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Re: [Healeys] Rear wheel cylinders on a BJ8

To: Chris Dimmock <austin.healey@gmail.com>, Michael Salter <michaelsalter@gmail.com>
Subject: Re: [Healeys] Rear wheel cylinders on a BJ8
From: "Henry A. Morrison" <dos_gusanos@msn.com>
Date: Wed, 28 Aug 2019 20:06:32 +0000
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Thread-topic: [Healeys] Rear wheel cylinders on a BJ8
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If you increase the diameter of your rear cylinders, you increase the amoun=
t of fluid required to move the shoes the same distance, so your master cyl=
inder must travel further, more pedal travel, and would probably make the p=
roblem worse.  Increase the size of your master cylinder and reduce pedal t=
ravel and probably the pressure in the system given the same pedal force ap=
plication.  I like minimal pedal travel, and like feeling like pressing aga=
inst the wall to get the vehicle to stop.

Sincerely

Henry Morrison


Sent from Outlook<http://aka.ms/weboutlook>

________________________________
From: Healeys <healeys-bounces@autox.team.net> on behalf of Chris Dimmock <=
austin.healey@gmail.com>
Sent: Wednesday, August 28, 2019 5:23 AM
To: Michael Salter <michaelsalter@gmail.com>
Cc: healeys@autox.team.net <healeys@autox.team.net>
Subject: Re: [Healeys] Rear wheel cylinders on a BJ8

Seriously,
So all you men who have fitted rear disc brakes to your Healey, have only e=
ver done this in order to "reduce" your rear braking effort?
To make your rear brakes "less efficient" than they already are?
And you've fitted Discs to "increase" your unsprung weight, and upset the b=
alance of your car?
Seriously?
Sincerely, this group used to share ideas.
Now, instead of people saying "nah, tried that, but I locked rear wheels" i=
t's a bunch of hypothetical Wikipedia answers.
So I will ask again.
Has anyone else changed their rear wheel cylinders on a 3000 from 3/4 inch =
to 7/8 inch?
If yes - I'd love to hear your feedback.
If you've fitted disk brakes on your Jensen Healey, or what ever - I'm not =
interested in your comments. Im not interested in the theory - I'm interest=
ed in the practice and real results from on the road.
Too much bullshit internet "searching" is infiltrating this list. I've alwa=
ys only answered when I've actually done something.
Armchair experts who google answers and Have now experience in the question=
 I've asked need to pull their head in - that's you Kees.
Has anyone else ever changed their rear wheel cylinders from 3/4 inch to 7/=
8 inch?
If you have? I'd love to hear from you.
If you haven't, well, I don't really care!
Yes. I'm pissed off.
People who have the answer - from experience- don't answer when 4 others re=
spond.
I'm just pissed off
A lot going on.
Chris

michaelsalter@gmail.com>> wrote:

Have to agree with Kees on this one.
We have a brake bias control on AHX12 and I can certainly attest to the fac=
t that when the conditions change to "wet" removing a lot of rear braking i=
s absolutely essential to prevent the car from swapping ends.
As most road cars don't have adjustable brake bias I would be very careful =
in trying to increase the rear braking.
When braking into a corner the last thing you want is the rear end coming a=
round, particularly in the wet.

M

On Tue, Aug 27, 2019 at 12:09 PM Kees Oudesluijs <coudesluijs@chello.nl<mai=
lto:coudesluijs@chello.nl>> wrote:
Whatch out driving in the rain as the rear brakes will lock the rear
wheels much quicker than with the smaller pistons.Rear brakes are only
providing a small portion of the total brake force.

Kees Oudesluijs

Op 27-8-2019 om 18:04 schreef Chris Dimmock:
> Hi Men
>
> I just did. Sick of the rear brakes doing nothing. Freeloaders!!
> Yes, no problem with seized wheel cylinders, no problem with the flexible=
 hose - just bugger all wear on the rear linings.
> I'll let you know how it goes on my BJ8
> Best
> Chris
>
> _______________________________________________
> Support Team.Net<http://Team.Net> http://www.team.net/donate.html
> Suggested annual donation  $12.75
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lter@gmail.com

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aley@gmail.com


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<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-=
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<body dir=3D"ltr">
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
If you increase the diameter of your rear cylinders, you increase the amoun=
t of fluid required to move the shoes the same distance, so your master cyl=
inder must travel further, more pedal travel, and would probably make the p=
roblem worse.&nbsp; Increase the size
 of your master cylinder and reduce pedal travel and probably the pressure =
in the system given the same pedal force application.&nbsp; I like minimal =
pedal travel, and like feeling like pressing against the wall to get the ve=
hicle to stop.&nbsp;</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
<br>
</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
Sincerely</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
<br>
</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
Henry Morrison</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
<br>
</div>
<div id=3D"Signature">
<p>Sent from <a href=3D"http://aka.ms/weboutlook";>Outlook</a><br>
</p>
<div>
<div id=3D"appendonsend"></div>
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
<br>
</div>
<hr tabindex=3D"-1" style=3D"display:inline-block; width:98%">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font color=3D"#000000" face=3D"Calib=
ri, sans-serif" style=3D"font-size:11pt"><b>From:</b> Healeys &lt;healeys-b=
ounces@autox.team.net&gt; on behalf of Chris Dimmock &lt;austin.healey@gmai=
l.com&gt;<br>
<b>Sent:</b> Wednesday, August 28, 2019 5:23 AM<br>
<b>To:</b> Michael Salter &lt;michaelsalter@gmail.com&gt;<br>
<b>Cc:</b> healeys@autox.team.net &lt;healeys@autox.team.net&gt;<br>
<b>Subject:</b> Re: [Healeys] Rear wheel cylinders on a BJ8</font>
<div>&nbsp;</div>
</div>
<div dir=3D"auto">
<div>Seriously,&nbsp;</div>
<div id=3D"x_AppleMailSignature">So all you men who have fitted rear disc b=
rakes to your Healey, have only ever done this in order to &quot;reduce&quo=
t; your rear braking effort?</div>
<div id=3D"x_AppleMailSignature">To make your rear brakes &quot;less effici=
ent&quot; than they already are?</div>
<div id=3D"x_AppleMailSignature">And you've fitted Discs to &quot;increase&=
quot; your unsprung weight, and upset the balance of your car?</div>
<div id=3D"x_AppleMailSignature">Seriously?</div>
<div id=3D"x_AppleMailSignature">Sincerely, this group used to share ideas.=
&nbsp;</div>
<div id=3D"x_AppleMailSignature">Now, instead of people saying &quot;nah, t=
ried that, but I locked rear wheels&quot; it's a bunch of hypothetical Wiki=
pedia answers.&nbsp;</div>
<div id=3D"x_AppleMailSignature">So I will ask again.&nbsp;</div>
<div id=3D"x_AppleMailSignature">Has anyone else changed their rear wheel c=
ylinders on a 3000 from 3/4 inch to 7/8 inch?</div>
<div id=3D"x_AppleMailSignature">If yes - I'd love to hear your feedback.&n=
bsp;</div>
<div id=3D"x_AppleMailSignature">If you've fitted disk brakes on your Jense=
n Healey, or what ever - I'm not interested in your comments. Im not intere=
sted in the theory - I'm interested in the practice and real results from o=
n the road.&nbsp;</div>
<div id=3D"x_AppleMailSignature">Too much bullshit internet &quot;searching=
&quot; is infiltrating this list. I've always only answered when I've actua=
lly done something.&nbsp;</div>
<div id=3D"x_AppleMailSignature">Armchair experts who google answers and Ha=
ve now experience in the question I've asked need to pull their head in - t=
hat's you Kees.&nbsp;</div>
<div id=3D"x_AppleMailSignature">
<blockquote type=3D"cite">
<div class=3D"x_gmail_quote">
<blockquote class=3D"x_gmail_quote" style=3D"margin:0px 0px 0px 0.8ex; bord=
er-left-color:rgb(204,204,204); padding-left:1ex">
<font color=3D"#000000"><span style=3D"background-color:rgba(255,255,255,0)=
">Has anyone else ever changed their rear wheel cylinders from 3/4 inch to =
7/8 inch?</span></font></blockquote>
</div>
</blockquote>
If you have? I'd love to hear from you.&nbsp;</div>
<div id=3D"x_AppleMailSignature">If you haven't, well, I don't really care!=
</div>
<div id=3D"x_AppleMailSignature">Yes. I'm pissed off.&nbsp;</div>
<div id=3D"x_AppleMailSignature">People who have the answer - from experien=
ce- don't answer when 4 others respond.&nbsp;<br>
I'm just pissed off&nbsp;</div>
<div id=3D"x_AppleMailSignature">A lot going on.&nbsp;</div>
<div id=3D"x_AppleMailSignature">Chris</div>
<div><br>
On 28 Aug 2019, at 2:29 am, Michael Salter &lt;<a href=3D"mailto:michaelsal=
ter@gmail.com">michaelsalter@gmail.com</a>&gt; wrote:<br>
<br>
</div>
<blockquote type=3D"cite">
<div>
<div dir=3D"ltr">
<div class=3D"x_gmail_default" style=3D"font-family:comic sans ms,sans-seri=
f; font-size:small">
Have to agree with Kees on this one. <br>
</div>
<div class=3D"x_gmail_default" style=3D"font-family:comic sans ms,sans-seri=
f; font-size:small">
We have a brake bias control on AHX12 and I can certainly attest to the fac=
t that when the conditions change to &quot;wet&quot; removing a lot of rear=
 braking is absolutely essential to prevent the car from swapping ends.
<br>
</div>
<div class=3D"x_gmail_default" style=3D"font-family:comic sans ms,sans-seri=
f; font-size:small">
As most road cars don't have adjustable brake bias I would be very careful =
in trying to increase the rear braking.</div>
<div class=3D"x_gmail_default" style=3D"font-family:comic sans ms,sans-seri=
f; font-size:small">
When braking into a corner the last thing you want is the rear end coming a=
round, particularly in the wet.</div>
<div class=3D"x_gmail_default" style=3D"font-family:comic sans ms,sans-seri=
f; font-size:small">
<br>
</div>
<div class=3D"x_gmail_default" style=3D"font-family:comic sans ms,sans-seri=
f; font-size:small">
M<br>
</div>
</div>
<br>
<div class=3D"x_gmail_quote">
<div class=3D"x_gmail_attr" dir=3D"ltr">On Tue, Aug 27, 2019 at 12:09 PM Ke=
es Oudesluijs &lt;<a href=3D"mailto:coudesluijs@chello.nl";>coudesluijs@chel=
lo.nl</a>&gt; wrote:<br>
</div>
<blockquote class=3D"x_gmail_quote" style=3D"margin:0px 0px 0px 0.8ex; bord=
er-left:1px solid rgb(204,204,204); padding-left:1ex">
Whatch out driving in the rain as the rear brakes will lock the rear <br>
wheels much quicker than with the smaller pistons.Rear brakes are only <br>
providing a small portion of the total brake force.<br>
<br>
Kees Oudesluijs<br>
<br>
Op 27-8-2019 om 18:04 schreef Chris Dimmock:<br>
&gt; Hi Men<br>
&gt;&nbsp;<br>
&gt; I just did. Sick of the rear brakes doing nothing. Freeloaders!!<br>
&gt; Yes, no problem with seized wheel cylinders, no problem with the flexi=
ble hose - just bugger all wear on the rear linings.<br>
&gt; I'll let you know how it goes on my BJ8<br>
&gt; Best<br>
&gt; Chris<br>
&gt;<br>
&gt; _______________________________________________<br>
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