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Re: [TR] Ring gaps

To: Andrew Uprichard <auprichard@uprichard.net>, triumphs@autox.team.net
Subject: Re: [TR] Ring gaps
From: David Porter <frogeye@porterscustom.com>
Date: Fri, 12 Feb 2016 15:11:26 -0700
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <00a401d165d8$b1b92fe0$152b8fa0$@uprichard.net>
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   0.004 per inch of bore..
           DaveP

On 2/12/2016 2:02 PM, Andrew Uprichard wrote:
>
> The manual for the TR3 says the ring gap should be 0.003 ? 0.010.  But 
> I have new pistons and rings marked that the gap should be 0.003 ? 
> 0.004 per inch diameter of the bore.  3 thou sounds awfully tight to 
> me, but what do others think?
>
> On a related subject, a friend has an engine where the ring gap is 
> 0.040.  How much of this could be made up by simply replacing the 
> rings?  Or is there a point at which the only solution is bigger 
> pistons +/- rebore?orter Porter Custom Bicycles 2909 Arno St. NE 
> Albuquerque, NM 87107 505-352-1378 Go HERE: my world www.porterbikes.com/
>

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      0.004 per inch of bore..<br>
              DaveP<br>
    <br>
    <div class="moz-cite-prefix">On 2/12/2016 2:02 PM, Andrew Uprichard
      wrote:<br>
    </div>
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        <p class="MsoNormal">The manual for the TR3 says the ring gap
          should be 0.003 ? 0.010.  But I have new pistons and rings
          marked that the gap should be 0.003 ? 0.004 per inch diameter
          of the bore.  3 thou sounds awfully tight to me, but what do
          others think?<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">On a related subject, a friend has an
          engine where the ring gap is 0.040.  How much of this could be
          made up by simply replacing the rings?  Or is there a point at
          which the only solution is bigger pistons +/- rebore?orter
          Porter Custom Bicycles
          2909 Arno St. NE
          Albuquerque, NM 87107
          505-352-1378
          Go HERE: my world <a class="moz-txt-link-abbreviated" 
href="http://www.porterbikes.com/";>www.porterbikes.com/</a>
        </p>
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