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John, I'm also a little curious about why the plugs have heat and
carbon marks so far up the threads, were the plugs tightened
correctly or loose? In regard to the colour, what fuel are you
using, in that I have no experience in regards to the effect on plug
colour when ethanol boosted or based fuels are used. Perhaps others
on the list will know.<br>
Cheers<br>
Larry Varley<br>
<br>
<br>
<div class="moz-cite-prefix">On 26/04/2015 12:09 PM, John Spaur
wrote:<br>
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<p class="MsoNormal">I just pulled my spark plugs to check the
gap and color. After 4000 miles I think they are great. I did
not have to clean or gap them.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The color was the same on all plugs which
is a first for me, even for the ’62 BT7 I had owned in high
school and college and now for my restored one.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">John<o:p></o:p></p>
<p class="MsoNormal">’62 BT7 <o:p></o:p></p>
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