Dan,
I'm not going to plunge into the silicone vs. DOT3/4 argument, but I
don't think
you want to use the Sandstrom dry lubricant on anything but the inside
of the
vacuum chamber of the servo. The master and slave cylinders are
lubricated by
the brake fluid (whichever one you use).
bs
Dan Stromquist wrote:
> I would like to add one more item to the list of pros and cons of silicon
> over regular brake fluid. I just rebuilt front and rear brakes as well as
> the servo and both the master and slave cylinders (resleived in stainless)
> on a 64 BJ8. One thing I found outside all the pistons was a greenish white
> chalk that was at times hard. My assumption was this was old brake fluid
> that had leaked and crystallized. I am wondering if anyone has used silicon
> in their braking systems long enough to comment on whether silicon is an
> improvement in that regard. I might add that that just about everything was
> rebuilt about 20 years back and had about 3000 miles capped off with five
> years of no activity. The actual rubber in the cylinders looked good but
> the outsides of each piston was cruded up.
>
>
>
> On question I would have is it proper to treat the inside of all the
> cylinders with the dry Sandstrom lubricant whether I use regular brake fluid
> or silicon?
>
>
>
> Dan
>
***************************************************************
Bob Spidell San Jose, CA bspidell@comcast.net
'67 Austin-Healey 3000 '56 Austin-Healey 100M
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