[TR] Silicon brake fluid

[Brian Induni]

I've been using Silicon Dot 5 brake fluid in my 4A since I finished the
restoration - 18 months ago - and have had no problems. In fact, it saved my
paint a few times!

Brian
67 TR4A



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Message: 7
Date: Sun, 19 Oct 2008 12:28:11 -0500
From: "Ken Gano palm top" <triumphs at consolidated.net>
Subject: [TR] Silicon brake fluid
To: "Triumphs List" <triumphs at autox.team.net>
Message-ID: <COEHIGDHIJHOCPAJBPBIAEKDDDAA.triumphs at consolidated.net>
Content-Type: text/plain; charset="us-ascii"

I Know, I know, this topic has been beat to death several times over the
years, but I have a very specific question.

I yesterday received a brand new early Spitfire brake dual master cylinder.
It is manufactured by TRW and has Lucas cast into the body.  On the OEM
box there is a warning Use of Silicon brake fluid will void warranty.

I have used silicon for several years in my rebuilt TR3 cylinders with no
apparent adverse effects and generally have been pleased.

Does anyone have any long-term experience using silicon in a Spitfire
master?  My guess is that is a liability issue and the manufacturer is being
overly cautious by warning against the use of silicon, but I am very curious
as to any real world observations in this regard and any educated guesses
as to why TRW would put such a warning on their label.

TIA

Ken Gano