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Discussion Starter #1
I have some friends that run farm fuel (Died) and say it's better for the engine having more lubricants and such. I know it's illegal to do so but is it better than road fuel. Just wondering.....

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2004 3500 Crew Cab (LB7)
 

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I don't know where he is getting his info, but off-road diesel is the same as what you get at the pumps, just not taxed. (and red dye) That is what I have read on many sites.
 

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Fuel

I thought there was a difference other than being non taxed and dyed. I was fust wondering. Thanks for the info.
 

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After doing a search on the internet, the only difference that there may be is the off-road stuff has a higher sulfer content than the on road stuff. High sulfer is not the best for our engines. There may be a different cetane rating too on it because it may be refined a little different. I have been unable to get a difiniative answer from a website that explains the difference. On another forum someone posted this:


"I have been using off road/ dyed fuel for years in my truck. I have been getting my fuel delivered and have talked many times to the driver while he fills my tanks. He fills up my off road diesel tank, on road diesel tank and my furnace fuel tank with the same hose. Then he puts some dye into the off road diesel tank and hands me the bill. He says the stuff is all the same."

You can read the thread here: http://www.gm-diesel.com/diesel/vbull/showthread.php?p=44807
 

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Fuel

Thanks alot for the research and information. I like your truck too it's sharp.
Thanks again.
 

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Higher sulphur content in dyed diesel. I have heard both sides. its the same, its not the same, ist better to run it, its not good to run it ect ect but our foremans run the stuff and dont seem to have any problems in their trucks.
 

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Does the red dye do anything to the exhaust color?? Or do they have to pull you over and take a sample out of the tank?

Seems pretty hard for them to do that without probably cause.
 

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They have deals that can check for the sulfur in your exhaust. I was told this by a fuel supplier in the area when a buddy was thinking of getting home heating oil in his extra fuel tank. If you get caught it is a huge fine! One guy already got caught in our area and he had to pay over 90,000 in fines.

The dye does nothing to your exhaust, but dont expect GM to warranty your truck...shoot they might actually turn you in for using it.
 

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Better lube in the high sulfur diesel. My truck runs noticeably better on 500ppm LSD than it does on the 15ppm ULSD at the pump. Died or not.

also most died diesel now is ULSD just died. A while backk and still can be found in some places, your died diesel will be the 500ppm LSD
 

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there is a service bulletin out that tells techs to allow red died diesel used to be ok.

The dpf will require lower surfer fuel, the 15ppm sold at all the pumps today. Died or not.
 

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i have a tier 4 and the dealer said not to run the died.... i know that thay probably have to tell u that. our farm diesel is Ultra Low Sulfer and that what it says on the fuel cap, to use only ULSD. any suggestions???
 

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hi sulphur fuel

does anyone kno whats reqired to run hi sulphur fuel ,, about 1000 ppm in a 2010 with the exhaust particulate filter?
 

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ive run offroad and had no problem with it. The only differnce i noticed was that it was 2.60 a gallon instead of 3.25 a gallon of diesel at the gas station!!!
 

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The only way to run it on an 07.5 and newer dmax is by taking off your DPF. If you run the high sulfer fuel for more than a tank or two you will plug up your DPF and they're very expensive to replace, and GM wont cover it since your truck is supposed to only be ran on low sulfer fuel.
 

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this topic gets hit pretty hard and the facts are that yes it is cheaper because you are not paying for a road tax, im glad the rest of us can pick up that slack where you guys cheat the system no wonder there are so many horrible roads in this country-off rant
 

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i think on 2010 duramax with particulate filter ,, need to remove the filter and get a controller to trick the engine controller to think the particulate filtervs still there,,, am i right?
 
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