Subject: [s-cars] Fliud questions

[Theodore Chen]

--- Mike Platt <mplatt911 at yahoo.com> wrote:
> Brake fluid. Track junkies, like myself swear by the
> blue stuff but I have been using the Valvoline syn
> power dot 4. The boiling point is like 5 degrees less
> than the Super blue, price a bit less. I ran some
> track days in my 2400 lb P-car with no problems. It's
> been in my 4000lb avant with no problems either.

the valvoline synpower brake fluid is actually rated DOT 5.1.
it's the best street brake fluid i've found that doesn't come
with a large pricetag attached.

however, it is no better than marginal for track use.  i can
boil it at will in my spec miata, which as you all may know has 
maybe 110 hp and weighs 2200 lbs.  i was running at thunderhill (not
a hard braking track) on old 185/60/14 race tires (not a lot of grip).
i bled my brakes several times over the weekend.

it'll be just great in a street car, though, and that's what i use
in my '92 S4.

for the racetrack, i like motul 600.  i'm not too crazy about ATE,
which never quite boiled outright but left me with a low pedal at the
end of the day.  it just doesn't seem to recover from localized boiling
very well.

-teddy


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