Ultra-low sulfur diesel fuel affects lubrication

[James Harvie]

The first diesel that Rudolf Diesel marketed, was designed to run on straight
vegetable oil, although the first diesel tested, ran on coal dust. I wouldn't
hesitate to run a mixed blend of 20% Biodiesel, to 80% Petrodiesel,(although
Biodiesel is still illegal to use in the US due to epa regulations) The problem
with Biodiesel is that it has a high gel rate, (+32*F) compared to Petrodiesel
(-15*F) so if used straight in cold weather, has to be preheated, in order to
flow. the other concern would be that Biodiesel has more solvents, than
Petrodiesel, which will disolve sludge that may be in the tank, so if one
decides to go this route, plan on changing the filters frequently for a while.
As for this new Ultra Low Sulpher Diesel, I wouldn't run one drop of that,
without at least some form of lubrication additive, do to the fact, that it
dosen't have enough Jimmy Harvie
82 FC Boston Ma
Al wrote: On another forum that I participate in
someone found the following
article summarizing the wear that Ultra-Low Diesel has on diesel
engines.

"A lower wear score indicates better lubricity. Biodiesel has been
tested at varying concentrations with No. 1 and No. 2 diesel fuels. The
results indicate that a 1 percent blend of biodiesel with No. 2 diesels
is sufficient to reduce the HFRR micron score below the required 460
micron standard. However, a 2 percent biodiesel blend is required in
No. 1 diesel to get the HFRR micron score down to 460 microns."

Link to the article
http://www.farmandranchguide.com/article...roduction_
news/prod20.txt

Al, Kathy, Alfred & Daniel Johnson
'96 BMC B75
Mandeville, Louisiana






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