Virgin VO (VVO) has to be heated to 260F or higher to approach the
viscosity of diesel. See the bell curve chart here:
http://bunkum.us/svo/viscosity.html Biodiesel is the ONLY way to go.
Luther KB5QHU Forest Park, IL
'98 ML320 "Max" (166,xxx mi)
On 5/29/2013 8:34 AM, Smith, Todd wrote:
I have been following the Biodiesel and SVO community since 2004 and while I
certainly see the advantages and disadvantages to each system; Biodiesel makes
more sense in my situation. All of the reading and listening to SVO advocates
and some that posted hard data to analyze; I believe that viscosity is by and
large the silent killer of IP. Some of the tests that I have seen have shown
SVO heated to 180 degrees F. which should be normal operating temperature for a
properly warmed up system; showing viscosity far in excess of cold No.2 diesel.
Mike, you don't have to take my word for it. When you get a chance, read the
link on measuring the viscosity of motor oil at ehow;
http://www.ehow.com/how_6218753_measure-viscosity-motor-oil.html .
Simply run two tests, one for your diesel fuel at ambient temperature and one
for your SVO at the normal operating temperature that your system runs. If
there is a huge difference then your IP HAS to work harder to pump fuel and
would wear more than typical. Jim Cathy's comment about dissolved salts and
Grant's comment about pH balances could certainly over a long term have some
effects, but IMHO viscosity is the real issue. If you do test your viscosity,
please report back since I would love to see if in your situation it is the
same as has been reported in other places.
Thanks for your time.
Todd Smith
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