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Re: [Healeys] OD switch

To: "warthodson@aol.com" <warthodson@aol.com>, "healeys@autox.team.net" <healeys@autox.team.net>
Subject: Re: [Healeys] OD switch
From: Bob Spidell via Healeys <healeys@autox.team.net>
Date: Sat, 19 Oct 2024 20:22:00 -0700
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
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Little quicker engagement.


On 10/19/2024 2:27 PM, warthodson@aol.com wrote:
> What are the pros & cons of fitting the beerier  accumulator to the 
> Healey OD?
> Gary H
>
> On Friday, October 18, 2024 at 10:20:21 PM CDT, Bob Spidell via 
> Healeys <healeys@autox.team.net> wrote:
>
>
> Note the kickdown can be used to, uh, kick down. Say you're following 
> slow traffic in top/OD, and you see a chance to pass coming up; you 
> throw the dash switch and when it's clear you stomp on the accelerator 
> pedal, the O/D will disengage and you're in a lower gear to pass. 
> Doesn't work great--I usually drop a gear too--but it's doable. Note 
> older cars with automatics usually have them, rigged to the throttle 
> linkage.
>
> Triumphs, and others, also have a beefier accumulator for faster 
> engagement (a mod sold by DWM and others).
>
>
> On 10/18/2024 4:44 PM, Simon Lachlan via Healeys wrote:
>
> Michael,
>
> Yes, agreed. He said the same to me in a discussion as to why Triumphs 
> donâ??t have the kickdown whereas the Healeys do. Actually that wasnâ??t 
> long after your visit.
>
> (Dave Twigger is pretty much The Man in the UK overdrive world. So far 
> as I recall, his father-in-law bought all the overdrive spares when 
> Laycock stopped manufacturing. Or something like that. Bit like Fred 
> at AH Spares? Heâ??s a nice guy, very helpful.)
>
> Simon
>
> *From:*Healeys <healeys-bounces@autox.team.net> 
> *Sent:* 18 October 2024 23:25
> *Subject:* Re: [Healeys] OD switch
>
> As explained to me Dave Twigger the purpose of the kickdown switch is 
> to prevent the overdrive unit being subjected to reverse torque which 
> it is not designed to handle.
>
> As I  understand it, if the overdrive is treated with respect, and the 
> clutch is used during disengagement there will be no problems but, if 
> you flip the switch off when cruising at high speed without using the 
> clutch to minimize the reverse loading on the overdrive, the planetary 
> gear assembly can be severly damaged.
>
> The kickdown switch prevents this.
>
> M
>
> On Fri., Oct. 18, 2024, 4:18 p.m. Don via Healeys, 
>
>     Hi All
>           I installed the new OD brass drain plug with the o ring and
>     so far ð?¤?ð??»not a drip of oil anywhere. I think itâ??s a great design
>     by Cape International.
>     I did see someone posted about eliminating the od switch on the
>     firewall and just needing to use the switch on the dash . No more
>     needing to Blip the throttle to activate the od . Could that
>     someone please explain the wiring needed to make this change . It
>     sounds like another modern up grade to make our driving experience
>     easier.
>           Thanks as always , Don
>     Sent from my iPhone
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    Little quicker engagement.<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 10/19/2024 2:27 PM,
      <a class="moz-txt-link-abbreviated" 
href="mailto:warthodson@aol.com";>warthodson@aol.com</a> wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:1255728717.3237267.1729373244468@mail.yahoo.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div class="ydpb7da010fyahoo-style-wrap"
        style="font-family:Comic Sans MS, sans-serif;font-size:16px;">
        <div dir="ltr" data-setdir="false">What are the pros &amp; cons
          of fitting the beerier  accumulator to the Healey OD?</div>
        <div dir="ltr" data-setdir="false">Gary H</div>
        <div><br>
        </div>
      </div>
      <div id="ydp389928f8yahoo_quoted_9997262861"
        class="ydp389928f8yahoo_quoted">
        <div class="ydp389928f8yahoo-style-wrap"
          style="font-family:Comic Sans MS, sans-serif;font-size:16px;">
          <div
style="font-family:'Helvetica Neue', Helvetica, Arial, 
sans-serif;font-size:13px;color:#26282a;">
            <div class="ydp389928f8quoted-text-header"> On Friday,
              October 18, 2024 at 10:20:21 PM CDT, Bob Spidell via
              Healeys <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys@autox.team.net";>&lt;healeys@autox.team.net&gt;</a> wrote: 
</div>
          </div>
          <div
style="font-family:'Helvetica Neue', Helvetica, Arial, 
sans-serif;font-size:13px;color:#26282a;border-left: 1px solid 
#ccc;padding-left: 8px;margin: 0px 0px 0px 8px"
            class="ydp389928f8inline_reply_quote_container"
            data-split-quote-node="true">
            <div><br>
            </div>
            <div><br>
            </div>
            <div>
              <div id="ydp389928f8yiv5196140530">
                <div> Note the kickdown can be used to, uh, kick down.
                  Say you're following slow traffic in top/OD, and you
                  see a chance to pass coming up; you throw the dash
                  switch and when it's clear you stomp on the
                  accelerator pedal, the O/D will disengage and you're
                  in a lower gear to pass. Doesn't work great--I usually
                  drop a gear too--but it's doable. Note older cars with
                  automatics usually have them, rigged to the throttle
                  linkage.<br clear="none">
                  <br clear="none">
                  Triumphs, and others, also have a beefier accumulator
                  for faster engagement (a mod sold by DWM and others).<br
                    clear="none">
                  <br clear="none">
                  <br clear="none">
                  <div id="ydp389928f8yiv5196140530yqt13353"
                    class="ydp389928f8yiv5196140530yqt3079601209">
                    <div class="ydp389928f8yiv5196140530moz-cite-prefix">On
                      10/18/2024 4:44 PM, Simon Lachlan via Healeys
                      wrote:<br clear="none">
                    </div>
                    <blockquote type="cite"> </blockquote>
                  </div>
                </div>
                <div id="ydp389928f8yiv5196140530yqt82487"
                  class="ydp389928f8yiv5196140530yqt3079601209">
                  <div>
                    <div class="ydp389928f8yiv5196140530WordSection1">
                      <p class="ydp389928f8yiv5196140530MsoNormal"><span
                          style="font-family:New serif;">Michael, </span></p>
                      <p class="ydp389928f8yiv5196140530MsoNormal"><span
                          style="font-family:New serif;">Yes, agreed. He
                          said the same to me in a discussion as to why
                          Triumphs donâ??t have the kickdown whereas the
                          Healeys do. Actually that wasnâ??t long after
                          your visit.</span></p>
                      <p class="ydp389928f8yiv5196140530MsoNormal"><span
                          style="font-family:New serif;">(Dave Twigger
                          is pretty much The Man in the UK overdrive
                          world. So far as I recall, his father-in-law
                          bought all the overdrive spares when Laycock
                          stopped manufacturing. Or something like that.
                          Bit like Fred at AH Spares? Heâ??s a nice guy,
                          very helpful.)</span></p>
                      <p class="ydp389928f8yiv5196140530MsoNormal"><span
                          style="font-family:New serif;">  </span></p>
                      <p class="ydp389928f8yiv5196140530MsoNormal"><span
                          style="font-family:New serif;">Simon</span></p>
                      <p class="ydp389928f8yiv5196140530MsoNormal"><span
                          style="font-family:New serif;">  </span></p>
                      <div
style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm;">
                        <p class="ydp389928f8yiv5196140530MsoNormal"><b><span
                              lang="EN-US"
style="font-size:11.0pt;font-family:sans-serif;">From:</span></b><span
                            lang="EN-US"
style="font-size:11.0pt;font-family:sans-serif;"> Healeys <a
                              shape="rect"
href="mailto:healeys-bounces@autox.team.net";
class="ydp389928f8yiv5196140530moz-txt-link-rfc2396E" rel="nofollow"
                              target="_blank" 
moz-do-not-send="true">&lt;healeys-bounces@autox.team.net&gt;</a>
                            <b>On Behalf Of </b>Michael Salter<br
                              clear="none">
                            <b>Sent:</b> 18 October 2024 23:25<br
                              clear="none">
                            <b>To:</b> Don Day <a shape="rect"
                              href="mailto:fsufan1952@yahoo.com";
class="ydp389928f8yiv5196140530moz-txt-link-rfc2396E" rel="nofollow"
                              target="_blank" 
moz-do-not-send="true">&lt;fsufan1952@yahoo.com&gt;</a><br
                              clear="none">
                            <b>Cc:</b> healey list <a shape="rect"
                              href="mailto:healeys@autox.team.net";
class="ydp389928f8yiv5196140530moz-txt-link-rfc2396E" rel="nofollow"
                              target="_blank" 
moz-do-not-send="true">&lt;healeys@autox.team.net&gt;</a><br
                              clear="none">
                            <b>Subject:</b> Re: [Healeys] OD switch</span></p>
                      </div>
                      <p class="ydp389928f8yiv5196140530MsoNormal">  </p>
                      <div>
                        <p class="ydp389928f8yiv5196140530MsoNormal">As
                          explained to me Dave Twigger the purpose of
                          the kickdown switch is to prevent the
                          overdrive unit being subjected to reverse
                          torque which it is not designed to handle.</p>
                        <div>
                          <p class="ydp389928f8yiv5196140530MsoNormal">As
                            I  understand it, if the overdrive is
                            treated with respect, and the clutch is used
                            during disengagement there will be no
                            problems but, if you flip the switch off
                            when cruising at high speed without using
                            the clutch to minimize the reverse loading
                            on the overdrive, the planetary gear
                            assembly can be severly damaged. </p>
                        </div>
                        <div>
                          <p class="ydp389928f8yiv5196140530MsoNormal">The
                            kickdown switch prevents this.</p>
                        </div>
                        <div>
                          <p class="ydp389928f8yiv5196140530MsoNormal">
                             </p>
                        </div>
                        <div>
                          <p class="ydp389928f8yiv5196140530MsoNormal">M</p>
                        </div>
                      </div>
                      <p class="ydp389928f8yiv5196140530MsoNormal">  </p>
                      <div>
                        <div>
                          <p class="ydp389928f8yiv5196140530MsoNormal">On
                            Fri., Oct. 18, 2024, 4:18 p.m. Don via
                            Healeys, &lt;<a shape="rect"
                              href="mailto:healeys@autox.team.net";
class="ydp389928f8yiv5196140530moz-txt-link-freetext moz-txt-link-freetext"
                              rel="nofollow" target="_blank"
                              
moz-do-not-send="true">healeys@autox.team.net</a>&gt;
                            wrote:</p>
                        </div>
                        <blockquote
style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 
6.0pt;margin-left:4.8pt;margin-right:0cm;">
                          <p style="margin-bottom:12.0pt;"
                            class="ydp389928f8yiv5196140530MsoNormal">Hi
                            All <br clear="none">
                                  I installed the new OD brass drain
                            plug with the o ring and so far <span
                              style="font-family:UI 
sans-serif;">ð?¤?ð??»</span>not
                            a drip of oil anywhere. I think itâ??s a great
                            design by Cape International. <br
                              clear="none">
                            I did see someone posted about eliminating
                            the od switch on the firewall and just
                            needing to use the switch on the dash . No
                            more needing to Blip the throttle to
                            activate the od . Could that someone please
                            explain the wiring needed to make this
                            change . It sounds like another modern up
                            grade to make our driving experience easier.
                            <br clear="none">
                                  Thanks as always , Don <br
                              clear="none">
                            Sent from my iPhone<br clear="none">
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