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Re: [Healeys] SU slow run valve or open throttle coninued

To: healeys@autox.team.net
Subject: Re: [Healeys] SU slow run valve or open throttle coninued
From: Bob Spidell <bspidell@comcast.net> /n4bW8pnxREwGIWZAi/YeJEIwuZncwudVlUbjdtpNwInXiNqdeWjcbNj1apRFP52RoKuceTAkH/itZqBq1Ikf7RwkvzoUlovKdc=
Date: Mon, 8 Jul 2024 08:14:21 -0700
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Delivered-to: healeys@autox.team.net
References: <df81972dc4e22472ced51179a96d3142@cal.net> <0795caefdd82b42eb89085af3faa8a9c@cal.net> <CAB3i7L+sC96Tx2k6t+XP3dAuW1QJo7H8c9LFvTAcYvGGJ_+5pw@mail.gmail.com> <PH0PR20MB4445B6EE5D3FD0185F47E125A5DA2@PH0PR20MB4445.namprd20.prod.outlook.com>
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Did it prevent run-on?


On 7/7/2024 11:02 PM, WILLIAM B LAWRENCE via Healeys wrote:
> The TR 6 (circa 1974) had a solenoid valve that dumped manifold vacuum 
> when the ignition switch was turned off.
>
> Bill L awrence
> ------------------------------------------------------------------------
> *From:* Healeys <healeys-bounces@autox.team.net> on behalf of Michael 
> Salter via Healeys <healeys@autox.team.net>
> *Sent:* Sunday, July 7, 2024 10:01 PM
> *To:* goldengt <goldengt@cal.net>
> *Cc:* AustinHealeylist <healeys@autox.team.net>
> *Subject:* Re: [Healeys] SU slow run valve or open throttle coninued
> The later model MGB used an "Anti Run-on Valve" which subjected the 
> float chambers to manifold vacuum when the key was turned off. I  
> would think one could be installed on a BJ8 without too much difficulty.
>
> M
>
> On Sun., Jul. 7, 2024, 5:11 p.m. Ken Freese via Healeys, 
> <healeys@autox.team.net> wrote:
>
>     I already do the dump the clutch technique.
>     I have found that that the slower the idle the less run on,
>     probably due
>     to less fuel present.
>     In a round about way my question was probably which idle technique
>     gives
>     a leaner mixture? Maybe at a specified idle speed the mixtures are
>     the
>     same.
>     Since American cars of the 70's used idle solenoids, I am thinking I
>     could put on a solenoid for the idle with ignition off. When
>     ignition is
>     off the throttle blades go completely closed. Combined with a low
>     idle I
>     might be less irritated.
>     Ken Freese
>     65 BJ8
>
>     On 2024-07-05 11:54, Ken Freese via Healeys wrote:
>     > Which technique will minimize dieseling on my BJ8, using the
>     slow run
>     > valve for a low idle or closing the slow run valve and using the
>     > throttle screw for a low idle? Joe Curto hasn't responded yet.
>     > I know an aluminium head would fix the whole high compression
>     problem,
>     > but I am not there yet.
>     > Thanks,
>     > Ken Freese
>     > 65 BJ8
>
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    Did it prevent run-on?<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 7/7/2024 11:02 PM, WILLIAM B
      LAWRENCE via Healeys wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:PH0PR20MB4445B6EE5D3FD0185F47E125A5DA2@PH0PR20MB4445.namprd20.prod.outlook.com">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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style="font-family: inherit; font-size: inherit; color: inherit; 
background-color: transparent;">
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      <div
style="font-family: inherit; font-size: inherit; color: inherit; 
background-color: transparent;">
        The TR 6 (circa 1974) had a solenoid valve that dumped manifold
        vacuum when the ignition switch was turned off.</div>
      <div
style="font-family: inherit; font-size: inherit; color: inherit; 
background-color: transparent;">
        <br>
      </div>
      <div
style="font-family: inherit; font-size: inherit; color: inherit; 
background-color: transparent;">
        Bill L awrence</div>
      <hr style="display:inline-block;width:98%" tabindex="-1">
      <div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
          face="Calibri, sans-serif" color="#000000"><b>From:</b>
          Healeys <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys-bounces@autox.team.net";>&lt;healeys-bounces@autox.team.net&gt;</a>
 on behalf of
          Michael Salter via Healeys <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys@autox.team.net";>&lt;healeys@autox.team.net&gt;</a><br>
          <b>Sent:</b> Sunday, July 7, 2024 10:01 PM<br>
          <b>To:</b> goldengt <a class="moz-txt-link-rfc2396E" 
href="mailto:goldengt@cal.net";>&lt;goldengt@cal.net&gt;</a><br>
          <b>Cc:</b> AustinHealeylist <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys@autox.team.net";>&lt;healeys@autox.team.net&gt;</a><br>
          <b>Subject:</b> Re: [Healeys] SU slow run valve or open
          throttle coninued</font>
        <div> </div>
      </div>
      <div>
        <div dir="auto">The later model MGB used an "Anti Run-on Valve"
          which subjected the float chambers to manifold vacuum when the
          key was turned off. I  would think one could be installed on a
          BJ8 without too much difficulty. 
          <div dir="auto"><br>
          </div>
          <div dir="auto">M</div>
        </div>
        <br>
        <div class="x_gmail_quote">
          <div dir="ltr" class="x_gmail_attr">On Sun., Jul. 7, 2024,
            5:11 p.m. Ken Freese via Healeys, &lt;<a
              href="mailto:healeys@autox.team.net";
              moz-do-not-send="true" 
class="moz-txt-link-freetext">healeys@autox.team.net</a>&gt;
            wrote:<br>
          </div>
          <blockquote class="x_gmail_quote"
style="margin:0 0 0 .8ex; border-left:1px #ccc solid; padding-left:1ex">
            I already do the dump the clutch technique.<br>
            I have found that that the slower the idle the less run on,
            probably due <br>
            to less fuel present.<br>
            In a round about way my question was probably which idle
            technique gives <br>
            a leaner mixture? Maybe at a specified idle speed the
            mixtures are the <br>
            same.<br>
            Since American cars of the 70's used idle solenoids, I am
            thinking I <br>
            could put on a solenoid for the idle with ignition off. When
            ignition is <br>
            off the throttle blades go completely closed. Combined with
            a low idle I <br>
            might be less irritated.<br>
            Ken Freese<br>
            65 BJ8<br>
            <br>
            On 2024-07-05 11:54, Ken Freese via Healeys wrote:<br>
            &gt; Which technique will minimize dieseling on my BJ8,
            using the slow run<br>
            &gt; valve for a low idle or closing the slow run valve and
            using the<br>
            &gt; throttle screw for a low idle? Joe Curto hasn't
            responded yet.<br>
            &gt; I know an aluminium head would fix the whole high
            compression problem,<br>
            &gt; but I am not there yet.<br>
            &gt; Thanks,<br>
            &gt; Ken Freese<br>
            &gt; 65 BJ8<br>
          </blockquote>
        </div>
      </div>
    </blockquote>
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