I was told in a scientific manner that synthetic wasn't great for race
applications. We use DOT 4 rated fluid. It's not nearly so nice on the paint,
but can tolerate heat pretty well. Our brakes get hot enough to cook the seals
a
couple of times a season. I seem to remember the reasoning for synthetic being
bad is that it has some compressibility? Maybe someone has a more scientific
answer...
- Tony Drews
jdesanti@inficon.com wrote:
> Just curious, what is the best brake fluid for racing these days. I supose
> Vintage applications
> are less critical as the events are shorter (just guessing) and the fluid may
> not get hot.
>
> I have had very good luck with synthetic.
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