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Discussion Starter #1
I just finished a Granada brake swap on the mustang. It works so well that now im considering rear discs too. If I go ahead with it, am I going to need a new disc/disc master cyl? Im usng a 74 maverick manual disc/drum now. Could I just gut the rear of the distribution block and use an adjustable proportioning valve to keep the maverick master?
 

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You'll need a 1-inch bore on the master.
Is that what you have? Also, you'll need
to remove the residual pressure valve(s)
in the m/c ports if present. Disc don't
require the valve for you application.
 

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You may be able to get the info out of
the manufacturers catalog at your local
parts store.... if they still have catalogs
there. I'm using a 1" bore master cylinder
from the 1968 Mustang drum/drum application
with the residual valves removed on
my 66 GT with a 4 wheel disc setup. It's
been like that for 7 years or so and works
very well. Low pedal pressure and excellent
response.
 

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I also run a 4-wheel disk set up on my 65 Falcon.

The fronts are Granada spindles fitted with new Cobra Mustang calipers and the backs are Aerospace Components vented disks for a big bearing 9-inch.

The master I was going to use before I switched to the new Cobra front calipers was the same one you have now.

I changed over to a Dodge van master that has a bigger piston and is made from aluminum.

I think I paid like $40 for the Dodge van one from Napa?

It was a direct bolt in for my car and will give more stopping power for my 4-wheel disk system.

I also use a adjustable prop valve in the system too.
 
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