FUEL
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Senior User
Joined: Dec 2011
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FUEL
No this isnt another ip question or injector question. Mainly more a disscussion topic.
So how ever many years ago when diesel was made properly (before they did the ppm BS,) what is your take on it.
I feel that since they had decided to move to this new fuel, which i would think is to be more "eco-friendly" could actually be robbing power from our trucks which were built to run off the high sulfer content. Not to mention i also believe that the fuel got a better burn when it was at the rate it was at.
Granted i beleive that was all they had changed about it, why do companies not make a addative for the older model diesels to "hop" up the sulfer content or was there something else that was in the fuel that made it more "harmful" compared to todays fuel?
Just a thought that has been pondering in my head since we got started on pop pressure and duration, fuel delivery ect.
Mike
So how ever many years ago when diesel was made properly (before they did the ppm BS,) what is your take on it.
I feel that since they had decided to move to this new fuel, which i would think is to be more "eco-friendly" could actually be robbing power from our trucks which were built to run off the high sulfer content. Not to mention i also believe that the fuel got a better burn when it was at the rate it was at.
Granted i beleive that was all they had changed about it, why do companies not make a addative for the older model diesels to "hop" up the sulfer content or was there something else that was in the fuel that made it more "harmful" compared to todays fuel?
Just a thought that has been pondering in my head since we got started on pop pressure and duration, fuel delivery ect.
Mike
Lead Driver
Joined: Apr 2008
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Well the only two things i have to add are thus: somewhere ive read that in heavy duty engines LSD called for a 150hr oil service interval, whereas regular old high sulfer called for 100hr service interval. secondly, our 03 runs like chit on regular farm diesel, i honestly cant tell a difference in my idi between the two other than i seem to get better mileage with ULSD vs good old farm fuel (was bought before farm fuel switched to LSD)
Hotshot
Joined: Oct 2002
Posts: 18,488
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From: The Big, Oregon
I know my old steam cleaner worked great on off-road diesel, but smoked like crazy on the ULSD. Same for the 4B powered telehandler at work. I can't test on my truck since the red stuff is ULSD now as well, but have heard similar results in these engines.
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The main reason is what i want to know of why the "government" decided to make it more expensive because of the extra filtration/seperation. Not only that but why they decided to make companies do this to the fuel. i think it was more the epa's choice than anything. but still i personally liked the smell of the good ol farm diesel vs ulsd. < just sounds like a horrible meat product
Postmaster
Joined: Feb 2011
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as for taking care of the planet, we need to keep in mind how much more fuel we burn for refining so much energy out of it. sometimes the government does more harm than good. all things in moderation!
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i agree and i think thats what i had noticed about it was the energy that it lost. honestly i had always thought that the old farm fuel made a better fuel when they had switched to the ulsd < still sounds like a bad drug or meat> i honestly could tell a power difference in it and back then when that happened what was it 2008 i believe maybe later im not sure i was driving around my baby. 7.3 nick named the black widow for her good looks. truck ran like a champ even after she put a rod threw the oilpan. but honestly is there a addative that at least we can stick in our fuel tht not only gives the power that the old fuel had and also the lubricity back too.
Not really saying that the power would make much difference but for some reason i still think that it burned better and also the better lube would be a great thing or is that what the diesel kleen is for. If that what that **** is for then it does no good because i have used that alot and never seen a difference
Not really saying that the power would make much difference but for some reason i still think that it burned better and also the better lube would be a great thing or is that what the diesel kleen is for. If that what that **** is for then it does no good because i have used that alot and never seen a difference
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i ain't rite
Joined: Mar 2005
Posts: 65,563
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From: Marlboro Mental Hospital.
i think the largest hit on mileage has occurred by lowering the cetane rating. the current cetane of diesel fuel is 40.
back in 88 when i bought my truck, i was buying 60 cetane fuel.
beck then i would regularly get 20 mpg .now i am lucky to get 12 mpg.
back in 88 when i bought my truck, i was buying 60 cetane fuel.
beck then i would regularly get 20 mpg .now i am lucky to get 12 mpg.
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Logistics Pro
Joined: Sep 2007
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From: Western Mass
Thats what I don't understand, how does burning MORE fuel to go the same distance help with emissions??? Ok, so we took out the sulfur as the sulfur dioxides in exhaust cause acid rain and other issues, so there is less of that getting out, but MORE CO2 and NOX emissions because we have to burn more fuel to do the same thing.
It doesn't really make that much sense....
It doesn't really make that much sense....
Logistics Pro
Joined: Dec 2005
Posts: 4,644
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From: Moro Bay, AR
Thats what I don't understand, how does burning MORE fuel to go the same distance help with emissions??? Ok, so we took out the sulfur as the sulfur dioxides in exhaust cause acid rain and other issues, so there is less of that getting out, but MORE CO2 and NOX emissions because we have to burn more fuel to do the same thing.
It doesn't really make that much sense....
It doesn't really make that much sense....
I used to run an older LN 9000 Ford service truck that was powered by a 6-71 Detroit, when we still had high sulfur diesel I was averaging 10 MPG with a 30K lb. truck. When fuel went to LSD, I dropped to 8.5 MPG, when it went to ULSD, I dropped to 6.5 MPG. Nothing else changed but the fuel
Needless to say, that ol service truck is no longer on the road 
I have run IDIs for many years and really didn't notice a lot of difference in power or fuel economy with the switch, but my Mercedes sedan took a hit on MPG too.
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well its funny though, I work as a tanker driver, locally, delivering to farms/businesses, The U.P.R.R is still allowed to run 500ppm high sulfur diesel, im wondering why epa didnt put a stop to them running it, when they call us to use our fuel we can only give them 15ppm because thats all im allowed to buy, but sometimes they call us to get fuel out of their tanks, and transfer it to their engines via our truck ( i know, crazy stupid huh?) and its the good old 500ppm