<VV> Dual Master Brake Cylinder Questions

[harryyarnell]

The '67 was the first year for a dual master cylinder.
As for the hard pedal, and locking rear brakes, sounds like sticking wheel
cylinders.
If the brake system hasn't been 'gone thru' in a number of years, I suggest
a complete check/ rebuild of the entire brake system.
There should be a BRAKE lamp on the IPC; does it light when the brakes are
applied?
That would indicate unequal pressures between front and rear.


-----Original Message-----
From: virtualvairs-bounces at corvair.org
[mailto:virtualvairs-bounces at corvair.org] On Behalf Of Bob Gilbert
Sent: Sunday, April 21, 2013 1:28 PM
To: virtualvairs at corvair.org
Subject: <VV> Dual Master Brake Cylinder Questions

Hi,

 

I'm helping a friend get his 67 Monza on the road. A PO replaced the stock
master cylinder with a dual setup. I don't know anything about the setup
other than that and I've never had a Corvair with a dual master cylinder
installed. All of the brakes work but I noticed that when doing the
hard-harder brake test that the rear brakes lock up and the fronts don't. It
doesn't feel right at all but I was wondering if that is a "feature" of the
dual set up?

 

Also the brake pedal feels very hard and there is almost no movement before
the brakes engage. Again, is that a "feature" of this type of setup?

 

Thanks,

Bob

 

 

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