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Re: [Healeys] Spark plug gap

To: healeys@autox.team.net
Subject: Re: [Healeys] Spark plug gap
From: Kees Oudesluijs via Healeys <healeys@autox.team.net>
Date: Fri, 5 May 2023 11:28:39 +0200
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <000001d97dec$3ebe6800$bc3b3800$@alexarevel.plus.com> <1683143739797.3398822.a14248bfe188de5976f98f018d4aa49836355f5e@spica.telekom.de> <000e01d97e0b$948451e0$bd8cf5a0$@alexarevel.plus.com> <1683180374184.3438755.d7091099a99773540ea52bfc82f6e724c4dc2437@spica.telekom.de> <000001d97e75$8e7c6250$ab7526f0$@alexarevel.plus.com> <1683200618943.30241.4931512a23c5af4193aff3855654c40b0b67018f@spica.telekom.de> <9427F91A-E53F-4967-9E1C-8D9390D009D8@gmail.com> <1683230301808.176666.2f66cce971a7f0aee6eebf3edb6c52fdd91abab7@spica.telekom.de>
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In extreme cases you may burn a hole in your pistons.
Kees



Op 4-5-2023 om 21:58 schreef josef-eckert--- via Healeys:
>
> Richard,
> Just do what you want. Its your car, your engine, I do not mind.
>
> Josef
>
> -----Original-Nachricht-----
>
> Betreff: Re: [Healeys] Spark plug gap
>
> Datum: 2023-05-04T16:10:56+0200
>
> Von: "Ricchardd Mayor" <boyracer466@gmail.com>
>
> An: "josef-eckert@t-online.de" <josef-eckert@t-online.de>
>
> On no!  Who knew that gapping your plugs at .032 would ruin your 
> engine. Thank you Josef for saving us.
> Richard Mayor
> boyracer466@gmail.com
>
>
>     On May 4, 2023, at 4:43 AM, josef-eckert--- via Healeys
>     <healeys@autox.team.net> wrote:
>
>     Sorry, I am out here. This guy wants to play till the engine is shot.
>
>     -----Original-Nachricht-----
>     Betreff: RE: [Healeys] Spark plug gap
>     Datum: 2023-05-04T12:45:37+0200
>     Von: "simon.lachlan@alexarevel.plus.com"
>     <simon.lachlan@alexarevel.plus.com>
>     An: "josef-eckert@t-online.de" <josef-eckert@t-online.de>
>
>     Thanks for that. Iâ??ll certainly bear it in mind. Likewise, Iâ??ll
>     keep a close eye on my engineâ??s temperature. The latter is quite
>     well protected with a modern rad, all the correct baffles, 5 blade
>     fan plus electronic fan. But, as I said, Iâ??ll keep an eye on it.
>
>     Someone mentioned that he used â??Iridiumâ?? plugs from NGK. I googled
>     themâ?¦.horribly expensive. Can they be worth it in our old cars?
>
>     Simon
>
>     *From:*josef-eckert@t-online.de <josef-eckert@t-online.de>
>     *Sent:* 04 May 2023 07:06
>     *To:* simon.lachlan@alexarevel.plus.com; Healey, Forum
>     <healeys@autox.team.net>
>     *Subject:* AW: [Healeys] Spark plug gap
>
>     For me, i prefer Champion plugs plugs to NGK, but that´s a matter
>     of taste. I think both, Champion and NGK, are of similar quality.
>     Matter of taste, as I wrote. But NOT the car manufacturer
>     determines the plug gap, its the plug manufacturer. Definitely the
>     car manufacturer takes this for his specs in the workshop manual.
>     There is to much hype about plugs anyway. I am working as a
>     professional, Elecrtonics and Elecrtrcian engineer, at a big
>     classic car parts supplier here in Europe and I never go away from
>     the given plug gap as set by the plug manufacturer. Austin-Healey
>     engines  are not high tech, they are tractor engines and can take
>     a lot of misfit, but anyway BMC knew at the time what´s best to do
>     with them, even its printed 60 or 70 years ago.
>     Some people try to adjust the fuel mixture with a CO-tester. You
>     can do that, but it doesn´t give best results for road use,
>     especially in hotter climates and high above sea level.
>     When you are very good in engine engineering and have all the
>     tools you can try to find some more horsepower in your engine, but
>     you always pay that with some more heat produced, which is not at
>     all good for our old BMC engines.
>
>     Josef
>
>     -----Original-Nachricht-----
>     Betreff: RE: [Healeys] Spark plug gap
>     Datum: 2023-05-04T00:06:58+0200
>     Von: "simon.lachlan@alexarevel.plus.com"
>     <simon.lachlan@alexarevel.plus.com>
>     An: "josef-eckert@t-online.de" <josef-eckert@t-online.de>
>
>     You may be right. Not sure.
>
>     Actually I thought that the gap was determined by the carâ??s
>     manufacturer ie one could expect to find the same plug in two
>     different cars and to find that the recommended gap was not the
>     same for each car.
>
>     Likewise, the BMC manual suggests Champion plugs at 0.024â?? to
>     0.026â?? and that was some 60+ years ago. Iâ??ve always been told that
>     Champion plugs arenâ??t the best in the world and Iâ??m sure that a
>     modern NGK can stand a little more heat than the Champions that
>     were around 60 years ago.
>
>     Anyhow, Iâ??ll keep an eye on them. Iâ??m a pretty tame driver so
>     there wonâ??t be undue stress under the bonnet.
>
>     Simon
>
>     *From:*josef-eckert@t-online.de <josef-eckert@t-online.de>
>     *Sent:* 03 May 2023 20:56
>     *To:* simon.lachlan@alexarevel.plus.com; healeys@autox.team.net
>     *Subject:* AW: [Healeys] Spark plug gap
>
>     Spark plugs are designed and tested to be used with the gap given
>     by the producer of the spark plug.
>     When you widen the gap the plug gets hotter as it is designed for
>     and the electrode can melt or wear very fast.
>     Its a very short win you gain modifying them.
>     I never understand why people think they are better engineers and
>     know better than the designers of the system they use.
>
>     Josef
>
>     -----Original-Nachricht-----
>     Betreff: [Healeys] Spark plug gap
>     Datum: 2023-05-03T21:39:57+0200
>     Von: "Simon Lachlan via Healeys" <healeys@autox.team.net>
>     An: "'Healeys'" <healeys@autox.team.net>
>
>     I run my MkII BT7 on NGK BP6ES which were recommended by some of
>     the wise ones on this list.
>
>     The car has a â??Sportsâ?? coil and a 123Ignition distributor. DW fast
>     road camâ?¦etc
>
>     Now, talking of â??recommendedâ??, the rolling road guys told me to
>     set the plugs at 0.028â?? and pooh-poohed anything bigger when I
>     suggested that Iâ??d heard of much greater gaps with my approximate
>     setup.
>
>     So, I went with 0.028.
>
>     The other day, I decided to experiment and set my spare set at
>     0.032â??. Same NGKs, no mileage on them..decent plugs. Anyhow, it
>     made a very surprising difference. All round performance is much
>     enhanced.
>
>     Despite itâ??s 3:54 diff and 28% OD, it was never sluggish on our
>     local hills. But now it fairly zooms up them.
>
>     To be frank, all a bit of a surprise.
>
>     Not boastingâ?¦just putting that out there in case anyone else is
>     thinking of going up a few thouâ?¦..
>
>     When I asked about gaps a few years back, some of the suggestions
>     were near 0.040â??. Surely that a bit much?
>
>     Simon
>
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>
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> 
>
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    <p>In extreme cases you may burn a hole in your pistons.<br>
      Kees</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Op 4-5-2023 om 21:58 schreef
      josef-eckert--- via Healeys:<br>
    </div>
    <blockquote type="cite"
cite="mid:1683230301808.176666.2f66cce971a7f0aee6eebf3edb6c52fdd91abab7@spica.telekom.de">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <title></title>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Richard,<br>
          Just do what you want. Its your car, your engine, I do not
          mind.<br>
        </span></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Josef</span></p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none"> </span></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;">-----Original-Nachricht-----</p>
      <p style="margin: 0px;">Betreff: Re: [Healeys] Spark plug gap</p>
      <p style="margin: 0px;">Datum: 2023-05-04T16:10:56+0200</p>
      <p style="margin: 0px;">Von: "Ricchardd Mayor"
        <a class="moz-txt-link-rfc2396E" 
href="mailto:boyracer466@gmail.com";>&lt;boyracer466@gmail.com&gt;</a></p>
      <p style="margin: 0px;">An: <a class="moz-txt-link-rfc2396E" 
href="mailto:josef-eckert@t-online.de";>"josef-eckert@t-online.de"</a>
        <a class="moz-txt-link-rfc2396E" 
href="mailto:josef-eckert@t-online.de";>&lt;josef-eckert@t-online.de&gt;</a></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <div style="position: relative; color: #000000; font: 12px
        Arial,Helvetica,sans-serif;">On no!  Who knew that gapping your
        plugs at .032 would ruin your engine. Thank you Josef for saving
        us.  
        <div class=""> </div>
        <div class="">Richard Mayor
          <div class=""><a class="moz-txt-link-freetext"
              href="mailto:boyracer466@gmail.com"; 
moz-do-not-send="true">boyracer466@gmail.com</a><br
              class="">
            <br class="">
          </div>
          <br class="">
          <div>
            <blockquote class="">
              <div class="">On May 4, 2023, at 4:43 AM, josef-eckert---
                via Healeys &lt;<a class="moz-txt-link-freetext"
                  href="mailto:healeys@autox.team.net";
                  moz-do-not-send="true">healeys@autox.team.net</a>&gt;
                wrote:</div>
              <br class="Apple-interchange-newline">
              <div class="">
                <div class="">
                  <div class="" style="margin: 0px;"><span class=""
                      style="font-family: arial, helvetica, sans-serif;
                      font-size: 10pt; text-decoration: none;">Sorry, I
                      am out here. This guy wants to play till the
                      engine is shot.<br class="">
                    </span></div>
                  <p class="" style="margin: 0px;"><span class=""
                      style="font-family: arial, helvetica, sans-serif;
                      font-size: 10pt; text-decoration: none;"> </span></p>
                  <p class="" style="margin: 0px;"> </p>
                  <p class="" style="margin: 0px;"> </p>
                  <div class="" style="margin: 
0px;">-----Original-Nachricht-----</div>
                  <div class="" style="margin: 0px;">Betreff: RE:
                    [Healeys] Spark plug gap</div>
                  <div class="" style="margin: 0px;">Datum:
                    2023-05-04T12:45:37+0200</div>
                  <div class="" style="margin: 0px;">Von: "<a
                      class="moz-txt-link-freetext"
                      href="mailto:simon.lachlan@alexarevel.plus.com";
                      
moz-do-not-send="true">simon.lachlan@alexarevel.plus.com</a>"
                    &lt;<a class="moz-txt-link-freetext"
                      href="mailto:simon.lachlan@alexarevel.plus.com";
                      
moz-do-not-send="true">simon.lachlan@alexarevel.plus.com</a>&gt;</div>
                  <div class="" style="margin: 0px;">An: "<a
                      class="moz-txt-link-freetext"
                      href="mailto:josef-eckert@t-online.de";
                      moz-do-not-send="true">josef-eckert@t-online.de</a>"
                    &lt;<a class="moz-txt-link-freetext"
                      href="mailto:josef-eckert@t-online.de";
                      
moz-do-not-send="true">josef-eckert@t-online.de</a>&gt;</div>
                  <p class="" style="margin: 0px;"> </p>
                  <p class="" style="margin: 0px;"> </p>
                  <p class="" style="margin: 0px;"> </p>
                  <div class="" style="position: relative; font-style:
                    normal; font-variant: normal; font-weight: normal;
                    font-size: 12px; line-height: normal; font-family:
                    Arial, Helvetica, sans-serif;">
                    <div class="WordSection1">
                      <p class="MsoNormal"><span class=""
                          style="mso-fareast-language: EN-US;">Thanks
                          for that. Iâ??ll certainly bear it in mind.
                          Likewise, Iâ??ll keep a close eye on my engineâ??s
                          temperature. The latter is quite well
                          protected with a modern rad, all the correct
                          baffles, 5 blade fan plus electronic fan. But,
                          as I said, Iâ??ll keep an eye on it.</span></p>
                      <p class="MsoNormal"><span class=""
                          style="mso-fareast-language: EN-US;">Someone
                          mentioned that he used â??Iridiumâ?? plugs from
                          NGK. I googled themâ?¦.horribly expensive. Can
                          they be worth it in our old cars?</span></p>
                      <p class="MsoNormal"><span class=""
                          style="mso-fareast-language: EN-US;">Simon</span></p>
                      <div class=""><span class=""
                          style="mso-fareast-language: EN-US;"> </span></div>
                      <div class="">
                        <div class="" style="border: none; border-top:
                          solid #E1E1E1 1.0pt; padding: 3.0pt 0cm 0cm
                          0cm;">
                          <p class="MsoNormal"><strong class=""><span
                                class="" lang="EN-US">From:</span></strong><span
                              class="" lang="EN-US"> <a
                                class="moz-txt-link-freetext"
                                href="mailto:josef-eckert@t-online.de";
                                
moz-do-not-send="true">josef-eckert@t-online.de</a>
                              &lt;<a class="moz-txt-link-freetext"
                                href="mailto:josef-eckert@t-online.de";
                                
moz-do-not-send="true">josef-eckert@t-online.de</a>&gt;
                              <br class="">
                              <strong class="">Sent:</strong> 04 May
                              2023 07:06<br class="">
                              <strong class="">To:</strong> <a
                                class="moz-txt-link-freetext"
                                href="mailto:simon.lachlan@alexarevel.plus.com";
                                
moz-do-not-send="true">simon.lachlan@alexarevel.plus.com</a>;
                              Healey, Forum &lt;<a
                                class="moz-txt-link-freetext"
                                href="mailto:healeys@autox.team.net";
                                
moz-do-not-send="true">healeys@autox.team.net</a>&gt;<br
                                class="">
                              <strong class="">Subject:</strong> AW:
                              [Healeys] Spark plug gap</span></p>
                        </div>
                      </div>
                      <div class=""> </div>
                      <div class="" style="margin: 0px;"><span class=""
                          style="font-size: 10pt; font-family: Arial,
                          sans-serif;">For me, i prefer Champion plugs
                          plugs to NGK, but that´s a matter of taste. I
                          think both, Champion and NGK, are of similar
                          quality. Matter of taste, as I wrote. But NOT
                          the car manufacturer determines the plug gap,
                          its the plug manufacturer. Definitely the car
                          manufacturer takes this for his specs in the
                          workshop manual.</span></div>
                      <div class="" style="margin: 0px;"><span class=""
                          style="font-size: 10pt; font-family: Arial,
                          sans-serif;">There is to much hype about plugs
                          anyway. I am working as a professional,
                          Elecrtonics and Elecrtrcian engineer, at a big
                          classic car parts supplier here in Europe and
                          I never go away from the given plug gap as set
                          by the plug manufacturer. Austin-Healey
                          engines  are not high tech, they are tractor
                          engines and can take a lot of misfit, but
                          anyway BMC knew at the time what´s best to do
                          with them, even its printed 60 or 70 years
                          ago.</span></div>
                      <div class="" style="margin: 0px;"><span class=""
                          style="font-size: 10pt; font-family: Arial,
                          sans-serif;">Some people try to adjust the
                          fuel mixture with a CO-tester. You can do
                          that, but it doesn´t give best results for
                          road use, especially in hotter climates and
                          high above sea level. </span></div>
                      <div class="" style="margin: 0px;"><span class=""
                          style="font-size: 10pt; font-family: Arial,
                          sans-serif;">When you are very good in engine
                          engineering and have all the tools you can try
                          to find some more horsepower in your engine,
                          but you always pay that with some more heat
                          produced, which is not at all good for our old
                          BMC engines.</span></div>
                      <p class="" style="margin: 0px;"> </p>
                      <div class="" style="margin: 0px;"><span class=""
                          style="font-size: 10pt; font-family: Arial,
                          sans-serif;">Josef</span></div>
                      <p class="" style="margin: 0px;"><span class=""
                          style="font-size: 10pt; font-family: Arial,
                          sans-serif;"> </span></p>
                      <p class="" style="margin: 0px;"> </p>
                      <p class="" style="margin: 0px;"> </p>
                      <div class="" style="margin: 
0px;">-----Original-Nachricht-----</div>
                      <div class="" style="margin: 0px;">Betreff: RE:
                        [Healeys] Spark plug gap</div>
                      <div class="" style="margin: 0px;">Datum:
                        2023-05-04T00:06:58+0200</div>
                      <div class="" style="margin: 0px;">Von: "<a
                          class="moz-txt-link-freetext"
                          href="mailto:simon.lachlan@alexarevel.plus.com";
                          
moz-do-not-send="true">simon.lachlan@alexarevel.plus.com</a>"
                        &lt;<a class="moz-txt-link-freetext"
                          href="mailto:simon.lachlan@alexarevel.plus.com";
                          
moz-do-not-send="true">simon.lachlan@alexarevel.plus.com</a>&gt;</div>
                      <div class="" style="margin: 0px;">An: "<a
                          class="moz-txt-link-freetext"
                          href="mailto:josef-eckert@t-online.de";
                          moz-do-not-send="true">josef-eckert@t-online.de</a>"
                        &lt;<a class="moz-txt-link-freetext"
                          href="mailto:josef-eckert@t-online.de";
                          
moz-do-not-send="true">josef-eckert@t-online.de</a>&gt;</div>
                      <p class="" style="margin: 0px;"> </p>
                      <p class="" style="margin: 0px;"> </p>
                      <p class="" style="margin: 0px;"> </p>
                      <div class="">
                        <div class="">
                          <p class="MsoNormal"
                            style="mso-margin-top-alt: auto;
                            mso-margin-bottom-alt: auto;"><span class=""
                              style="font-size: 9pt; font-family: Arial,
                              sans-serif;">You may be right. Not sure. 
</span></p>
                          <p class="MsoNormal"
                            style="mso-margin-top-alt: auto;
                            mso-margin-bottom-alt: auto;"><span class=""
                              style="font-size: 9pt; font-family: Arial,
                              sans-serif;">Actually I thought that the
                              gap was determined by the carâ??s
                              manufacturer ie one could expect to find
                              the same plug in two different cars and to
                              find that the recommended gap was not the
                              same for each car.</span></p>
                          <p class="MsoNormal"
                            style="mso-margin-top-alt: auto;
                            mso-margin-bottom-alt: auto;"><span class=""
                              style="font-size: 9pt; font-family: Arial,
                              sans-serif;">Likewise, the BMC manual
                              suggests Champion plugs at 0.024â?? to
                              0.026â?? and that was some 60+ years ago.
                              Iâ??ve always been told that Champion plugs
                              arenâ??t the best in the world and Iâ??m sure
                              that a modern NGK can stand a little more
                              heat than the Champions that were around
                              60 years ago.</span></p>
                          <p class="MsoNormal"
                            style="mso-margin-top-alt: auto;
                            mso-margin-bottom-alt: auto;"><span class=""
                              style="font-size: 9pt; font-family: Arial,
                              sans-serif;">Anyhow, Iâ??ll keep an eye on
                              them. Iâ??m a pretty tame driver so there
                              wonâ??t be undue stress under the 
bonnet.</span></p>
                          <p class="MsoNormal"
                            style="mso-margin-top-alt: auto;
                            mso-margin-bottom-alt: auto;"><span class=""
                              style="font-size: 9pt; font-family: Arial,
                              sans-serif;">Simon</span></p>
                          <div class=""><span class="" style="font-size:
                              9pt; font-family: Arial, 
sans-serif;"> </span></div>
                          <div class="">
                            <div class="" style="border: none;
                              border-top: solid #E1E1E1 1.0pt; padding:
                              3.0pt 0cm 0cm 0cm;">
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><strong
                                  class=""><span class=""
                                    style="font-size: 9pt; font-family:
                                    Arial, sans-serif;" 
lang="EN-US">From:</span></strong><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, sans-serif;"
                                  lang="EN-US"> <a
                                    class="moz-txt-link-freetext"
                                    href="mailto:josef-eckert@t-online.de";
                                    
moz-do-not-send="true">josef-eckert@t-online.de</a>
                                  &lt;<a class="moz-txt-link-freetext"
                                    href="mailto:josef-eckert@t-online.de";
                                    
moz-do-not-send="true">josef-eckert@t-online.de</a>&gt;
                                  <br class="">
                                  <strong class=""><span class=""
                                      style="font-family:
                                      'Arial',sans-serif;">Sent:</span></strong>
                                  03 May 2023 20:56<br class="">
                                  <strong class=""><span class=""
                                      style="font-family:
                                      'Arial',sans-serif;">To:</span></strong>
                                  <a class="moz-txt-link-freetext"
                                    
href="mailto:simon.lachlan@alexarevel.plus.com";
                                    
moz-do-not-send="true">simon.lachlan@alexarevel.plus.com</a>;
                                  <a class="moz-txt-link-freetext"
                                    href="mailto:healeys@autox.team.net";
                                    
moz-do-not-send="true">healeys@autox.team.net</a><br
                                    class="">
                                  <strong class=""><span class=""
                                      style="font-family:
                                      
'Arial',sans-serif;">Subject:</span></strong>
                                  AW: [Healeys] Spark plug gap</span></p>
                            </div>
                          </div>
                          <div class=""><span class="" style="font-size:
                              9pt; font-family: Arial, 
sans-serif;"> </span></div>
                          <div class="" style="margin: 0px;"><span
                              class="" style="font-size: 10pt;
                              font-family: Arial, sans-serif;">Spark
                              plugs are designed and tested to be used
                              with the gap given by the producer of the
                              spark plug.</span></div>
                          <div class="" style="margin: 0px;"><span
                              class="" style="font-size: 10pt;
                              font-family: Arial, sans-serif;">When you
                              widen the gap the plug gets hotter as it
                              is designed for and the electrode can melt
                              or wear very fast.</span></div>
                          <div class="" style="margin: 0px;"><span
                              class="" style="font-size: 10pt;
                              font-family: Arial, sans-serif;">Its a
                              very short win you gain modifying 
them.</span></div>
                          <div class="" style="margin: 0px;"><span
                              class="" style="font-size: 10pt;
                              font-family: Arial, sans-serif;">I never
                              understand why people think they are
                              better engineers and know better than the
                              designers of the system they use.</span></div>
                          <p class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;"> </span></p>
                          <div class="" style="margin: 0px;"><span
                              class="" style="font-size: 10pt;
                              font-family: Arial, sans-serif;">Josef 
</span></div>
                          <p class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;"> </span></p>
                          <p class="" style="margin: 0px;"><span
                              class="" style="font-size: 10pt;
                              font-family: Arial, sans-serif;"> </span></p>
                          <p class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;"> </span></p>
                          <p class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;"> </span></p>
                          <div class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, 
sans-serif;">-----Original-Nachricht-----</span></div>
                          <div class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;">Betreff:
                              [Healeys] Spark plug gap</span></div>
                          <div class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;">Datum:
                              2023-05-03T21:39:57+0200</span></div>
                          <div class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;">Von:
                              "Simon Lachlan via Healeys" &lt;<a
                                class="moz-txt-link-freetext"
                                href="mailto:healeys@autox.team.net";
                                
moz-do-not-send="true">healeys@autox.team.net</a>&gt;</span></div>
                          <div class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;">An:
                              "'Healeys'" &lt;<a
                                class="moz-txt-link-freetext"
                                href="mailto:healeys@autox.team.net";
                                
moz-do-not-send="true">healeys@autox.team.net</a>&gt;</span></div>
                          <p class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;"> </span></p>
                          <p class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;"> </span></p>
                          <p class="" style="margin: 0px;"><span
                              class="" style="font-size: 9pt;
                              font-family: Arial, sans-serif;"> </span></p>
                          <div class="">
                            <div class="">
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, sans-serif;">I run
                                  my MkII BT7 on NGK BP6ES which were
                                  recommended by some of the wise ones
                                  on this list.</span></p>
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, sans-serif;">The
                                  car has a â??Sportsâ?? coil and a
                                  123Ignition distributor. DW fast road
                                  camâ?¦etc</span></p>
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, sans-serif;">Now,
                                  talking of â??recommendedâ??, the rolling
                                  road guys told me to set the plugs at
                                  0.028â?? and pooh-poohed anything bigger
                                  when I suggested that Iâ??d heard of
                                  much greater gaps with my approximate
                                  setup.</span></p>
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, sans-serif;">So, I
                                  went with 0.028.</span></p>
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, sans-serif;">The
                                  other day, I decided to experiment and
                                  set my spare set at 0.032â??. Same NGKs,
                                  no mileage on them..decent plugs.
                                  Anyhow, it made a very surprising
                                  difference. All round performance is
                                  much enhanced.</span></p>
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, sans-serif;">Despite
                                  itâ??s 3:54 diff and 28% OD, it was
                                  never sluggish on our local hills. But
                                  now it fairly zooms up them.</span></p>
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, sans-serif;">To be
                                  frank, all a bit of a surprise.</span></p>
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, sans-serif;">Not
                                  boastingâ?¦just putting that out there
                                  in case anyone else is thinking of
                                  going up a few thouâ?¦..</span></p>
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, sans-serif;">When
                                  I asked about gaps a few years back,
                                  some of the suggestions were near
                                  0.040â??. Surely that a bit much?</span></p>
                              <p class="MsoNormal"
                                style="mso-margin-top-alt: auto;
                                mso-margin-bottom-alt: auto;"><span
                                  class="" style="font-size: 9pt;
                                  font-family: Arial, 
sans-serif;">Simon</span></p>
                            </div>
                          </div>
                          <div class=""><span class="" style="font-size:
                              9pt; font-family: Arial, 
sans-serif;"> </span></div>
                        </div>
                      </div>
                      <div class=""> </div>
                    </div>
                  </div>
                </div>
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      <br>
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      <pre class="moz-quote-pre" 
wrap="">_______________________________________________

Archive: <a class="moz-txt-link-freetext" 
href="http://www.team.net/pipermail/healeys";>http://www.team.net/pipermail/healeys</a>
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href="http://autox.team.net/archive/healeys";>http://autox.team.net/archive/healeys</a>

<a class="moz-txt-link-abbreviated" 
href="mailto:Healeys@autox.team.net";>Healeys@autox.team.net</a>
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