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Car Forum / Ford / Ford Trucks / August 2005

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Mileage question 6.0 Ltr Turbo Diesel

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Budroe - 05 Aug 2005 10:48 GMT
I just bought a 2005 f250 crew cab 4x4 super duty.  I was told to
expect 18-24 miles to the gallon, but am averaging around 15.  Anybody
out there doing any better?  What adjustments need to be made?

Bud
To those who have fought for it, Freedom
has a flavor the protected will ever know.
Anonymously scrawled on a bunker at
Khe Sahn, RVN.
Chris Hill - 05 Aug 2005 15:42 GMT
>I just bought a 2005 f250 crew cab 4x4 super duty.  I was told to
>expect 18-24 miles to the gallon, but am averaging around 15.  Anybody
>out there doing any better?  What adjustments need to be made?

I'd suggest switching to imperial gallons, they're bigger.  Seriously,
though, I'd be surprised if the 24 was ever reachable, and the 18 may
be reachable after break in on the highway without a headwind.
Martin Rogoff - 05 Aug 2005 17:12 GMT
>I just bought a 2005 f250 crew cab 4x4 super duty.  I was told to
>expect 18-24 miles to the gallon, but am averaging around 15.  Anybody
[quoted text clipped - 5 lines]
>Anonymously scrawled on a bunker at
>Khe Sahn, RVN.

I have the same truck in a 2000 with the 7.3 and manual transmission,
I get 16 around town and the best I have gotten is 18.5 on the
highway.
SnoMan - 08 Aug 2005 06:37 GMT
>On Fri, 05 Aug 2005 09:48:55 GMT, Budroe
><budroe53@earthlink.net>
[quoted text clipped - 14 lines]
>I get 16 around town and the best I have gotten is 18.5 on the
>highway.

I still think the 7.3 is a better engine over all than 6.0 and better
for MPG too. Ford runns a lot of boost on the 6.0 and reduced CR ratio
slightly to accomidate this which reduces thremodynamic efficency some
which equals lower MPG and higher average fuel consumption vs the 7.3
Shabtai Evan - 06 Aug 2005 05:04 GMT
I bought a 2003 f250 6.0L diesel 2 months ago.  This is my first truck
and it's a trip.
Anyway,  going 70 mph, no load, the trip computer shows 21 mpg.
Going around town with stop and go I get 16 mpg.
With a lot of stop and go I  get down to 1.5 mpg.

While pulling a 20' boat from San Jose to Tahoe (0 to 6000' altitude) I
get about 14 mpg.

Shabtai

> I just bought a 2005 f250 crew cab 4x4 super duty.  I was told to
> expect 18-24 miles to the gallon, but am averaging around 15.  Anybody
[quoted text clipped - 5 lines]
> Anonymously scrawled on a bunker at
> Khe Sahn, RVN.
wcrbudox - 06 Aug 2005 05:41 GMT
snip
I have a F350 Dualie with 4.10 gears. I can get 19-20 mpg if I am real
careful with the throttle and stay right around 55-60 mph on mostly level
terrain.
I suspect that the 21-23 mpg is possible with you 3.73 gears and single rear
axle. It seemed to tak about 8,000 miles to get the engine broken in and
best mileage.
SnoMan - 08 Aug 2005 06:39 GMT
>snip
>I have a F350 Dualie with 4.10 gears. I can get 19-20 mpg if I am real
[quoted text clipped - 7 lines]
>and
>best mileage.

Consider yourself lucky because yours is the exception not the rule
because I have talked to many that are quite dissapointed with the 6.0
mileage. Also I can get 19 @ 65 with AC on in a 16 year old 4x4 burb
and I imagine over 20 at 55 and my 2000 K3500 gas with do about 17 or
so at 65 and like much better at 55 but I would rather go a bit faster
than 55 so what is really gained here when you factor in cost and fuel
cost? A few weeks ago I haul a fullsized 4x4 on a trailer in 95 degree
heat running 70 to 75 MPH and got around 11 MPG with AC chilling and
the engine never breaking a sweat tempature wise. To me deisels just
do not make sense at current prices for its option and more expensive
fuel too. They made more sense when they were a 2000 dollar option and
fuel cost less than gas but those days are gone.
SnoMan - 08 Aug 2005 06:36 GMT
>I just bought a 2005 f250 crew cab 4x4 super duty.  I was told to
>expect 18-24 miles to the gallon, but am averaging around 15.  Anybody
>out there doing any better?  What adjustments need to be made?

The 6.0 does not have the reputation for good fuel mileage that the
Cummins and Dmax does. Because of its design, it never will. Some do
okay but while a Chevy dealers around here will admit that a Cummins
will do about as well as their Dmax on fuel (Dodge dealers will say
likewise) they both agree that the 6.0 cannot touch them in fuel
comsumption or noise. Ford is slated to retire the 6.0 in the next
year or two. They have not been happy with it.
Eisboch - 09 Aug 2005 02:05 GMT
> I just bought a 2005 f250 crew cab 4x4 super duty.  I was told to
> expect 18-24 miles to the gallon, but am averaging around 15.  Anybody
[quoted text clipped - 5 lines]
> Anonymously scrawled on a bunker at
> Khe Sahn, RVN.

2005 F350, Powerstroke, 4300 miles.  15-16  mpg "around town", 18-19 mpg at
65-70 mph highway.  11 mpg or so towing 12,500 lb fifth wheel in "tow/haul"
mode at 60-65 mph. This truck is a Harley edition with 20" wheels.

Eisboch
Frank L. - 10 Aug 2005 02:00 GMT
With a mix of city and highway driving, but not towing anything other
than a small flatbed trailer from time to time, I average 16-17 in my
'05 F350 dually extended cab.  And I have a pretty light foot.
The OTHER Kevin in San Diego - 14 Aug 2005 04:23 GMT
>With a mix of city and highway driving, but not towing anything other
>than a small flatbed trailer from time to time, I average 16-17 in my
>'05 F350 dually extended cab.  And I have a pretty light foot.

Man, you guys are makin' me sick.  I get a whopping 9 MPG in my 6.8l
gasser F350...  hehehe
 
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