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View Full Version : Fuel mileage with 7.3 in Excursion.


DWitcher
01-15-2006, 04:10 PM
Hey guy's I'm looking at buying a 2000 to 2003 4x4 Excursion with the 7.3 and was trying get a good idea of the fuel mileage this rig might get with a 100k on the clock. It's also gonna be lifted 4"-6" with 35's

1999GMC
01-15-2006, 08:31 PM
Same setup and gets 15 MPG in my business partners excursion. He has 6 in. lift with 35's.

DWitcher
01-15-2006, 11:23 PM
That's what I've been hearing for HWY mileage from a few guy's with the same setup. Not to shabby for a 7000lb rig.

RJF's Red Cummins
01-16-2006, 11:44 AM
Didn't they go to the 6.0 in 2003?

1999GMC
01-16-2006, 03:39 PM
Yeah. But you could also get the 7.3L. My business partners is a 03 with a 7.3L. And when I looked it up on ALL-DATA it had both engines listed for 03.

DWitcher
01-16-2006, 11:23 PM
That's right, the 6.0 came in mid-year 03.

chillls
03-02-2006, 11:40 PM
i have an 02 with some stuff done & if i stay at about 65 mph i can get about 21 to 21.5 mpg out of mine.:)

J. Delaney
03-03-2006, 01:01 AM
That's what I've been hearing for HWY mileage from a few guy's with the same setup. Not to shabby for a 7000lb rig.

Add about 1000lbs to that!



I've got an F350 that averages 13-15 in the city. I don't know what it gets on the hiway because I'm usually towing my 5er.

chillls
03-04-2006, 12:26 PM
my trucks weight is 6800lbs & i dont have one of those junk sluch boxes behind my endine. :stir:
i get 13 to 15 mpg in town. i have got 26 mpg befor on flat hyw & cruise set at 58 mph going from sac. to redding. since then i have not got that i cant stand going that slow!:mad: the milage you get all depends on your driving habbits.
:burnout:

chillls
03-04-2006, 12:35 PM
hey birthday boy you need a ford to spank you 31 times or are you going to let your GMC boys do that. you do remember what GMC stands for dont you?
:stir: rotfl

1999GMC
03-04-2006, 01:04 PM
Hey Chillls. Learn how to spell SLUSH box and ENGINE before you talk $hit.

chillls
03-06-2006, 09:06 PM
ah spell check, or just look back befor i send:doah:

Dave@BD-Power
03-07-2006, 11:56 AM
A little off topic but but BD-Power is over stocked on our 7.3L excursion exhaust kits, they are Mandrel bent 4" 16 Gauge Aluminized Steal, full turbo to tails systems, muffler included.

We are selling the kits for $250.00US plus shipping. :eek:

If you are interested in ordering a kit call our sales desk at 1-800-887-5030

rocknbronco
03-08-2006, 09:55 AM
good mechanic coming:doah:

Bud
10-20-2006, 02:41 PM
Does anyone else have fuel mileage on their Excursions? How much are they going for between 00-03?