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Re: [Healeys] Fwd: fuel pump

To: healeys@autox.team.net
Subject: Re: [Healeys] Fwd: fuel pump
From: Kees Oudesluijs via Healeys <healeys@autox.team.net>
Date: Tue, 25 Apr 2023 08:46:50 +0200
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The electronic ones I have encountered all sounded like the old points 
pump, i.e. a rapid clicking when switching on the ignition that stops 
after a few seconds when the float bowls are full. The same with the few 
I converted to electronics as an experiment on request. There was no 
difference in behaviour compared to the points pumps.

Kees Oudesluijs



Op 25-4-2023 om 06:46 schreef Roger Grace:
>
>
> ---------- Forwarded message ---------
> From: *Roger Grace* <roggrace@telus.net>
> Date: Mon, Apr 24, 2023 at 9:46â?¯PM
> Subject: Re: [Healeys] fuel pump
> To: Bob Haskell <rchaskell@earthlink.net>
>
>
> While we are on the topic of fuel pumps ....
> I recently installed a new SU electronic pump on my BJ8.
> Relatively straight forward install.
> However the "tick" interval was my concern.
> Ticks approx. every 5 secs with the engine off.
> Almost continuous when idling.
> Very different to the old points style tick interval.
> No delivery side fuel leaks.
> Spent a lot of effort hunting for inlet side leaks - checking seals etc
> Car runs fine.
> Eventually gave up and called Bulen in the UK (where pump came from)
> Evidently the electronic pumps have a ball bearing arrangement to 
> simulate the classic SU tick sound ?
> They indicated all OK and just within spec.
> Being cynical, still a little suspicious of potential problems down 
> the line ?
> So wondering what others have experienced when fitting electronic SU 
> pumps ?
> Tkx
> rg
>
> On Mon, Apr 24, 2023 at 2:59â?¯PM Bob Haskell <rchaskell@earthlink.net> 
> wrote:
>
>     Simon,
>
>     I thought that the AUF400 series pumps were configured to use both
>     pumps at the same time and the AUF500 series was the use one side
>     at a time version. Will have to see if I have one of each to look at.
>
>     Bob Haskell
>     Austin-Healey 3000 roadster registrar
>
>     On 4/24/23 10:24, Simon Lachlan via Healeys wrote:
>>
>>     Iâ??ve installed a double-ended SU which sort of reinforces my
>>     faith in SU whilst doubling up on the reserve pump option. One
>>     can switch from end to end, both of which are individually fused.
>>     One end did fail and the other got me home. It was the points.
>>
>>         Simon
>>
>>
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    <p>The electronic ones I have encountered all sounded like the old
      points pump, i.e. a rapid clicking when switching on the ignition
      that stops after a few seconds when the float bowls are full. The
      same with the few I converted to electronics as an experiment on
      request. There was no difference in behaviour compared to the
      points pumps.</p>
    <p>Kees Oudesluijs</p>
    <p><br>
    </p>
    <p> <br>
    </p>
    <div class="moz-cite-prefix">Op 25-4-2023 om 06:46 schreef Roger
      Grace:<br>
    </div>
    <blockquote type="cite"
cite="mid:CALPtYiPNedk98MaKT-a7K-Qm6SELAZCXKgwbAdK5kn4mQVig7w@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr"><br>
        <br>
        <div class="gmail_quote">
          <div dir="ltr" class="gmail_attr">---------- Forwarded message
            ---------<br>
            From: <b class="gmail_sendername" dir="auto">Roger Grace</b>
            <span dir="auto">&lt;<a href="mailto:roggrace@telus.net";
                moz-do-not-send="true" 
class="moz-txt-link-freetext">roggrace@telus.net</a>&gt;</span><br>
            Date: Mon, Apr 24, 2023 at 9:46â?¯PM<br>
            Subject: Re: [Healeys] fuel pump<br>
            To: Bob Haskell &lt;<a href="mailto:rchaskell@earthlink.net";
              moz-do-not-send="true" 
class="moz-txt-link-freetext">rchaskell@earthlink.net</a>&gt;<br>
          </div>
          <br>
          <br>
          <div dir="ltr">
            <div>While we are on the topic of fuel pumps ....</div>
            <div>I recently installed a new SU electronic pump on my
              BJ8.</div>
            <div>Relatively straight forward install.</div>
            <div>However the "tick" interval was my concern.</div>
            <div>Ticks approx. every 5 secs with the engine off.</div>
            <div>Almost continuous when idling.</div>
            <div>
              Very different to the old points style tick interval.
            </div>
            <div>No delivery side fuel leaks.</div>
            <div>Spent a lot of effort hunting for inlet side leaks -
              checking seals etc</div>
            <div>Car runs fine.<br>
            </div>
            <div>Eventually gave up and called Bulen in the UK (where
              pump came from)</div>
            <div>Evidently the electronic pumps have a ball bearing
              arrangement to simulate the classic SU tick sound ?<br>
            </div>
            <div>They indicated all OK and just within spec.<br>
            </div>
            <div>Being cynical, still a little suspicious of potential 
              problems down the line ?<br>
            </div>
            <div>So wondering what others have experienced when fitting
              electronic SU pumps ?</div>
            <div>Tkx</div>
            <div>rg<br>
            </div>
          </div>
          <br>
          <div class="gmail_quote">
            <div dir="ltr" class="gmail_attr">On Mon, Apr 24, 2023 at
              2:59â?¯PM Bob Haskell &lt;<a
                href="mailto:rchaskell@earthlink.net"; target="_blank"
                moz-do-not-send="true" 
class="moz-txt-link-freetext">rchaskell@earthlink.net</a>&gt;
              wrote:<br>
            </div>
            <blockquote class="gmail_quote" style="margin:0px 0px 0px
              0.8ex;border-left:1px solid
              rgb(204,204,204);padding-left:1ex">
              <div>
                <p>Simon,</p>
                <p>I thought that the AUF400 series pumps were
                  configured to use both pumps at the same time and the
                  AUF500 series was the use one side at a time version. 
                  Will have to see if I have one of each to look at.<br>
                </p>
                <pre cols="72">Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
                <div>On 4/24/23 10:24, Simon Lachlan via Healeys wrote:<br>
                </div>
                <blockquote type="cite">
                  <div>
                    <p class="MsoNormal"><span
                        
style="font-size:11pt;font-family:&quot;Calibri&quot;,sans-serif">Iâ??ve
                        installed a double-ended SU which sort of
                        reinforces my faith in SU whilst doubling up on
                        the reserve pump option. One can switch from end
                        to end, both of which are individually fused.
                        One end did fail and the other got me home. It
                        was the points.</span></p>
                    <div>
                      <blockquote style="border-color:currentcolor
                        currentcolor currentcolor
                        rgb(204,204,204);border-style:none none none
                        solid;border-width:medium medium medium
                        1pt;padding:0cm 0cm 0cm 6pt;margin:5pt 0cm 5pt
                        4.8pt">
                        <p class="MsoNormal" style="margin-bottom:12pt"><span
                            lang="EN-US">Simon</span></p>
                      </blockquote>
                    </div>
                  </div>
                  <br>
                  <fieldset></fieldset>
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