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Master Cylinder--4 Wheel Discs for '66?

3K views 6 replies 4 participants last post by  ford4v429 
#1 ·
Hello,
I am planning on doing a disc brake swap on my '66. I want to put in discs on all four corners and was wondering if there is a factory master cylinder that might work or do I have to pick up an aftermarket one. If anybody knows I would like to hear it. thanks!

Ben
 
G
#2 ·
I am not sure about this, but I think your best bet would be a 67/68 style dual master cylinder for a 4 way drum car will work. You want to upgrade to a dual resivour MC and the disk drum ones are bigger for one side. I don't think you need a proportioning valve cause all 4 should have equal pressure. Dont quote me on this until someone else rings in.:s6:
 
#5 ·
I use a stock 68 master cylinder with my 68 Mustang w/4 wheel disc's. Manual proportioning valve on rear brakes.

Works great. Have to bleed it VERY GOOD though.
 
#7 ·
As far as reasons not to use stock disk/drum master for 4wheel disks take a look here: http://mpbrakes.com/mpfaqmasters.htm -gives lot of info on pressures/pedal ratios/bore sizes...
and heres one on discs: http://mpbrakes.com/mpfaqdiscs.htm
if you get time look thru the all MPBrakes FAQ links- tons of good info on just a few pages. I sure learned a lot in a few minutes...
 
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