oldtoyboyd
1/2 ton status
I didn't have a diesel when the ulsd changeover happened. What kind of mileage difference did yall see that were driving diesels on a regular basis then?
CK5
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ulsd vs lsd mileage
- Thread starter oldtoyboyd
- Start date
I get about 2 - 3 mpg better on farm diesel (which still contains sulfur). Truck sounds healthier and smokes less as well. My Duramax likes the farm diesel too, better mileage, and less rattle.
I always run some 30 weight engine oil mixed into the fuel for my 6.2L, helps restore the lubricity it was designed to operate with & doesn't get with ULSD. I typically add 2 quarts of engine oil to every 30 gallons of diesel fuel.
I always run some 30 weight engine oil mixed into the fuel for my 6.2L, helps restore the lubricity it was designed to operate with & doesn't get with ULSD. I typically add 2 quarts of engine oil to every 30 gallons of diesel fuel.
I've only ever run ULSD (it came around about 2 weeks before I got Big Ugly) but I have noticed that if I run one of them without an additive it seems a bit clankier and crankier.
BILTIT
1/2 ton status
ULSD does get lubricity additives, just may not be as good as sulfer.
smalltruckbigcid
1/2 ton status
Okay guys just remember that running offroad diesel is illegal. Now having said that depending on where you live the offroad is only died road diesel. But it some areas there is a difference or a different blend.
Russell is in Canada and I think the fuel colors up there blue (offroad) and bronze (road), while here in the states its red and clear or wheat colored (different name for bronze I think). Adding clean oil I don't think will change the color of the fuel om road fuel. Adding transmission fluid or used engine oil will change that color.
Doesn't seem like a big deal but here in the states the gov't can fine up to $10K for running the wrong fuel. Adding anything to the fuel that changes its color makes it the wrong fuel. One phone call to the fuel tax people from an "unknown" caller and you'll get a visit from them with a diptube in hand.
Never happen? They were doing this at grain elevators here in the midwest all summer on farmers diesel pickups...and they caught more than a few violators.
Around here road diesel is blue (ish) not sure what color farm diesel is...
Rene
Rene
I was told that the US runs diesel in 3 different colors. White or clear is on-road fuel, Red is off-road, and Blue is military. I can confirm the first two, the last I'm going off what my dad told me from his time in the Navy. Now as of Jan 1 2009 all three fuels are suppose to be ULSD which means an additive is highly recommended. The dyes pretty much mean if tax has been added or not.
Seems like the road diesel is always a yellowish color to me. Looks the same in Kentucky and Michigan too.
Yea the on-road always has like a greenish tint here in jeresy 
. But that's how it was explained to me, being those three colors.
. But that's how it was explained to me, being those three colors.
Farm diesel is tinted purple up here, just like farm gas. Summer diesel is usually fairly clear, winter diesel has a bit more of a florescent yellow color, kind of like a yellow hi-lighter if you accidentally dribble onto the snow in the winter.
Farm diesel up here is different than street diesel, it is the same blend that street vehicles used to run all the time before LSD and ULSD was phased in. I know so for a fact as I used to work at the refinery that produces street diesel, marked diesel, kerosene, JetA and JetB along with various grades of gasoline, both marked and un-marked.
I hadn't heard about / considered the potential legalities of adding colored oils to your fuel for lubricity... If I don't have any 30 weight engine oil available, I'll often add ATF instead. That'd definitely mark my diesel purple like farm diesel...
Farm diesel up here is different than street diesel, it is the same blend that street vehicles used to run all the time before LSD and ULSD was phased in. I know so for a fact as I used to work at the refinery that produces street diesel, marked diesel, kerosene, JetA and JetB along with various grades of gasoline, both marked and un-marked.
I hadn't heard about / considered the potential legalities of adding colored oils to your fuel for lubricity... If I don't have any 30 weight engine oil available, I'll often add ATF instead. That'd definitely mark my diesel purple like farm diesel...
smalltruckbigcid
1/2 ton status
Another trick they look for are guys running 2 tanks on a refer unit under the trailer. Certain states like Missouri have been known to check the truck tanks for red fuel on those setups. Yeah some guys are really siphoning/pumping the red fuel into the truck tanks to lessen their fuel costs.
