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Re: [Mgs] 78 MGB Brake fluid change

To: "Richard Gosling"
Subject: Re: [Mgs] 78 MGB Brake fluid change
Date: Sun, 11 Jan 2009 13:54:37 +0000
Richard, I think the reason for the uncertainty regarding the seals is based 
upon the vintage of the seals. If they are relatively new they may be made from 
a compound compatible with DOT5. Older/original rubber may not be. And since 
we're talking brakes, wouldn't a proper rebuild be prudent?  I mean, the reason 
to switch to DOT5 is high temp performance and freedom from DOT4's hydroscopic 
nature. The former says you should rebuild anyway unless your brakes are new. 
The later is just a matter of good brake maintenance. Either fluid should be 
flushed annually. 

Just my unsolicited two cents. :-)

------Original Message------
From: Richard Gosling
To: Steve Gorr
Sent: Jan 11, 2009 3:08 AM
Subject: Re: [Mgs] 78 MGB Brake fluid change

Yes, you should flush the system with denatured alcohol / methylated spirits
before introducing the silicone fluid.

I have heard tell that all seals should be replaced when you switch to
silicone, but others have apparently made the switch without replacing seals
and it has been OK.  But this is hearsay, so don't take my word for it!!

Richard & Sammy ('73 Black Tulip BGT)
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