of standine and 2 stroke. Try difrent gas stations. I switched stations and gained a few extra km per tank
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post #7 of 10 Old 08-22-2010, 08:45 AM Thread Starter
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The problem is, theres not many stations around here carrying diesel and I hate that. The po put some stupid "GoodRide" tires on it...I'm guessing ghetto version of Goodyear tires.

I think my turbo is on its way out after last night, was driving home taking a left from a stop light, didn't really get on it but the turbo started to spool and I look back - white smoke. Would this effect it at all?

I also just changed the fuel filter, it was beyond pitch black...I mean, like...fresh tar black.
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post #8 of 10 Old 08-22-2010, 07:09 PM
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white smoke can mean bad head gasket, nothin with the turbo. check your coolant

96 f-250 psd
afe cold air
mbrp 4inch
305/70/16 cooper discovers on micky tompson classic II wheels
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post #9 of 10 Old 08-24-2010, 09:59 AM
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I have a 97 CC Dually with Air intake, Bullydog chip and no cat,I use Howes meaner cleaner at every fill up and get 17-19 mpg when I don't get into it all the time.I get 14 pulling a 35' camper in the mountains.

1997 F-350 CC Dually Power Hungry performance chip. DIY air intake ,4" Diamond Eye exhaust, Trans temp gauge,Pyrometer gauge 10,000 Lb. Warn Winch, 1 million candle power auxilary lights,black heavy diamond plate bumper/brushguard
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post #10 of 10 Old 08-24-2010, 10:46 AM
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my 97 never got better than 15 for some reason my 2000 get 18 with a super chip intake an 5'' pipe.. 3.73 an 36'' tires 80mph at 2000rpm

GIMAMMOTH- 1997 F250 5 TONS 74'' tires
BLING 1999.5 F350 OVERSON 2.5 TONS 53'' tires
BLING TOW 2000 F350 DUALLY 22.5 wheels an tires

ALL HAVE 7.3S






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