Scott all you did when you went to silicone was
raise the dry boil to 350 degrees, there for it took
a little longer for the heat to take effect. I experienced
the same problem of mushy brakes when I first
built the car. I had no protection around the
master cylinder from header heat. A good friend
of mine who happens to have been a crew chief
on a nascar team, looked at my problem and told
me to wrap the headers with two layers. I did and
I never experienced the problem again. Also I found this
on the russell brake fluid bottle.
DOT 5 Silicone Brake Fluid was developed for severe service and competition applications. Complies with Federal Motor Vehicle Safety Standard #116, and will not boil at temperatures up to 500° F. Russell Silicone Brake Fluid is not hygroscopic (it will not absorb moisture from the air) and will not damage paint or chrome. Not compatible with DOT 3 and DOT 4 brake fluids.
So go figure. Who's right? I say show me that it is
definetly the silicone and I will change. Until then
I'm sticking with it. In this climate I seriously
dought that moisture will be a problem.
Your Friend,
BT SNAKE
Hersh
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