Silicone Brake Fluid vs. ATE Super Blue

[Glenn Lawton <lawtonglenn@gsmai.com>]

Sorry to have to ask again, but I am still confused.

I gave my mechanic a litre of ATE Super Blue, but he
didn't really want to install it. He has many other
customers that track their cars, and said that
several (Porsche) guys used to run it, but had
problems (undefined), so they switched back to "regular"
DOT4 fluid.

Since I have always run "regular" DOT4 at the track
and have been OK, I took the cautious route, and
did it again.

However, I think perhaps that the Porsche guys had
problems with silicone DOT5, not with ATE Super Blue,
which, as far as I can tell is:
	Not Silicone
	Not DOT5

Am I nuts? Am I confused? What's wrong with high
temperature DOT4? How do they make it high temperature?

Glenn Lawton
1983 TQC
1990 20V QC
1986 4KQ
1985 230TE