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Wet or dry fouling, Steve?<br>
<br>
Mike M<br>
<br>
<div class="moz-cite-prefix">On 6/23/2019 6:29 PM, Szakaluk wrote:<br>
</div>
<blockquote cite="mid:255144003.833713.1561328971680@mail.yahoo.com"
type="cite">
<div
style="font-size:12pt;font-family:arial,helvetica,sans-serif;color:black;">Request
advice or suggestions on what I can do to reduce fouling on #4
spark plug on my 1951 Ferguson TO-20, here or to me direct.
<div><br>
</div>
<div>I've had it since 1990, only use it 8 or 10 hours a year.
Field mowing, snow removal, wood splitting (auger).</div>
<div><br>
</div>
<div>Using 10W30 oil, Champion D21 plugs, which I understand is
a hot plug for this application.</div>
<div><br>
</div>
<div>At first, I could go twenty or 25 hours between plug
fouling/cleaning. Only #4 is a problem, others are fine.
Using very little oil.<br>
</div>
<div><br>
</div>
<div>Now I need to clean #4 every six or seven hours.</div>
<div><br>
</div>
<div>Appreciate your suggestions on how I can reduce this
issue. I know someday the engine should be worked on, but
with this limited annual use I can't justify tearing it down.</div>
<div><br>
</div>
<div>Heavier oil?</div>
<div>Different plugs? If so, on all cylinders, or just #4?</div>
<div>Oil additives?</div>
<div>Other thoughts?</div>
<div><br>
</div>
<div>Thanks in advance</div>
<div><br>
</div>
<div>Steve Zakaluk</div>
<div><a class="moz-txt-link-abbreviated" href="mailto:szakaluk@aol.com">szakaluk@aol.com</a></div>
<div>Falcon, CO</div>
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