On the other hand, I've had a couple of rubber brake lines start to
deteriorate internally causing the "checkvalve" syndrome to one degree or
another. In both cases, replacing the brake line remedied the problem. Of
course, that was on a 911 so it might not apply to Girling guzzlers...
*8o)
----- Original Message -----
From: <RodsINTOMG@aol.com>
To: <roger.j.karnopp@lmco.com>; <vintage-race@autox.team.net>;
<Bakeryoung@aol.com>
Sent: Monday, June 18, 2001 7:47 PM
Subject: Re: Datsun 510
> In a message dated 6/18/01 8:38:56 AM Pacific Daylight Time,
> roger.j.karnopp@lmco.com writes:
>
> <<
> I've experienced the problem of brake fluid not returning to the master
when
> using silicon brake fluid on street cars. Apparently the silicon brake
> fluid caused the master seals to swell enough to block the fluid return
> hole.
> >>
> Roger,
>
> I have heard all the excuses for why silicone brake fluid won't work on
> _________ fill in the blank kind of car. In just about every case,
something
> else is wrong, not the brake fluid. I have been using silicone brake
fluid
> for over twenty years in my: 1952 MGTD, 1959 MGA, 1967 MGBGT, 1952
Studebaker
> truck, 1954 Ford F-100 hot rod with Chrysler Cordoba disc brakes, Any car
> worth keeping is worth changing over to silicone brake fluid.
>
> I have never had a piece of rubber swell up. In fact silicone is a rubber
> presertive, so your rubber parts should last longer. If the rubber came
into
> contact with hydrocarbons like: oil, solvent etc, that is what caused the
> swelling.
>
> Cheers,
>
> Rod Schweiger
> MGB #119
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