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Discussion Starter · #1 ·
can purple diesel gum up the injectors? I was told not to use marked fuel because of the dye but I can't see how it would harm anything we use it in our drill rigs all the time and they never have problems with it.
 

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God, I hope not! We have dyed fuel for off road use here and I plan to use it this summer when I'm in the field.
 

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You shouldnt have any issues just make sure to keep a spare fuel filter in your truck because the tanks it comes out of can be really dirty sometimes. I have known guys with the 6.7 cummins running rig fuel with no issues in PA and WV.
 

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Discussion Starter · #5 ·
There is no purple fuel, only red. most of red is USLD now but some is still LSD, I run LSD whenever I can. There is no harm in running either, well, other than tax evasion LOL
Yea I guess I am just used to calling it purple, maybe its gas thats purple, anyway marked fuel is much cheaper if you have the right conections.:rof
 

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So far my LLY hasnt had any problem on the Red "Off Road" stuff. Just becareful, I know that in Va & Md, DOT loves to catch people runnin it in there trucks and the fine is based off how much your truck can hold and not how much you have in it!
 

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GM even has a bulletin out around 05 that the dyed full is fine and wont cause any warranty issues...Non ULSD in a 2007+ truck though and you may find problems at the dealer.
 

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Yea I guess I am just used to calling it purple, maybe its gas thats purple, anyway marked fuel is much cheaper if you have the right conections.:rof
Yup lol I get the "cheap" fuel from my buddy that does demolition, just flip him some cash and tank is full.

Interesting thought though, I heard form the bio place her ein AZ that 25ML of red dye can treat a 250 gallon tote of #2... :eek::eek::eek:



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Discussion Starter · #9 ·
Yup lol I get the "cheap" fuel from my buddy that does demolition, just flip him some cash and tank is full.

Interesting thought though, I heard form the bio place her ein AZ that 25ML of red dye can treat a 250 gallon tote of #2... :eek::eek::eek:
I was down in the Montana a couple of weeks ago and bought red dye for 264 a gallon that works out to 64 cents a litre about 35 cents a litre cheaper than what I get fuel for in Canada. I love making trips to the states especially when the dollar is at or near par, Going to Idaho next weekend to camp, shop costco and go to Silverwood with the family.
Oh and here in B.C. the marked off road Diesel is purple
 

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ive ran it in mine since i bought it put one injector in at 90k because of cheap tuning. gotta love free fuel. if you work on a rig don't buy it get you a tank from tractor supply and keep it full or steal ya some drums from work and carry fuel cans. piss on payin for it.
 

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So far my LLY hasnt had any problem on the Red "Off Road" stuff. Just becareful, I know that in Va & Md, DOT loves to catch people runnin it in there trucks and the fine is based off how much your truck can hold and not how much you have in it!

How do they test for it?
 

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Discussion Starter · #12 ·
I was surprised in Montana that they sell it at the pump and anyone can just pull up and fill up. Here you need special authorization at a card lock and only loggers, farmers and off road vehicles can get authorized, its hard for anyone to get marked fuel so the DOT don't check often for pickups with it. When we work at the Coal mines we drive our Work trucks there on E and drive out on F all the time, never had a problem yet.
 

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We have access to off road fuel on our ranches but it is a PITA to get from the suppliers.
 

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How do they test for it?
they stick a clear hose in your tank put their thumb on the end of the hose and pull it up. im sure every state has a diff way of doing it tho
 

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they stick a clear hose in your tank put their thumb on the end of the hose and pull it up. im sure every state has a diff way of doing it tho
they do the same thing here in MT... Only reason i know this is I drive comercial truck around the state, been stopped a couple of times and checked. Not a big deal for us following the rules
 

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they do the same thing here in MT... Only reason i know this is I drive comercial truck around the state, been stopped a couple of times and checked. Not a big deal for us following the rules
its only breaking the rules if you get caught. i always run some green stuff through mine a couple times before i tow anything.
 

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they stick a clear hose in your tank put their thumb on the end of the hose and pull it up. im sure every state has a diff way of doing it tho
I forgot the diesel pickups don't have the same restricted fill pipe the gassers do. In California, none of the code enforcers bother with pickups too much unless you are towing or hauling BIG loads.
 

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can purple diesel gum up the injectors? I was told not to use marked fuel because of the dye but I can't see how it would harm anything we use it in our drill rigs all the time and they never have problems with it.
Haha. My truck LOVES red diesel, almost as much as I love the free price tag.

Of course, the authorities around here have started "dipping" tanks to make sure you're not running it. The fine for running off-road diesel on the highway is nuts.
 
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