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Re: [Roadsters] Rear Brake Swap

To: Ronnie Day <ronnie.day@gmail.com>
Subject: Re: [Roadsters] Rear Brake Swap
From: RWM via Datsun-roadsters <datsun-roadsters@autox.team.net>
Date: Thu, 3 Sep 2015 17:28:11 -0400
Cc: Datsun Roadster List <datsun-roadsters@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: datsun-roadsters@autox.team.net
Organization: R.W. Mann & Company, Inc. || Airline Industry Analysis
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    <font size="+1"><font face="Trebuchet MS">Understood, Ron. Really
        looking for a plug-and-play solution (if any, and there may not
        be one).<br>
        <br>
        <font face="Trebuchet MS"><font face="Trebuchet MS">- Bob<br>
            <br>
            <br>
          </font></font></font></font><br>
    <div class="moz-cite-prefix">On 9/3/2015 5:10 PM, Ronnie Day wrote:<br>
    </div>
    <blockquote
cite="mid:CAMHhs6dgzFfGkWq4v3ka0aNG1e8uT9Ni=bo7Oj_kU-aL=AEncg@mail.gmail.com"
      type="cite">
      <div dir="ltr">
        <div>I'd suggest verifying the line fitting threads on anything
          you substitute. IIRC, those threads on the OE Roadster brake
          components were SAE while those on the 510, Z, etc. were
          metric. You might need adapters or new hard lines with the
          correct fittings.</div>
        <div><br>
        </div>
        <div>FWIW,</div>
        <div>Ron</div>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Thu, Sep 3, 2015 at 3:24 PM, RWM via
          Datsun-roadsters <span dir="ltr">&lt;<a
              moz-do-not-send="true"
              href="mailto:datsun-roadsters@autox.team.net";
              target="_blank"><a class="moz-txt-link-abbreviated" 
href="mailto:datsun-roadsters@autox.team.net";>datsun-roadsters@autox.team.net</a></a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div text="#000000" bgcolor="#FFFFFF"> <font size="+1"><font
                  face="Trebuchet MS">Anyone have experience with or
                  know of a compatible/interchangeable <font
                    face="Trebuchet MS">7/8" or 1<font face="Trebuchet
                      MS">5/16" rear wheel cylinder?<br>
                      <br>
                      <font face="Trebuchet MS">Looking for more r<font
                          face="Trebuchet MS">ear brake bias, and based
                          on prior notes, the 13/16" doesn't seem to
                          move the meter.<br>
                          <br>
                        
</font></font></font></font></font></font><span>Thanks.<br>
                <br>
                <font face="Trebuchet MS">-  <font face="Trebuchet MS">Bob

                    Mann, '68 2000 Solex<br>
                    <br>
                    <br>
                  </font></font></span>
              <div>
                <div class="h5"><br>
                  <div>On 8/31/2015 8:34 PM, Pete via Datsun-roadsters
                    wrote:<br>
                  </div>
                </div>
              </div>
              <blockquote type="cite">
                <div>
                  <div class="h5">
                    <div
                      
style="width:100%;color:rgb(31,73,125);font-family:Calibri,&quot;Slate
Pro&quot;,sans-serif,sans-serif;background-color:rgb(255,255,255)">15/16
                      is what the all drum 1500 and 410/411 use. </div>
                    <div
                      
style="width:100%;color:rgb(31,73,125);font-family:Calibri,&quot;Slate
Pro&quot;,sans-serif,sans-serif;background-color:rgb(255,255,255)"><br>
                    </div>
                    <div
                      
style="width:100%;color:rgb(31,73,125);font-family:Calibri,&quot;Slate
Pro&quot;,sans-serif,sans-serif;background-color:rgb(255,255,255)">They
                      also have two 1-inch wheel cylinders per front
                      wheel. </div>
                    <div
                      
style="width:100%;color:rgb(31,73,125);font-family:Calibri,&quot;Slate
Pro&quot;,sans-serif,sans-serif;background-color:rgb(255,255,255)"><br>
                    </div>
                    <div
                      
style="width:100%;color:rgb(31,73,125);font-family:Calibri,&quot;Slate
Pro&quot;,sans-serif,sans-serif;background-color:rgb(255,255,255)">Me
                      likey disc brake mo bettah!</div>
                    <div
                      
style="width:100%;color:rgb(31,73,125);font-family:Calibri,&quot;Slate
Pro&quot;,sans-serif,sans-serif;background-color:rgb(255,255,255)"><br>
                    </div>
                    <div
                      
style="color:rgb(31,73,125);font-family:Calibri,&quot;Slate
Pro&quot;,sans-serif,sans-serif;background-color:rgb(255,255,255)">Pete</div>
                    <table
                      style="border-spacing:0px;background-color:white"
                      width="100%">
                      <tbody>
                        <tr>
                          <td style="background-color:rgb(255,255,255)"
                            colspan="2">
                            <div>
                              <div><b>From: </b>RWM via
                                Datsun-roadsters</div>
                              <div><b>Sent: </b>Monday, August 31, 2015
                                4:49 PM</div>
                              <div><b>To: </b>Roy Haslett; Datsun
                                Roadster Listserver</div>
                              <div><b>Reply To: </b>RWM</div>
                              <div><b>Subject: </b>Re: [Roadsters] Rear
                                Brake Swap</div>
                            </div>
                          </td>
                        </tr>
                      </tbody>
                    </table>
                    <br>
                    <div style="background-color:rgb(255,255,255)"> That
                      seems to be the design point.  <br>
                      <br>
                      I wonder what happens if you go to 7/8" or 15/16"
                      cylinders?<br>
                      <br>
                      <br>
                      <div>On 8/31/2015 7:37 PM, Roy Haslett wrote:<br>
                      </div>
                      <blockquote type="cite">
                        <div
                          
style="color:rgb(0,0,0);font-family:HelveticaNeue,Helvetica
                          Neue,Helvetica,Arial,Lucida
                          
Grande,sans-serif;font-size:16px;background-color:rgb(255,255,255)">
                          <div dir="ltr">If I really stand on the brakes
                            I will get the back to lock up, but this is
                            with a close adjustment, and I did not want
                            drag on the rear so I backed it off a bit. 
                            I think that the fronts are still doing 70%
                            + of the stopping.<br>
                          </div>
                          <div><span></span></div>
                          <br>
                          <div
                            style="font-family:HelveticaNeue,Helvetica
                            Neue,Helvetica,Arial,Lucida
                            Grande,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>
                                  RWM <a moz-do-not-send="true"
                                    href="mailto:RWM@RWMann.com";
                                    
target="_blank">&lt;RWM@RWMann.com&gt;</a><br>
                                  <b><span 
style="font-weight:bold">To:</span></b>
                                  Roy Haslett <a moz-do-not-send="true"
                                    href="mailto:hrhaslett@yahoo.com";
                                    
target="_blank">&lt;hrhaslett@yahoo.com&gt;</a>;
                                  Datsun Roadster Listserver <a
                                    moz-do-not-send="true"
                                    
href="mailto:datsun-roadsters@autox.team.net";
                                    target="_blank"><a 
class="moz-txt-link-rfc2396E" 
href="mailto:datsun-roadsters@autox.team.net";>&lt;datsun-roadsters@autox.team.net&gt;</a></a>
                                  <br>
                                  <b><span 
style="font-weight:bold">Sent:</span></b>
                                  Monday, August 31, 2015 4:23 PM<br>
                                  <b><span 
style="font-weight:bold">Subject:</span></b>
                                  Re: [Roadsters] Rear Brake Swap<br>
                                </font> </div>
                              <div><br>
                                <div>
                                  <div> Thanks, Roy.<br clear="none">
                                    <br clear="none">
                                    With the 13/16" cylinders, can you
                                    get the rears to lock up before the
                                    fronts? Or a rearward brake bias?<br
                                      clear="none">
                                    <br clear="none">
                                    - Bob<br clear="none">
                                    <br clear="none">
                                    <br clear="none">
                                    <br clear="none">
                                    <div><br>
                                      <br>
                                    </div>
                                    <div>
                                      <div>On 8/31/2015 7:13 PM, Roy
                                        Haslett wrote:<br clear="none">
                                      </div>
                                      <blockquote type="cite">
                                        <div
                                          
style="color:rgb(0,0,0);font-family:HelveticaNeue,Helvetica
                                          Neue,Helvetica,Arial,Lucida
                                          
Grande,sans-serif;font-size:16px;background-color:rgb(255,255,255)">Did
                                          not notice any difference,
                                          however, the brakes weren't
                                          really functioning very well. 
                                          All 13/16 now.<br clear="none">
                                          <div><span></span></div>
                                          <br clear="none">
                                          <div
                                            
style="font-family:HelveticaNeue,Helvetica
                                            Neue,Helvetica,Arial,Lucida
Grande,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>
                                                  RWM <a
                                                    moz-do-not-send="true"
href="mailto:RWM@RWMann.com"; target="_blank" rel="nofollow" shape="rect"><a 
class="moz-txt-link-rfc2396E" 
href="mailto:RWM@RWMann.com";>&lt;RWM@RWMann.com&gt;</a></a><br
                                                    clear="none">
                                                  <b><span
                                                      
style="font-weight:bold">To:</span></b>
                                                  Roy Haslett <a
                                                    moz-do-not-send="true"
href="mailto:hrhaslett@yahoo.com"; target="_blank"><a 
class="moz-txt-link-rfc2396E" 
href="mailto:hrhaslett@yahoo.com";>&lt;hrhaslett@yahoo.com&gt;</a></a>;
                                                  Datsun Roadster
                                                  Listserver <a
                                                    moz-do-not-send="true"
href="mailto:datsun-roadsters@autox.team.net"; target="_blank"><a 
class="moz-txt-link-rfc2396E" 
href="mailto:datsun-roadsters@autox.team.net";>&lt;datsun-roadsters@autox.team.net&gt;</a></a>
                                                  <br clear="none">
                                                  <b><span
                                                      
style="font-weight:bold">Sent:</span></b>
                                                  Monday, August 31,
                                                  2015 11:41 AM<br
                                                    clear="none">
                                                  <b><span
                                                      
style="font-weight:bold">Subject:</span></b>
                                                  Re: [Roadsters] Rear
                                                  Brake Swap<br
                                                    clear="none">
                                                </font> </div>
                                              <div><br clear="none">
                                                <div>
                                                  <div> <font size="+1"><font
                                                        face="Trebuchet
                                                        MS">Roy,<br
                                                          clear="none">
                                                        <br clear="none">
                                                        I gather you
                                                        didn't notice
                                                        the asymmetry
                                                        until the
                                                        rebuild?<br
                                                          clear="none">
                                                        <br clear="none">
                                                        Did you go all
                                                        3/4 or all
                                                        13/16?<br
                                                          clear="none">
                                                        <br clear="none">
                                                        Any apparent
                                                        difference once
                                                        changed?<br
                                                          clear="none">
                                                        <br clear="none">
                                                        - Bob<br
                                                          clear="none">
                                                      </font></font><br
                                                      clear="none">
                                                    <br clear="none">
                                                    <br clear="none">
                                                    <div><br
                                                        clear="none">
                                                      <br clear="none">
                                                    </div>
                                                    <div>
                                                      <div>On 8/31/2015
                                                        2:34 PM, Roy
                                                        Haslett wrote:<br
                                                          clear="none">
                                                      </div>
                                                      <blockquote
                                                        type="cite">
                                                        <div
                                                          
style="color:rgb(0,0,0);font-family:HelveticaNeue,Helvetica
                                                          
Neue,Helvetica,Arial,Lucida
Grande,sans-serif;font-size:16px;background-color:rgb(255,255,255)">
                                                          <div dir="ltr">I
                                                          actually have
                                                          a 67 1600 and
                                                          when I went to
                                                          rebuild my
                                                          rear cylinders
                                                          I discovered I
                                                          had a 3/4 on
                                                          one wheel and
                                                          a 13/16 on the
                                                          other.  13/16
                                                          is stock and
                                                          now hard to
                                                          find and
                                                          expensive, but
                                                          I tend to
                                                          follow what
                                                          was originally
                                                          engineered and
                                                          designed for
                                                          the car.<br
                                                          clear="none">
                                                          </div>
                                                          <br
                                                          clear="none">
                                                          <div
                                                          
style="font-family:HelveticaNeue,Helvetica
                                                          
Neue,Helvetica,Arial,Lucida
Grande,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>
                                                          RWM via
                                                          Datsun-roadsters
                                                          <a
                                                          moz-do-not-send="true"
href="mailto:datsun-roadsters@autox.team.net"; target="_blank"><a 
class="moz-txt-link-rfc2396E" 
href="mailto:datsun-roadsters@autox.team.net";>&lt;datsun-roadsters@autox.team.net&gt;</a></a><br
                                                          clear="none">
                                                          <b><span
                                                          
style="font-weight:bold">To:</span></b>
                                                          Datsun
                                                          Roadster
                                                          Listserver <a
moz-do-not-send="true" href="mailto:datsun-roadsters@autox.team.net";
                                                          target="_blank"><a 
class="moz-txt-link-rfc2396E" 
href="mailto:datsun-roadsters@autox.team.net";>&lt;datsun-roadsters@autox.team.net&gt;</a></a>
                                                          <br
                                                          clear="none">
                                                          <b><span
                                                          
style="font-weight:bold">Sent:</span></b>
                                                          Sunday, August
                                                          30, 2015 3:14
                                                          PM<br
                                                          clear="none">
                                                          <b><span
                                                          
style="font-weight:bold">Subject:</span></b>
                                                          Re:
                                                          [Roadsters]
                                                          Rear Brake
                                                          Swap<br
                                                          clear="none">
                                                          </font> </div>
                                                          <div><br
                                                          clear="none">
                                                          Any update to
                                                          this vintage
                                                          1999 thread?<br
                                                          clear="none">
                                                          <br
                                                          clear="none">
                                                          <a
                                                          moz-do-not-send="true"
href="http://www.team.net/html/datsun-roadsters/1999-11/msg00700.html";
                                                          target="_blank"><a 
class="moz-txt-link-freetext" 
href="http://www.team.net/html/datsun-roadsters/1999-11/msg00700.html";>http://www.team.net/html/datsun-roadsters/1999-11/msg00700.html</a></a><br
                                                          clear="none">
                                                          <br
                                                          clear="none">
                                                          Are there
                                                          functional,
                                                          plug-and-play
                                                          substitutions
                                                          for the late
                                                          roadster <br
                                                          clear="none">
                                                          3/4" rear
                                                          wheel
                                                          cylinders from
                                                          other period
                                                          Datsun brake
                                                          parts?<br
                                                          clear="none">
                                                          <br
                                                          clear="none">
                                                          Such as rear
                                                          wheel
                                                          cylinders from
                                                          the 1200,
                                                          B210, 510,
                                                          617, 710?<br
                                                          clear="none">
                                                          <br
                                                          clear="none">
                                                          Did the debate
                                                          over how to
                                                          get more
                                                          braking action
                                                          at the rear
                                                          (by using <br
                                                          clear="none">
                                                          either 11/16
                                                          or 13/16
                                                          cylinders)
                                                          ever conclude?<br
                                                          clear="none">
                                                          <br
                                                          clear="none">
                                                          Thanks.<br
                                                          clear="none">
                                                          <br
                                                          clear="none">
                                                          - Bob Mann,
                                                          '68 2000 Solex</div>
                                                          </div>
                                                          </div>
                                                        </div>
                                                      </blockquote>
                                                    </div>
                                                  </div>
                                                </div>
                                              </div>
                                            </div>
                                          </div>
                                        </div>
                                      </blockquote>
                                    </div>
                                  </div>
                                </div>
                              </div>
                            </div>
                          </div>
                        </div>
                      </blockquote>
                      <br>
                      <br>
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</font></span></blockquote>
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                  <pre cols="72">-- 
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R.W. Mann &amp; Company, Inc.   &gt;&gt;  Airline Industry Analysis
Port Washington, NY  11050  &gt;&gt;  tel 516-944-0900, fax -7280
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