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Re: [Healeys] Disk brake conversion

To: Ross <rvmaylor@shaw.ca>
Subject: Re: [Healeys] Disk brake conversion
From: Chris Scholz <drscholz@visioncenterpc.com>
Date: Mon, 29 Aug 2016 21:11:36 +0000
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Thread-topic: [Healeys] Disk brake conversion
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I installed the Denis Welch front disc conversion on my 1959 BN4 and instal=
led an aftermarket pro portioning valve from Wilwood.  This is a safer set =
up in general.

Sent from my iPhone
Chris Scholz OD

>> wrote:

Gentlemen
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 (vend=
or 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 cylinder=
s, 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?

Regards
Ross Maylor
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<div>I installed the Denis Welch front disc conversion on my 1959 BN4 and i=
nstalled an aftermarket pro portioning valve from Wilwood. &nbsp;This is a =
safer set up in general.&nbsp;<br>
<br>
Sent from my iPhone
<div>Chris Scholz OD</div>
</div>
<div><br>
On Aug 29, 2016, at 1:14 PM, Ross &lt;<a href=3D"mailto:rvmaylor@shaw.ca";>r=
vmaylor@shaw.ca</a>&gt; wrote:<br>
<br>
</div>
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<div class=3D"WordSection1">
<p class=3D"MsoNormal">Gentlemen<o:p></o:p></p>
<p class=3D"MsoNormal">I have installed a front disk brake conversion on my=
 58 BN6. The brake kit was supplied with the uprated calipers, which use th=
e larger BJ8 pads (vendor description).<o:p></o:p></p>
<p class=3D"MsoNormal">The system was bled and the pedal firm. Initial driv=
es indicate very little front brake support.
<o:p></o:p></p>
<p class=3D"MsoNormal">The next recommended move was to replace the rear dr=
um brake wheel cylinders, from 1&#8221; to 5/8&#8221;. That was done with n=
o recognizable improvement.<o:p></o:p></p>
<p class=3D"MsoNormal">The next move is to switch out the master cylinder f=
rom &frac34;&#8221; &nbsp;to 5/8&#8221; as per the non-servo disk brake BN7=
. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
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p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;
<o:p></o:p></p>
<p class=3D"MsoNormal">In this case should the push rod length be changed a=
s well to get increased fluid into the front disks?
<o:p></o:p></p>
<p class=3D"MsoNormal">Or is a proportioning valve a better way to go?<o:p>=
</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Regards <o:p></o:p></p>
<p class=3D"MsoNormal">Ross Maylor<o:p></o:p></p>
</div>
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