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<font size="+1"><font face="Trebuchet MS">No question the stock
brakes "work fine"<font face="Trebuchet MS">, </font>but that
shouldn't be confused with <font face="Trebuchet MS">providing
driver-<font face="Trebuchet MS">desired front/rear b</font></font>alance.
<font face="Trebuchet MS">Tilton and others have created an
industry to <font face="Trebuchet MS">try to satisfy the
quest<font face="Trebuchet MS"> </font>for ideal,
selectable brake balance. Another fixed method<font
face="Trebuchet MS"> </font>is to alter the cylinder
size.<br>
<br>
<font face="Trebuchet MS">- <font face="Trebuchet MS">Bob
Mann, '68 2000 Solex, </font><font face="Trebuchet MS">Porterfield
<font face="Trebuchet MS">R4-S pads, want more rear
bias... <br>
<br>
</font> </font><br>
</font></font></font></font></font><br>
<div class="moz-cite-prefix">On 9/8/2015 3:35 PM, Richard Shepard
via Datsun-roadsters wrote:<br>
</div>
<blockquote
cite="mid:1972266728.3246163.1441740907522.JavaMail.yahoo@mail.yahoo.com"
type="cite">
<div style="color:#000; background-color:#fff;
font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial,
Lucida Grande, sans-serif;font-size:16px">
<div><span></span></div>
<div>When I took my Roadster to a SCCA track nite at Portland
the stock bakes sucked big time. But then the speed I was
pulling with a KA did not help. Changed fronts to a street
comp pad and did it help. Car now stops were it slowed down
before.</div>
<div id="yui_3_16_0_1_1441740286429_4978" dir="ltr">I use
KFP gold compound and find they work on the street just for
me as well as the track. Did have to grind down to fit as
they were too wide.</div>
<div id="yui_3_16_0_1_1441740286429_5063" dir="ltr">rich</div>
<div id="yui_3_16_0_1_1441740286429_4593" style="font-family:
HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida
Grande, sans-serif; font-size: 16px;">
<div id="yui_3_16_0_1_1441740286429_4592" style="font-family:
HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida
Grande, sans-serif; font-size: 16px;">
<div id="yui_3_16_0_1_1441740286429_4591" dir="ltr">
<hr id="yui_3_16_0_1_1441740286429_4597" size="1"> <font
id="yui_3_16_0_1_1441740286429_4590" size="2"
face="Arial"> <b><span style="font-weight:bold;">From:</span></b>
Gary Ault via Datsun-roadsters
<a class="moz-txt-link-rfc2396E" href="mailto:datsun-roadsters@autox.team.net"><datsun-roadsters@autox.team.net></a><br>
<b id="yui_3_16_0_1_1441740286429_5065"><span
id="yui_3_16_0_1_1441740286429_5064"
style="font-weight: bold;">To:</span></b> Paul Kort
<a class="moz-txt-link-rfc2396E" href="mailto:paulsdatsunstuff@gmail.com"><paulsdatsunstuff@gmail.com></a> <br>
<b id="yui_3_16_0_1_1441740286429_5067"><span
id="yui_3_16_0_1_1441740286429_5066"
style="font-weight: bold;">Cc:</span></b>
<a class="moz-txt-link-rfc2396E" href="mailto:datsun-roadsters@autox.team.net">"datsun-roadsters@autox.team.net"</a>
<a class="moz-txt-link-rfc2396E" href="mailto:datsun-roadsters@autox.team.net"><datsun-roadsters@autox.team.net></a>; philip erickson
<a class="moz-txt-link-rfc2396E" href="mailto:fj20spl311@yahoo.com"><fj20spl311@yahoo.com></a> <br>
<b><span style="font-weight: bold;">Sent:</span></b>
Tuesday, September 8, 2015 11:05 AM<br>
<b><span style="font-weight: bold;">Subject:</span></b>
Re: [Roadsters] Brakes Phil Erickson<br>
</font> </div>
<div class="y_msg_container"
id="yui_3_16_0_1_1441740286429_4782"><br>
<div id="yiv3742972722">
<div id="yui_3_16_0_1_1441740286429_4781">
<div id="yui_3_16_0_1_1441740286429_4783">So, there
you go. Thanks, Paul.</div>
<div id="yui_3_16_0_1_1441740286429_4786"><br>
</div>
<div id="yui_3_16_0_1_1441740286429_4780">Gary</div>
<div id="yui_3_16_0_1_1441740286429_4785"><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div id="yiv3742972722composer_signature">Sent from my
mobile phone.</div>
<br>
<br>
-------- Original message --------<br>
From: Paul Kort <a class="moz-txt-link-rfc2396E" href="mailto:paulsdatsunstuff@gmail.com"><paulsdatsunstuff@gmail.com></a> <br>
Date: 09/08/2015 6:04 AM (GMT-06:00) <br>
To: Gary and Cindy Ault <a class="moz-txt-link-rfc2396E" href="mailto:aultgc@att.net"><aultgc@att.net></a> <br>
Cc: philip erickson <a class="moz-txt-link-rfc2396E" href="mailto:fj20spl311@yahoo.com"><fj20spl311@yahoo.com></a>,
<a class="moz-txt-link-abbreviated" href="mailto:datsun-roadsters@autox.team.net">datsun-roadsters@autox.team.net</a> <br>
Subject: Re: [Roadsters] Brakes Phil Erickson <br>
<br>
<div dir="ltr">
<div>
<div> I've crewed for three roadsters, two 1600s
in SCCA G PROD and one 2000 racing the vintage
circuit. All ran with stock brakes, but with
racing pads up front. They all seemed to stop
just fine!<br>
<br>
</div>
Paul<br>
</div>
Ohio<br>
</div>
<div class="yiv3742972722gmail_extra"><br>
<div class="yiv3742972722gmail_quote">On Tue, Sep 8,
2015 at 12:14 AM, Gary and Cindy Ault via
Datsun-roadsters <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:datsun-roadsters@autox.team.net"
target="_blank" rel="nofollow"
ymailto="mailto:datsun-roadsters@autox.team.net"><a class="moz-txt-link-abbreviated" href="mailto:datsun-roadsters@autox.team.net">datsun-roadsters@autox.team.net</a></a>></span>
wrote:<br>
<blockquote class="yiv3742972722gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc
solid;padding-left:1ex;">
<div>
<div
style="color:#000;background-color:#fff;font-family:Courier
New, courier, monaco, monospace,
sans-serif;font-size:16px;">
<div dir="ltr"><span>I have found that stock
roadster brakes, properly set up and
adjusted, work just fine in non-racing
applications. I have both early (1966)
and later (1967-1/2) cars. I have had
the '66 1600 with a U20 motor in it for
over 40 years.</span></div>
<div dir="ltr"><span><br>
</span></div>
<div dir="ltr"><span>Gary</span></div>
<br>
<div style="font-family:Courier New,
courier, monaco, monospace,
sans-serif;font-size:16px;">
<div style="font-family:HelveticaNeue,
Helvetica Neue, Helvetica, Arial, Lucida
Grande, sans-serif;font-size:16px;">
<div dir="ltr">
<hr size="1"> <font size="2"
face="Arial"> <b><span
style="font-weight:bold;">From:</span></b>
philip erickson via Datsun-roadsters
<<a moz-do-not-send="true"
href="mailto:datsun-roadsters@autox.team.net"
target="_blank" rel="nofollow"
ymailto="mailto:datsun-roadsters@autox.team.net">datsun-roadsters@autox.team.net</a>><br>
<b><span style="font-weight:bold;">To:</span></b>
"<a moz-do-not-send="true"
href="mailto:datsun-roadsters@autox.team.net"
target="_blank" rel="nofollow"
ymailto="mailto:datsun-roadsters@autox.team.net">datsun-roadsters@autox.team.net</a>"
<<a moz-do-not-send="true"
href="mailto:datsun-roadsters@autox.team.net"
target="_blank" rel="nofollow"
ymailto="mailto:datsun-roadsters@autox.team.net">datsun-roadsters@autox.team.net</a>>
<br>
<b><span style="font-weight:bold;">Sent:</span></b>
Tuesday, September 1, 2015 10:39 PM<br>
<b><span style="font-weight:bold;">Subject:</span></b>
[Roadsters] Brakes Phil Erickson<br>
</font> </div>
<div><br>
<div>
<div>
<div
style="color:#000;background-color:#fff;font-family:verdana,
helvetica,
sans-serif;font-size:16px;">
<div dir="ltr"> I tried to send
this, but from the wrong
email.....so I think it got
cut.</div>
<div dir="ltr"><br>
</div>
<div dir="ltr">It's very
difficult to guess on the
braking response of a wheel
cylinder size change on a disc
/ drum set-up.<br>
The response / braking torque
to pressure is Linear with
disc brakes and squared or
even cubed with drum brakes.
Best to use a proportioning
valve on the rear to limit
braking torque.<br>
A proportioning valve is miss
named as it changes the
pressure response to pedal
travel - which flattens the
torque response of the drum
brake.</div>
<div dir="ltr"><br>
</div>
<div dir="ltr">Phil</div>
</div>
</div>
</div>
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