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<p class=MsoNormal><span class=EmailStyle19><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-family:"Times New Roman"'>To
answer this question as to why they are different. Die cast aluminum is blended
with other materials to keep it from cracking. It is not as dense as bar stock
and as such cannot transfer heat as efficiently as metal that has the molecules
closer together. (Bar stock). Try going to this link. They have a simple
explanation that most would understand. <o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle19><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-family:"Times New Roman"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle19><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-family:"Times New Roman"'><a
href="http://www.efunda.com/processes/metal_processing/die_casting.cfm">http://www.efunda.com/processes/metal_processing/die_casting.cfm</a><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle19><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-family:"Times New Roman"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle19><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-family:"Times New Roman"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle19><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-family:"Times New Roman"'>Dennis
Cone<span style="mso-spacerun: yes"> </span><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle19><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-family:"Times New Roman"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=black
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;color:black'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b>
nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org]<b><span style='font-weight:
bold'>On Behalf Of </span></b>Dave Burton<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, March 06, 2006 4:23
PM<br>
<b><span style='font-weight:bold'>To:</span></b> NSRCA Mailing List<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
Shadel piston/liner</span></font><font color=navy><span style='color:navy;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;color:navy'><![if !supportEmptyParas]> <![endif]></span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>I don't know why the
density of a certain aluminum alloy (6061, etc) would be different if die
cast or extruded. It's the same material.</span></font><font color=navy><span
style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>But then again, I'm old
and so is my metallurgy knowledge</span></font><font color=navy><span
style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>Dave Burton</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;
margin-left:1.0in'><font size=2 color=black face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:black'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b>
nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org]<b><span style='font-weight:
bold'>On Behalf Of </span></b>Ed Miller<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, March 06, 2006 7:14
PM<br>
<b><span style='font-weight:bold'>To:</span></b> NSRCA Mailing List<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
Shadel piston/liner</span></font><font color=navy><span style='color:navy;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:1.0in'><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'>I could be wrong but it is my
understanding the machined type heads are made from bar stock, not die cast
material. The greater density of the bar stock material should transfer
heat more efficiently than a die cast piece. It is true in racing applications
one used to polish the piston tops and combustion chamber to aid in maintaining
heat in the combustion chamber ( now there are coating for this ) as well as
ward off carbon deposit build up. I think the difference is the ability
for a given material to absorb and transfer heat versus the way a surface
finish radiates heat. </span></font><font color=navy><span style='color:navy;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:1.0in'><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'>Ed M.</span></font><font color=navy><span
style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:75.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>-----
Original Message ----- </span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>
<div style='font-color:black'>From:</span></font></b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'> <a
href="mailto:burtona@bellsouth.net" title="burtona@bellsouth.net">Dave Burton</a>
</span></font></div>
<font color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><![if !supportEmptyParas]> <![endif]></span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:75.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>To:</span></font></b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black'> <a
href="mailto:nsrca-discussion@lists.nsrca.org"
title="nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</a> </span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:75.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>Sent:</span></font></b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black'> Monday, March 06, 2006
5:49 PM</span></font><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:75.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>Subject:</span></font></b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'> Re:
[NSRCA-discussion] OS Shadel piston/liner</span></font><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:75.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;color:navy'><![if !supportEmptyParas]> <![endif]></span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:75.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=blue
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:blue'>I'm
curious too Bill. Then same material should have the same heat
characteristics. Surface irregularities from casting should have more
effective surface area for greater heat loss.</span></font><font color=navy><span
style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:75.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=blue
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:blue'>Of
course my thermo and metallurgy courses were a long time ago.</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:75.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=blue
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:blue'>Dave
Burton</span></font><font color=navy><span style='color:navy;mso-color-alt:
windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;
margin-left:111.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=black
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;color:black'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> <a
href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>
[mailto:nsrca-discussion-bounces@lists.nsrca.org]<b><span style='font-weight:
bold'>On Behalf Of </span></b>Bill Glaze<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, March 06, 2006 4:42
PM<br>
<b><span style='font-weight:bold'>To:</span></b> NSRCA Mailing List<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
Shadel piston/liner</span></font><font color=navy><span style='color:navy;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:111.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>Ed:</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:111.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>Just
wondered why the machined head would show better heat dissipation. We
were always taught that an as-cast surface showed better heat dissipation
because of the greater developed surface area. In fact, the "bad
example" was the buffed and polished surface. It showed terrible
heat characteristics. (Unless, of course, you were looking for heat
retention.) The above assumes, of course, that the materials involved
were similar or exactly the same. Not quarreling, just curious. </span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:111.75pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>Bill
Glaze</span></font><font color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:115.5pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>-----
Original Message ----- </span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>
<div style='font-color:black'>From:</span></font></b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'> <a
href="mailto:edbon85@charter.net" title="edbon85@charter.net">Ed Miller</a> </span></font></div>
<font color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><![if !supportEmptyParas]> <![endif]></span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:115.5pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>To:</span></font></b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black'> <a
href="mailto:nsrca-discussion@lists.nsrca.org"
title="nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</a> </span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:115.5pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>Sent:</span></font></b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black'> Monday, March 06, 2006
4:14 PM</span></font><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:115.5pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>Subject:</span></font></b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'> Re:
[NSRCA-discussion] OS Shadel piston/liner</span></font><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:115.5pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;color:navy'><![if !supportEmptyParas]> <![endif]></span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:115.5pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'>I'm not sure
how one plug going out would cause the engine to go lean. At best having
2 plugs would cause the point of combustion to be a bit earlier OR ( what I believe
) would cause a slightly more efficient burn of the compressed air fuel
mixture. Having 2 plugs also may ward off a sudden engine failure due to a
blown glow plug. The real advantage in my book of the Mintor head is it
is made from bar stock, not cast and therefore has a better thermal efficiency,
it sheds the head of combustion quicker and better than the cast head.
The lighter weight and second plug which may improve mid range are just a
bonus. If I look back at older OS and YS engines, the more "high
performance" versions of the same engine had machined bar stock heads. For
example the YS61AR and the YS 61R, the AR having besides other improvements a
machined bar stock head versus the 61R die cast head. </span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:115.5pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'>Ed M.</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>-----
Original Message ----- </span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>
<div style='font-color:black'>From:</span></font></b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'> <a
href="mailto:pattern4u@comcast.net" title="pattern4u@comcast.net">Grow Pattern</a>
</span></font></div>
<font color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><![if !supportEmptyParas]> <![endif]></span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>To:</span></font></b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black'> <a
href="mailto:nsrca-discussion@lists.nsrca.org"
title="nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</a> </span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>Sent:</span></font></b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black'> Monday, March 06, 2006
10:42 AM</span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>Subject:</span></font></b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'> Re:
[NSRCA-discussion] OS Shadel piston/liner</span></font><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;color:navy'><![if !supportEmptyParas]> <![endif]></span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>Randy,</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>
Said another way, if you lose a plug on a twin head, the engine goes lean and
usually get very hot :-( </span></font><font color=navy><span
style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'> </span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>Learned
that one the hard way. Using two plugs to fix a rich spot transition on a pipe
IMHO is at best a band-aid. Try it and see for yourself :-)</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'> </span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:119.25pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>Eric.</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>-----
Original Message ----- </span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>
<div style='font-color:black'>From:</span></font></b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'> <a
href="mailto:d.pappas@kodeos.com" title="d.pappas@kodeos.com">Dean Pappas</a> </span></font></div>
<font color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><![if !supportEmptyParas]> <![endif]></span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>To:</span></font></b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black'> <a
href="mailto:randy10926@comtekmail.com" title="randy10926@comtekmail.com">randy10926@comtekmail.com</a>
; <a href="mailto:nsrca-discussion@lists.nsrca.org"
title="nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</a> </span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>Sent:</span></font></b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black'> Monday, March 06, 2006
10:31 AM</span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black;
font-weight:bold'>Subject:</span></font></b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'> Re:
[NSRCA-discussion] OS Shadel piston/liner</span></font><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;color:navy'><![if !supportEmptyParas]> <![endif]></span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=blue
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:blue'>Hi
Randy,</span></font><font color=navy><span style='color:navy;mso-color-alt:
windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=blue
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:blue'>Mintor
parts are available from Aeroslave. </span></font><font color=navy><span
style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=blue
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:blue'>I find
that the twin plug head is not absolutely necessary, but it widens the nneedle
valve sweet-spot: in the rich direction.</span></font><font color=navy><span
style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=blue
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:blue'>Dean</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'> </span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:123.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'>Dean Pappas <br>
Sr. Design Engineer <br>
Kodeos Communications <br>
111 Corporate Blvd. <br>
South Plainfield, N.J. 07080 <br>
(908) 222-7817 phone <br>
(908) 222-2392 fax <br>
<a href="mailto:d.pappas@kodeos.com">d.pappas@kodeos.com</a> </span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
</div>
<div style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;
margin-left:159.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=2 color=black
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;color:black'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> <a
href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>
[mailto:nsrca-discussion-bounces@lists.nsrca.org]<b><span style='font-weight:
bold'>On Behalf Of </span></b>Glenn Hatfield<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, March 06, 2006 9:23
AM<br>
<b><span style='font-weight:bold'>To:</span></b>
nsrca-discussion@lists.nsrca.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
Shadel piston/liner</span></font><font color=navy><span style='color:navy;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:159.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>Where
do you get the mintor head?</span></font><font color=navy face=Arial><span
style='font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:159.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'> </span></font><font
color=navy face=Arial><span style='font-family:Arial;color:navy;mso-color-alt:
windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:159.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>Does
the dual plug really help any?</span></font><font color=navy face=Arial><span
style='font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:159.0pt;border:none;mso-border-left-alt:solid black 1.5pt;
padding:0in;mso-padding-alt:0in 0in 0in 4.0pt'><font size=3 color=black
face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'> </span></font><font
color=navy face=Arial><span style='font-family:Arial;color:navy;mso-color-alt:
windowtext'><o:p></o:p></span></font></p>
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face=Arial><span style='font-size:12.0pt;font-family:Arial;color:black'>Randy</span></font><font
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<br>
--- ronlock@comcast.net wrote:<br>
<br>
From: "Ron Lockhart" <ronlock@comcast.net><br>
To: "NSRCA Mailing List" <nsrca-discussion@lists.nsrca.org><br>
Subject: Re: [NSRCA-discussion] OS Shadel piston/liner<br>
Date: Fri, 3 Mar 2006 17:37:30 -0500</span></font><font color=navy face=Arial><span
style='font-family:Arial;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
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face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'><a
href="http://www.pspec.com/">http://www.pspec.com/</a></span></font><font
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windowtext'><o:p></o:p></span></font></p>
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