Re: [Healeys] brake bias

[warthodson@aol.com]

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Thanks to everyone for all the replies. I was intentionally brief in my 
original post. Here is more detail: The car in question already has a bias bar 
adjustment. This adjustment is a balance bar, not a valve. Currently, it is set 
all the way to one extreme which favors the front & still we do not have enough 
front brake bias so we want to change the size of the front master cylinder, 
hence the question.
Gary Hodson 
 
 
From: Larry Varley <varley@cosmos.net.au>
To: healeys healeys@autox.team.net

 
  
   
A brake bias valve from my experience will limit the maximum pressure to the 
rear brakes and only designed to prevent rear wheel lock up under heavy 
braking. Up to the pressure point where the bias valve activates you will have 
uneven brake pressures front to rear unless all of the components in the system 
are sized correctly. Even with the addition of a rocker arm system and twin 
master cylinders sizing is still important as the rocker arm can only do so 
much.
   
Cheers
   
Larry Varley
  
 




 

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<font color=3D'black' size=3D'2' face=3D'arial'>
<div><font style=3D"background-color: transparent;">Thanks to everyone for =
all the replies. I was intentionally brief in my original post. Here is mor=
e detail:&nbsp;The car&nbsp;in question already has a bias bar adjustment. =
This adjustment is a balance bar, not a valve. Currently, it is set all the=
 way to one extreme which favors the front &amp; still we do not have enoug=
h front brake bias so&nbsp;we want to change the size of the front master c=
ylinder, hence the question.</font></div>

<div>Gary Hodson&nbsp;</div>

<div>&nbsp;</div>

<div>&nbsp;</div>

<div style=3D"color: black; font-family: arial,helvetica; font-size: 10pt;"=
>From: Larry Varley &lt;varley@cosmos.net.au&gt;<br>
To: healeys <a href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.ne=
t</a><br>


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<div class=3D"MsoNormal"><span style=3D'color: rgb(31, 73, 125); font-famil=
y: "Calibri","sans-serif"; font-size: 11pt;'>A brake bias valve from my exp=
erience will limit the maximum pressure to the rear brakes and only designe=
d to prevent rear wheel lock up under heavy braking. Up to the pressure poi=
nt where the bias valve activates you will have uneven brake pressures fron=
t to rear unless all of the components in the system are sized correctly. E=
ven with the addition of a rocker arm system and twin master cylinders sizi=
ng is still important as the rocker arm can only do so much.</span></div>

  =20
<div class=3D"MsoNormal"><span style=3D'color: rgb(31, 73, 125); font-famil=
y: "Calibri","sans-serif"; font-size: 11pt;'>Cheers</span></div>

  =20
<div class=3D"MsoNormal"><span style=3D'color: rgb(31, 73, 125); font-famil=
y: "Calibri","sans-serif"; font-size: 11pt;'>Larry Varley</span></div>

  </div>

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