Fuel Additives
i ain't rite
Joined: Mar 2005
Posts: 65,564
Likes: 5,601
From: Marlboro Mental Hospital.
10 years ago when that survey was done there was almost no additives put into ULSD. then they realized there was no lubrication in it and people were having all kinds of problems. the ULSD of today is nothing like the ULSD of 10 years ago.
any lubrication needs of any engine made are more than met by todays fuel.
any lubrication needs of any engine made are more than met by todays fuel.
Hotshot
Joined: Mar 2012
Posts: 10,590
Likes: 382
From: Texas
Originally Posted by tjc transport
10 years ago when that survey was done there was almost no additives put into ULSD. then they realized there was no lubrication in it and people were having all kinds of problems. the ULSD of today is nothing like the ULSD of 10 years ago.
any lubrication needs of any engine made are more than met by todays fuel.
any lubrication needs of any engine made are more than met by todays fuel.
i ain't rite
Joined: Mar 2005
Posts: 65,564
Likes: 5,601
From: Marlboro Mental Hospital.
when ULSD was mandated back in 2006, there were very few additives put into it, which resulted in low lubricity. this in turn resulted in injector and injector pump failures. within 6 months the fuel refinerys started adding lubricants, and by the end of 2007 ULSD actually had more lubricants than the old high sulfur fuel. and has stayed that was ever since. the bigger issue is that diesel fuel cetane ratings dropped form over 60 to between 40 and 45.
the higher the cetane number, faster the ignition delay, resulting in more efficient fuel burn. the lower the cetane number, the longer the ignition delay, resulting is less efficient fuel burn.
more efficient burn results in better fuel mileage.
the higher the cetane number, faster the ignition delay, resulting in more efficient fuel burn. the lower the cetane number, the longer the ignition delay, resulting is less efficient fuel burn.
more efficient burn results in better fuel mileage.
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Lead Driver
Joined: Oct 2003
Posts: 8,476
Likes: 37
From: Madison, WI
So the study was published August 2007. Does anyone know whether it was before or after the refineries added lubricity additives?
Note, too, that the study is about lubricity, but includes products like Power Service DK, which makes no lubricity claims. It's a cetane boost and, in the case of the white bottle, an anti-gel product. Ranking it low in the study is like including cherry juice in a study of transmission fluids and ranking it low.
Note, too, that the study is about lubricity, but includes products like Power Service DK, which makes no lubricity claims. It's a cetane boost and, in the case of the white bottle, an anti-gel product. Ranking it low in the study is like including cherry juice in a study of transmission fluids and ranking it low.
More Turbo
Joined: Jul 2005
Posts: 579
Likes: 7
From: Auburn, CA
I don't think so. If you could, point me to your information.
ULSD has been around for a long time. So long in fact, most overseas engine manufacturers had to make US spec engines to deal with our high Sulfur content fuel.
I dunno. I am no expert though.
ULSD has been around for a long time. So long in fact, most overseas engine manufacturers had to make US spec engines to deal with our high Sulfur content fuel.
I dunno. I am no expert though.
i ain't rite
Joined: Mar 2005
Posts: 65,564
Likes: 5,601
From: Marlboro Mental Hospital.
american vehicles were not made to overseas specs though.
american vehicles were designed to run on ULSD only when it was mandated for use here.
with the exception of hong kong (2000) and sweden (1990) almost all foreign countries did not mandate ULSD until 2010, and some were even later in 2012 and 2015.
american vehicles were designed to run on ULSD only when it was mandated for use here.
with the exception of hong kong (2000) and sweden (1990) almost all foreign countries did not mandate ULSD until 2010, and some were even later in 2012 and 2015.
Cargo Master
Joined: Jul 2015
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From: Aransas Pass, Tx