<VV> Corvair content, Really! (brakes)

[Ron]

So you've had two brake failures with dual masters in 20 years?  I have not 
converted any of my four running Corvairs to dual brake cylinders and have 
had no brake failures in the last thirty years.  Go back to stock!
RonH

----- Original Message ----- 
From: "Bryan Blackwell" <bryan at skiblack.com>
To: "Virtual Vairs" <virtualvairs at corvair.org>
Sent: Wednesday, March 23, 2011 9:48 AM
Subject: Re: <VV> Corvair content, Really! (brakes)


> You have to bear in mind there are a number of people in the Corvair 
> community (and on this list) who have access to GM engineering drawings 
> and many years - in some cases since the cars were new - of experience. 
> The answer "it's only a switch" came from one of those sources (larry 
> claypool, I believe).  GM parts books list it as a switch as well, not a 
> valve.  Thinking about how one works, it shouldn't be that tough to do a 
> non-destructive test if you really want - the whole point of a shuttle 
> valve is to cut off flow, so you should be able to test for that.
>
> This makes twice (in about 20 years) that I've had a failure on two 
> different dual m/c converted cars and both systems worked as advertised. 
> In both cases the pedal assembly was original to the car, one was a '65 
> and the other a '66.  The '65 is with the stock '69 m/c and switch, the 
> '66 without.  I suspect there's a step that's more important to the 
> installation than we think, I'll have to look and see what's in the Tech 
> Guide on the subject.
>
> --Bryan
>
> On Mar 23, 2011, at 12:24 PM, Ramon Rodriguez III wrote:
>
>> I just searched the archives and couldn't find where anyone had actually 
>> cut
>> one open. (it was a little tricky to follow as part of the convo was
>> apparently on fastvairs)  There was a post with a bunch of pictures of 
>> the
>> outside of the unit and someone made a statement that it is definitely 
>> just
>> a switch but I don't know on what basis.  I don't really see how you 
>> could
>> say for sure without seeing the inside.
>
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