[Healeys] Disk brake conversion

Chris Scholz drscholz at visioncenterpc.com
Mon Aug 29 15:11:36 MDT 2016

I installed the Denis Welch front disc conversion on my 1959 BN4 and installed an aftermarket pro portioning valve from Wilwood.  This is a safer set up in general.

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Chris Scholz OD

On Aug 29, 2016, at 1:14 PM, Ross <rvmaylor at shaw.ca<mailto:rvmaylor at shaw.ca>> wrote:

I have installed a front disk brake conversion on my 58 BN6. The brake kit was supplied with the uprated calipers, which use the larger BJ8 pads (vendor description).
The system was bled and the pedal firm. Initial drives indicate very little front brake support.
The next recommended move was to replace the rear drum brake wheel cylinders, from 1" to 5/8". That was done with no recognizable improvement.
The next move is to switch out the master cylinder from (3/4)"  to 5/8" as per the non-servo disk brake BN7.
In this case should the push rod length be changed as well to get increased fluid into the front disks?
Or is a proportioning valve a better way to go?

Ross Maylor
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