> Castrol LMA. Has a very high boiling point,
I tried to check that out on Castrol's web site ... all it says is that
"typical" dry boiling point is 509F. Only "guaranteed" performance is DOT
4, which means 446F dry, 311F wet.
Considering that Castrol has been in court several times in the last few
years, first claiming that any percentage at all of 'synthetic' counts as
"semi-synthetic"; and then that basically any oil that comes through a
modern refinery can be described as "synthetic" ...
BTW, the Wikipedia article is flawed as well. Code of Federal Regulations
Title 49, Chapter 5, FMVSS 571.116 defines performance standards for brake
fluid, but not what chemicals go in them. Except for "DOT 5", where it says
only that it must be at least 70% "a diorgano polysiloxane".
Randall
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