what is a realistic fuel economy on a stock 7.3 excursion? - Ford Powerstroke Diesel Forum
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post #1 of 23 Old 02-24-2010, 08:35 AM Thread Starter
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what is a realistic fuel economy on a stock 7.3 excursion?

I am in the market for an excursion but before I pull the trigger I would like to know a realistic fuel economy of these 7.3 excursions when they are bone stock, no lift, stock tires, no chips

I know it depends on how you drive them so please let me know when you drive them without flooring them what is the best you have experienced?

I really appreciate you guys feedback. thank you in advance
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post #2 of 23 Old 02-24-2010, 08:57 AM
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my wife had an 01, stock hwy 16-18mpg

chipped & opening up exaust, hwy 18-21mpg
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post #3 of 23 Old 02-24-2010, 05:26 PM
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I've got an '01 and I hit 20mpg with cruise on highway and about 16 in town....No Bull. I bought mine for this very reason two weeks ago.
And I can't hardly tell when I'm towing my Full size Jeep. Only mods on my truck are intake and exhaust. I have Cali emmissions on my truck.

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01 Excursion 7.3L with some goodies.
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post #4 of 23 Old 02-25-2010, 01:38 AM
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Here's my data over 64 hand calculated fuel ups. My modifications are listed. The larger tires that came with my used Excursion hurts my mileage, but the 203* thermostat has helped on my 7.3's.

The X...sometimes pulling the big trailer (Ford Excursion) | Fuelly

Includes towing information, attempts at additives, etc.

Your geographic location will impact winter mileage. Can get pretty cold here in Wisconsin. That, along with lower Btu winter fuel, impacts mileage in cold months for me.
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post #5 of 23 Old 02-25-2010, 08:31 AM Thread Starter
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WOW SD26, that is one impressive spread sheet. thank you for sharing. those numbers are very helpful and a bit disappointing at the same time but at least it is realistic. thank you
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post #6 of 23 Old 02-25-2010, 09:08 AM
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Quote:
Originally Posted by loanman View Post
WOW SD26, that is one impressive spread sheet. thank you for sharing. those numbers are very helpful and a bit disappointing at the same time but at least it is realistic. thank you
LOL! Yeah, life sucks, eh? Yes, I nearly hit 19MPG a few times. My life time MPG includes towing a big trailer and a small trailer. Does have an impact in the overall average. As does winter in Wisconsin. 13-14MPG in the cold seems to be pretty regular for me. Definitely is in the 16-17MPG range in the summer. My regular work commute is about 24 miles, so I get good and warm. It's not interstate driving; it's rural, mostly, has about ten stop signs, and takes me 35 minutes plus to do. So, I wouldn't call my MPG highway. That kind of helps, right?

As for the spread sheet, fuelly.com is free. I just like to load it up with data. One has to read it carefully as what goes in the tank might reflect on the next MPG and my driving notes are based upon the previous data's fill.

I don't think my DP Tuner necessarily netted any kind of a real gain in MPG. I would like to go to a narrower tire, maybe a 255/85 or a stock 265/75...or maybe even a 235/85...but that's a cost that I don't want to incur right now. The big 285's look good and have a lot of tread left. Might make a simple air dam for the front. Doubt I will get a big gain on my regular commute, but maybe a little more on long trips.

What kind of MPG are you hoping for? The Excursion is heavy. I think that hurts it, but it is such a comfortable vehicle. There is a real value in having it for it's great towing ability, comfort in people hauling, and general utility. The DP Tuner makes it just that much more fun to drive also.
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post #7 of 23 Old 05-03-2014, 04:42 AM
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Does anyone on here really get over 900 miles to a tanks of diesel

I really would like to see it for my self.. I am on a raid trip at the moment and filled my tank to the brim (44 gallons) so we will see I have a 7.3 4x4 and live in flat florida I will let you guys no.. Honestly I think a lot of people on these forums are not taking in account all the facts
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post #8 of 23 Old 05-05-2014, 07:22 AM
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With a cold air intake and 4inch exhaust:
Summer diesel - I get about 14 to 15mpg in the city.
On the highway - I've gotten 19mpg, but not using any A/C or Cruise.
I found that if I used the cruise - I lost 2mpg on the highway.



2003 EX, 7.3L 4inch Lift, Nitto Trail Grappler's, KMC XD Spy's
216k Miles, Currently 605tq, 312hp
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post #9 of 23 Old 05-07-2014, 05:32 AM
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My mileage is similar to SD26's. I have MBRP 4" exhaust, AIS intake and hydra chip set on 80hp tune. I use Diesel Kleen too. I've only had the beast for a few months, about 8k+ miles. Big difference between city and highway. The excursion hates traffic but loves to cruise at 65.

2000 Ford Excursion 7.3, AIS intake, 4" MBRP exhaust, PHP Hydra Chip, Bilsteins (5100 in front and 4600 in back) and x code front springs to be added when I can find the time to put them in.
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post #10 of 23 Old 05-07-2014, 08:36 PM
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You should have no issues hitting 20 highway MPGs. I get 18-19 summer 16-17 winter. Mostly highway miles.

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