what should my mpg 4 a 7.3 be? - Ford Powerstroke Diesel Forum

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post #1 of 17 Old 08-16-2007, 01:07 PM Thread Starter
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Cool what should my mpg 4 a 7.3 be?

Hey, I recently purchased a clean 2ooo f-250 7.3 powerstroke powered 2wd ext cab pickup with 50k miles. I bought it expecting mpgs to be around 16 to 20 , based on friends and co-workers who drive diesels. To my suprise I get 13 to 14 consecutivily around town and towing my 18 ft boat to the coast and back. I installed k&n cold air intake and a 4 in exaust system, no help in mpgs, tires are good , filters are fresh, IS THIS NORMAL OR IS THERE SOMTHING I NEED TO DO FOR BETTER MPGS? thanks much.
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post #2 of 17 Old 08-16-2007, 01:08 PM
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around town and towing that is about normal... actually pretty good. On the highway unloaded it should be around 20-21 with the intake and exhaust.
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post #3 of 17 Old 08-16-2007, 01:09 PM
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Oh and a LIGHT right foot.....
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post #4 of 17 Old 08-16-2007, 01:19 PM
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Mileage

I have a 99 f350drw, 7.3, 4.10axle, 2wd, auto trans. 10 mpg towing 12k plus, same with 8k behind it, oddly enough. Have k&n, hypertec at level 2, and afe 4 inch exhaust. Cruising unloaded at whatever speed, the truck only gets 13 mpg.The guy I bought it from said he got 17mpg on the highway with a small trailer. I don't see how. However, if I keep it under 2000 rpm towing (57-58mph), I can get 11 mpg consistently. I saw no change in mileage for anything I added, but EGT is down 100 degrees, and power is up noticeably when towing.
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post #5 of 17 Old 08-16-2007, 01:25 PM
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Seems a bit low to me. I get 16-17 consistently around town with mine. I pull a 24ft boat that weighs probobly 5000 pounds and I get 13-14 if I keep it at 60 or less.

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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post #6 of 17 Old 08-16-2007, 04:01 PM
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Dont really know but your getting just about the same milage i was getting before i got my chip

"Why in hell can't the Army do it if
the Marines can. They are the same
kind of men; why can't they be like
Marines."
Gen. John J "Black Jack" Pershing, USA; 12 February
1918
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post #7 of 17 Old 08-16-2007, 04:11 PM
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According to the computer, which averages all driving conditions city and highway, the MPG with the Jucie/attitude on my 2000 Excursion I get 11-12 towing a 21 foot boat and unloaded I get about 16-17. I suspect that on a flat highway going 70 unloaded I might see over 20 but conditons would have to be perfect.

I have not manually tracked it yet I did clear the miles on the last fill up so I will do the math the next time I fill up.
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post #8 of 17 Old 08-16-2007, 04:35 PM
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I'm willing to bet that if you hand calculated your MPGs you would gain 1-3 mpg. The overhead lie-o-meter is just that...a BIG farse.


DITTY

Brisco:-White 2000 F-350 PSD CrewCab/SRW/LongBed/4x4/6spd Manual/HUGE Powerstroke.Org Vinals!

Favorite Mods: Baby-seat mod/Girlfriend delete/6pos on Xtreme!

Repairs since bought: both batteries/alternator/3 transmissions/4 clutches/entire front axle/new steering stabilizer/power steering pump

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Current Best: 16.149@84.13MPH (Est.7800lbs)
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post #9 of 17 Old 08-16-2007, 04:38 PM
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I fogot to post my MPGs.

I average 16-17 mpg with some pretty agressive driving. If I baby it, I can squeese out 20-ish. And that is at around 8000lbs!!!


DITTY

Brisco:-White 2000 F-350 PSD CrewCab/SRW/LongBed/4x4/6spd Manual/HUGE Powerstroke.Org Vinals!

Favorite Mods: Baby-seat mod/Girlfriend delete/6pos on Xtreme!

Repairs since bought: both batteries/alternator/3 transmissions/4 clutches/entire front axle/new steering stabilizer/power steering pump

Still broken: cracked windshield/all glowplugs/glowplug relay/4WD still out/trailer harness no power

Current Best: 16.149@84.13MPH (Est.7800lbs)
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post #10 of 17 Old 08-16-2007, 10:21 PM
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i get great milage about 23-24 on the highway not towing cruising @68-70 mph 2000rpm

thatw ith my early 99 and the 6 speed manual superchips on performance tymar intake and 4" turbo back exhaust


mixed city and town driving i average 18-20 mpg

towing my24' enclosed car hauler im gettin 16-18 highway at 65mph

1999 F250 XLT 2WD 7.3, 6 spd, South Bend Con OFE, Detroit Truetrac, Tony Wildman tunes, Autometer Boost&Pyro, AFE Stage II, 4" MBRP Exhaust, 2" Daystars, 17x9 DC1 wheels wrapped in 33x12.50 MTZ's

Chris


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