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Wasn=92t this very topic covered quite recently?
Some very precise, and doubtless satisfactory, answers emerged.
Something to do with the shape of the caliper militating against getting =
the
air out too easily? Can=92t remember....
I=92ve got BJ8 size calipers in my MkII BT7 but they came out of a Ford,
Escort I think.
Simon
=20
From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of Ross
Sent: 29 August 2016 16:47
To: healeys@autox.team.net
Subject: [Healeys] Disk brake conversion
=20
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
(vendor description).
The system was bled and the pedal firm. Initial drives indicate very =
little
front brake support.=20
The next recommended move was to replace the rear drum brake wheel
cylinders, from 1=94 to 5/8=94. That was done with no recognizable =
improvement.
The next move is to switch out the master cylinder from =BE=94 to =
5/8=94 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?=20
Or is a proportioning valve a better way to go?
=20
Regards=20
Ross Maylor
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link=3D"#0563C1" vlink=3D"#954F72"><div class=3DWordSection1><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>Wasn’t this very =
topic covered quite recently?<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>Some very precise, and =
doubtless satisfactory, =A0answers emerged.<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>Something to do with the =
shape of the caliper militating against getting the air out too easily? =
Can’t remember....<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>I’ve got BJ8 size calipers in my MkII BT7 =
but they came out of a Ford, Escort I think.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'>Simon<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p> </o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Healeys =
[mailto:healeys-bounces@autox.team.net] <b>On Behalf Of =
</b>Ross<br><b>Sent:</b> 29 August 2016 16:47<br><b>To:</b> =
healeys@autox.team.net<br><b>Subject:</b> [Healeys] Disk brake =
conversion<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal><span =
lang=3DEN-US>Gentlemen<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>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).<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>The system was bled and the pedal =
firm. Initial drives indicate very little front brake support. =
<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US>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.<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>The next move is to switch out the master cylinder from =
=BE” to 5/8” as per the non-servo disk brake BN7. =
&=
nbsp; &n=
bsp; &nb=
sp; &nbs=
p;  =
; =
&=
nbsp; &n=
bsp; &nb=
sp; &nbs=
p;  =
; <o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>In this case should the push rod =
length be changed as well to get increased fluid into the front disks? =
<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US>Or is a =
proportioning valve a better way to go?<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>Regards <o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>Ross =
Maylor<o:p></o:p></span></p></div></body></html>
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