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1995 7.3 Powerstroke Mileage


 
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Mopower
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PostPosted: Tue Dec 03, 2013 1:36 pm    Post subject: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

1995 ext cab F250 7.3 Powerstroke 4X2
3.55 axle ratio
3" exhaust from turbo back
injector cc increase
mild program upgrade
195 degree thermostat
stock airbox
non intercooled
235/85-16 hwy tires @ 65psi
5spd standard tranny
55-60mph average
small hills and infrequent stop & go
air temp approximately 80-85 degrees
1500-1750 cruising rpm
Rotella 15W-40 oil
Power Service Extreme Diesel fuel
cargo: suitcase, spare, power tools, tool boxes
trip length: 175 miles

Filled up front tank from same pump till shut off. Did not overfill.

Previous mpg tests (same route): 24.3mpg (old injectors & program) 26.5mpg (new injectors and program)

RESULTING MPG: 27.2mpg

(Future mods: oil additive, intercooler, increased fuel pressure & timing mods, higher tire psi, no jackrabbit starts or passing, less cargo, 203+ thermostat.)
 
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Super Trucker
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PostPosted: Tue Dec 03, 2013 5:05 pm    Post subject: Re: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

Look at beans diesel performance for there injector driver module. It's the silver box mounted on fender behind the air box by firewall. Much more responsive on the throttle so I didn't have mash on it to get going. And a big honken air cleaner. What I had on my blue and white truck .
 
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larryanderson
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PostPosted: Thu Dec 05, 2013 4:10 am    Post subject: Re: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

[Had] a 2011 Ford diesel reg cab,pulling trailer 7/8 MPG empty usually 65+ 10/11M.P.G had a 21 gal tank.Every body else claimed 14+ but I did not.The older trucks Cummings and PowerStroke both got excellent mileage before all the anti pollution and computer technology.I know several that changed everything and increased power and mileage but I trade every year for about $.15 a mile so I live with what I have.
 
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PretendFarmer
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PostPosted: Thu Dec 05, 2013 6:55 am    Post subject: Re: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

That mileage seems a bit high. My best ever with my 2wd 1997 cummins was 25 all highway going 60mph. Best EVER.
Getting 27 mpg out of a powerstroke has to be some kind of record.
 
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souNdguy
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PostPosted: Fri Dec 06, 2013 2:18 pm    Post subject: Re: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

i agree.

my 99 350 drw, 4.10 gears 4x4, hauling 3 tool boxes, 5w40 syn oil.. makes 15 city.. maybee 17.5 hwy.

my 04 250 6.0 4x4 3.73 rear 1 tool box 5w40 syn oil , upgrade air box, mild tuning can make, 15-16 city, and 19 hwy ( pulling an unlaoded 16' trailer.. ~ 2200# etc. if i keep my foot out of the turbo.

,my 99 450 drw, hauling bed and 3 tool boxes, aux 50g fuel tank, 19.5" tires, 4.88 rear, pulling about 5000# unlaoded gooseneck will make about 15 city or hwy. Sweet fuel spot is 67-72mph. if I pass that, fuel eco starts diving... especially if loaded. I pulled a 12k load out of south florida.. tall passanger van..e tc.. and was making 75 ish on the interstate.. economy dropped to like 9... ;)

70 and under for that old girl.. .. otherwise she eats too much....


ps.. I'm suspicous of any MPG #'s after a tuner is used. I have a feeling they use some fuzzy hash to skew the #'s. I always do tank fill and miles travelled to get a real idea...
 
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JT
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PostPosted: Fri Dec 06, 2013 3:27 pm    Post subject: Re: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

Got 2 7.3 engines
one is a non Turbo, IDI, 1994, F350 DRW, 4x4, best I can ever squeeze out of her is 11.
2000 F250 SRW, 4" exhaust, tuner and K&N AF, get about 14 around town, about 16-17 on highway, with RPMs kept under 2K, drops a couple MPG over 2K RPM.
 
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T in NE
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PostPosted: Sat Dec 07, 2013 5:10 pm    Post subject: Re: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

You'd need a really soft foot to get that out of a truck with all the aerodynamic attributes of a brick. Might be possible with a very soft foot, short-shifting, and a steady top speed of 60. My 90 Cummins has done an estimated 23 or so (speedo and odometer read way slow) on the interstate with a new fan clutch and topping out at about 70. I would definitely check at the pump and not go by what a built-in guess-o-meter or the tuner are telling me.
 
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johndeerefan
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Location: Western KY

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PostPosted: Mon Dec 09, 2013 10:13 am    Post subject: Re: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

I agree that must be a new powerstroke record. My 05 automatic 6.0L w/ cold air intake, SCT tuner (on street setting), MBRP exhaust, and rolling on 35x12.5x20 tires only gets me 15 Hwy and 10 pulling a trailer. I would kill for anything around 20 mpg.
 
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Mopower
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PostPosted: Mon Dec 09, 2013 10:33 am    Post subject: Re: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

I used the tank fill and miles traveled. I double checked my odometer with the route on mapquest. I'm hoping to do a well documented test next summer after a couple improvements. I can't get much over 20mpg doing 70mph. It likes 55-60mph. doing 65-70mph with an 8X20 grain ox on the gooseneck trailer got me 8mpg in windy flat cold Illinois. The worst I've ever got!
 
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Mopower
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PostPosted: Mon Dec 09, 2013 10:39 am    Post subject: Re: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

I don't have a tuner that actually tells me anything, just a program that a buddy puts on chips at his diesel shop. I used the odometer and the pump. I also checked my odometer my route on mapquest. VERY light in the foot, although I did pass a couple slower cars. The last trip included my 275# buddy and some back roading therough the woods this fall. It was about 25mpg when we filled up.
 
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JDemaris
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PostPosted: Sat Dec 28, 2013 4:45 am    Post subject: Re: 1995 7.3 Powerstroke Mileage Reply to specific post Reply with quote

I don't believe it. If those figures were accurate - you've probably got a world-record breaker.

My 1985 Isuzu mini-truck with a 2.2 liter diesel gets 27-28 MPG.

I've driven and owned many 7.3 diesels in Ford trucks. The best MPG I ever got on a slow highway cruise (55-60 MPH) at a low altitude on a flat road with no wind was 19.5 MPG. That with a 5 speed OD trans and a 3.5 axle ratio.
 
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