<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><title></title></head><body><p style="margin: 0px;"><span style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Chris,<br /></span></p>
<p style="margin: 0px;"><span style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">I haven´t wrote we have leaded fuel here in Europe.</span></p>
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<p style="margin: 0px;"><span style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Josef.</span></p>
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<p style="margin: 0px;">Betreff: Re: [Healeys] Spark plug gap</p>
<p style="margin: 0px;">Datum: 2023-05-06T02:32:59+0200</p>
<p style="margin: 0px;">Von: "Chris Dimmock" <austin.healey@gmail.com></p>
<p style="margin: 0px;">An: "Kees Oudesluijs" <coudesluijs@chello.nl></p>
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<div dir="ltr">Wow</div>
<div dir="ltr">I’m shocked you still have leaded fuel Josef. </div>
<div dir="ltr">Because there are a lot more issues than lead. </div>
<div dir="ltr">But clearly, your 1960’s spark plugs cope with all of them. </div>
<div dir="ltr">Because lead made a difference. </div>
<div dir="ltr">But obviously not in Europe </div>
<div dir="ltr">Sincerely </div>
<div dir="ltr">Chris. </div>
<div dir="ltr">Sydney Australia </div>
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<blockquote>On 5 May 2023, at 7:49 pm, Kees Oudesluijs via Healeys <healeys@autox.team.net> wrote:<br /><br /></blockquote>
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<p style="margin: 0px;">In extreme cases you may burn a hole in your pistons.<br />Kees</p>
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<div class="moz-cite-prefix">Op 4-5-2023 om 21:58 schreef josef-eckert--- via Healeys:</div>
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<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>
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<p style="margin: 0px;"><span style="font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000; text-decoration: none;">Josef</span></p>
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<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"><boyracer466@gmail.com></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"><josef-eckert@t-online.de></a></p>
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<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.
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<div class="">Richard Mayor
<div class=""><a class="moz-txt-link-freetext" href="mailto:boyracer466@gmail.com">boyracer466@gmail.com</a><br class="" /><br class="" /></div>
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<div class="">On May 4, 2023, at 4:43 AM, josef-eckert--- via Healeys <<a class="moz-txt-link-freetext" href="mailto:healeys@autox.team.net">healeys@autox.team.net</a>> wrote:</div>
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<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>
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<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">simon.lachlan@alexarevel.plus.com</a>" <<a class="moz-txt-link-freetext" href="mailto:simon.lachlan@alexarevel.plus.com">simon.lachlan@alexarevel.plus.com</a>></div>
<div class="" style="margin: 0px;">An: "<a class="moz-txt-link-freetext" href="mailto:josef-eckert@t-online.de">josef-eckert@t-online.de</a>" <<a class="moz-txt-link-freetext" href="mailto:josef-eckert@t-online.de">josef-eckert@t-online.de</a>></div>
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<p class="MsoNormal"><span class="" style="mso-fareast-language: EN-US;">Thanks for that. I’ll certainly bear it in mind. Likewise, I’ll keep a close eye on my engine’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, I’ll keep an eye on it.</span></p>
<p class="MsoNormal"><span class="" style="mso-fareast-language: EN-US;">Someone mentioned that he used “Iridium” plugs from NGK. I googled them….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>
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<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">josef-eckert@t-online.de</a> <<a class="moz-txt-link-freetext" href="mailto:josef-eckert@t-online.de">josef-eckert@t-online.de</a>> <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">simon.lachlan@alexarevel.plus.com</a>; Healey, Forum <<a class="moz-txt-link-freetext" href="mailto:healeys@autox.team.net">healeys@autox.team.net</a>><br class="" /><strong class="">Subject:</strong> AW: [Healeys] Spark plug gap</span></p>
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<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>
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<div class="" style="margin: 0px;"><span class="" style="font-size: 10pt; font-family: Arial, sans-serif;">Josef</span></div>
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<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">simon.lachlan@alexarevel.plus.com</a>" <<a class="moz-txt-link-freetext" href="mailto:simon.lachlan@alexarevel.plus.com">simon.lachlan@alexarevel.plus.com</a>></div>
<div class="" style="margin: 0px;">An: "<a class="moz-txt-link-freetext" href="mailto:josef-eckert@t-online.de">josef-eckert@t-online.de</a>" <<a class="moz-txt-link-freetext" href="mailto:josef-eckert@t-online.de">josef-eckert@t-online.de</a>></div>
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<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 car’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 0.024” to 0.026” and that was some 60+ years ago. I’ve always been told that Champion plugs aren’t the best in the world and I’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, I’ll keep an eye on them. I’m a pretty tame driver so there won’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>
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<p class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><strong class=""><span class="" lang="EN-US" style="font-size: 9pt; font-family: Arial, sans-serif;">From:</span></strong><span class="" lang="EN-US" style="font-size: 9pt; font-family: Arial, sans-serif;"> <a class="moz-txt-link-freetext" href="mailto:josef-eckert@t-online.de">josef-eckert@t-online.de</a> <<a class="moz-txt-link-freetext" href="mailto:josef-eckert@t-online.de">josef-eckert@t-online.de</a>> <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">simon.lachlan@alexarevel.plus.com</a>; <a class="moz-txt-link-freetext" href="mailto:healeys@autox.team.net">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>
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<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>
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<div class="" style="margin: 0px;"><span class="" style="font-size: 10pt; font-family: Arial, sans-serif;">Josef </span></div>
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<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" <<a class="moz-txt-link-freetext" href="mailto:healeys@autox.team.net">healeys@autox.team.net</a>></span></div>
<div class="" style="margin: 0px;"><span class="" style="font-size: 9pt; font-family: Arial, sans-serif;">An: "'Healeys'" <<a class="moz-txt-link-freetext" href="mailto:healeys@autox.team.net">healeys@autox.team.net</a>></span></div>
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<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 “Sports” coil and a 123Ignition distributor. DW fast road cam…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 “recommended”, the rolling road guys told me to set the plugs at 0.028” and pooh-poohed anything bigger when I suggested that I’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 0.032”. 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 it’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 boasting…just putting that out there in case anyone else is thinking of going up a few thou…..</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 0.040”. 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>
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