tripledigitken
Ultra Nomad
Posts: 4848
Registered: 9-27-2006
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Diesel Economy running on ULSD?
I use my Ford diesel so infrequently I'm not sure my assumption is correct, but.....................
It seems that my mileage is not as good running on this new formulation. I'm getting 10% to 20% less mileage now. I'm about ready to have it checked
out to see if I have a problem or not.
Have any of you running stricly on ULSD (stateside) noticed a decline in mileage?
Ken
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Frank
Senior Nomad
Posts: 861
Registered: 6-5-2005
Location: San Diego
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Mood: Is it time to leave yet?
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Ive noticed the samething, I dont think its your truck.
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beercan
Senior Nomad
Posts: 670
Registered: 4-3-2005
Location: North of da Bear
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Mood: happy to be in Baja
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I have the same results.
Every time they change the fuel , it affects the mileage.
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Hook
Elite Nomad
Posts: 9010
Registered: 3-13-2004
Location: Sonora
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Mood: Inquisitive
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For the first time in the four years I've owned my Ford truck, I had a chance to drive it a long distance at freeway speeds WITHOUT TOWING ANYTHING OR
HAVING THE CABOVER CAMPER ON THE BACK.
I drive a 2000 F350 4wd, 3.73 rear axle. SRW, 7.3L engine using a programmer with the basic towing preset (basically, it extends shifts and richens
the mixture).
I went from LA to Denver with a large load of belongings in the back with a tarp over it. Probably about 500lbs worth of stuff.
Driving 70-75 the whole way, I got 17 mpg.
I then took a trip to South Dakota and Iowa and did a large section on two lane highway with very few towns. Could only average about 60-65. I got
18.3mpg. All of this on ULSD.
I cant compare this to any pre-ULSD driving, as I was always towing or hauling the Lance or both.
But maybe it might be helpful for comparison sake for others. Programmers and chips rarely, if ever, improve mpgs.
I'll see about filling up down here in Sonora before a long trip with good old high sulphur diesel and see if I can drive at comparable speeds and see
what's up. I am always driving around on the tow setting of the programmer; it's nice.
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Barry A.
Select Nomad
Posts: 10007
Registered: 11-30-2003
Location: Redding, Northern CA
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Mood: optimistic
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------my ' 94 Ford F-250 stick-5-speed 460 gas engine gets 10mpg in California, and 13 mpg consistantly in Colorado-------what's with that?? That is
a huge difference.
CA fuel mixture different??
Barry
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Bajajorge
Ultra Nomad
Posts: 2604
Registered: 10-13-2005
Location: Topaz Lake, NV/San Felipe
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My Dodge diesel always got better mileage on Mexican high sulphur fuel. Sounded better too, seemed smoother. I do, however believe that mileage has
dropped since the inception of ULSD in the US. Haven't compared it yet to Mexican.
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805gregg
Super Nomad
Posts: 1344
Registered: 5-21-2006
Location: Ojai, Ca
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My Jeep Liberty seems to run better on Mex diesel.
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TMW
Select Nomad
Posts: 10659
Registered: 9-1-2003
Location: Bakersfield, CA
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| Quote: | Originally posted by Barry A.
------my ' 94 Ford F-250 stick-5-speed 460 gas engine gets 10mpg in California, and 13 mpg consistantly in Colorado-------what's with that?? That is
a huge difference.
CA fuel mixture different??
Barry |
I would guess two reasons. Colorado doesn't have a pollution blend like CA and at higher altitudes with the same or similar octane it's burning
better.
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