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Re: [Healeys] Timing mark

To: healeys@autox.team.net
Subject: Re: [Healeys] Timing mark
From: David P <frogeye@porterscustom.com>
Date: Wed, 24 Apr 2019 07:17:00 -0600
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <000001d4fa98$50dcfd20$f296f760$@alexarevel.plus.com>
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My question is why are you running it a twice the advance the factory 
advises? Excellent way to introduce preignition.

On 4/24/2019 6:21 AM, simon.lachlan@alexarevel.plus.com wrote:
>
> I bought a ProRace Harmonic Balancer a few months back and installed 
> it whilst attending to some other engine chores?.new oil pump, engine 
> mounts, reverting to SUs from Webers etc.
>
> Soooo?.I was given sensible advice to mark the 15° line on the 
> balancer as the markings are virtually invisible once the thing?s 
> installed, let alone spinning at +/- 1,000rpm.
>
> Now for the confession. The car?s not been running brilliantly?.some 
> hesitation, particularly under load, from +/- 4,000 rpm. Leaving out 
> fuel issues for the sake of this discussion, I was thinking about the 
> timing again. And I know that it?s been showing 15° BTDC with my brand 
> new timing light. But I was still not sure so I looked at the photo of 
> my painted timing mark. It shows that I managed to put the paint on 
> the 16mark. Now, 1° isn?t a lot but I can foresee the potential of 
> making it worse when I take up the lamp again.
>
> My question is this. What do I dial into the timing light to account 
> for the mark being 1° out? (If I go the wrong way, I?ll be 2° out).
>
> Thanks,
>
> Simon
>
>
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-- 
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My World 
go here: WWW.PORTERBIKES.COM/


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    <p>My question is why are you running it a twice the advance the
      factory advises? Excellent way to introduce preignition.<br>
    </p>
    <div class="moz-cite-prefix">On 4/24/2019 6:21 AM,
      <a class="moz-txt-link-abbreviated" 
href="mailto:simon.lachlan@alexarevel.plus.com";>simon.lachlan@alexarevel.plus.com</a>
 wrote:<br>
    </div>
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      <div class="WordSection1">
        <p class="MsoNormal">I bought a ProRace Harmonic Balancer a few
          months back and installed it whilst attending to some other
          engine chores?.new oil pump, engine mounts, reverting to SUs
          from Webers etc.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Soooo?.I was given sensible advice to mark
          the 15° line on the balancer as the markings are virtually
          invisible once the thing?s installed, let alone spinning at
          +/- 1,000rpm. <o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Now for the confession. The car?s not been
          running brilliantly?.some hesitation, particularly under load,
          from +/- 4,000 rpm. Leaving out fuel issues for the sake of
          this discussion, I was thinking about the timing again. And I
          know that it?s been showing 15° BTDC with my brand new timing
          light. But I was still not sure so I looked at the photo of my
          painted timing mark. It shows that I managed to put the paint
          on the 16<!--[if gte msEquation 12]><m:oMath><i><span 
style='font-family:"Cambria 
Math",serif'><m:r>°</m:r></span></i></m:oMath><![endif]--><!--[if 
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              style="width:.0555in;height:.1805in" id="_x0000_i1025"
              src="cid:part1.DF82E085.A5817202@porterscustom.com"
              class="" width="5" height="17"></span><!--[endif]--> mark.
          Now, 1° isn?t a lot but I can foresee the potential of making
          it worse when I take up the lamp again. <o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">My question is this. What do I dial into
          the timing light to account for the mark being 1° out? (If I
          go the wrong way, I?ll be 2° out).<o:p></o:p></p>
        <p class="MsoNormal">Thanks,<o:p></o:p></p>
        <p class="MsoNormal">Simon<o:p></o:p></p>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <pre class="moz-quote-pre" 
wrap="">_______________________________________________

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</pre>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My World 
go here: <a class="moz-txt-link-abbreviated" 
href="http://WWW.PORTERBIKES.COM/";>WWW.PORTERBIKES.COM/</a></pre>
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