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> >>
> I have lost reference to a website and I hope that you can help me
retrieve
> it.  Quite recently I was referred to another aviation website perhaps by
> someone from this Lancair forum.  The lost website convincingly (to me, a
> rank amateur and non-engineer) argued that the use of Aeroshell 30w oil
> provides better engine wear protection at every OAT and engine operating
> temperature than does 15w50 and/or other oil types.  The lengthy article
was
> supported by test results of radioactive cylinder lining material being
> removed in particle form into the oil and sump.


Greg this is a reprinted article for the TBO advisor.  I think this might be
the one you are looking for.

http://www.eaa49.av.org/techart/str_oil.htm

Gary Melton, LNC2,  N320GG
Sacramento area
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