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<DIV><FONT face=Arial size=2>Thank you for the reply, I'm still in the tuning
phase also right now with a OS 91 fx and using the Karl Mueller header and a
macs pipe (1062), I'm running 25% cool power with a 14x10 and 15x10 prop.
</FONT></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=PatternFlyer@msn.com href="mailto:PatternFlyer@msn.com">Ihncheol
Park</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, October 31, 2003 10:42
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> RE: OS 91 engine info</DIV>
<DIV><BR></DIV>
<DIV><SPAN class=676273903-01112003><FONT face=Arial color=#0000ff size=2>Hi,
Scott,</FONT></SPAN></DIV>
<DIV><SPAN class=676273903-01112003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=676273903-01112003><FONT face=Arial color=#0000ff size=2>My
91 SX-H with standard Macs Products' 91FX header and Blue Bird 140 2C pipe
(not available in the states anymore) turns APC 15x8 @ 10250 @21.6" from
glow plug to first baffle. Not all tuned yet. This is with Magnum
#1 or Coolpower 25%. I don't remember which fuel I used when measured
this.</FONT></SPAN></DIV>
<DIV><SPAN class=676273903-01112003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=676273903-01112003><FONT face=Arial color=#0000ff size=2>Hope
this helps,</FONT></SPAN></DIV>
<DIV><SPAN class=676273903-01112003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=676273903-01112003><FONT face=Arial color=#0000ff
size=2>Ihncheol Park</FONT></SPAN></DIV>
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<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B>
discussion-request@nsrca.org [mailto:discussion-request@nsrca.org]<B>On
Behalf Of </B>Scott Anderson<BR><B>Sent:</B> Thursday, October 30, 2003 4:56
AM<BR><B>To:</B> discussion@nsrca.org<BR><B>Subject:</B> OS 91 engine
info<BR><BR></FONT></DIV>
<DIV><FONT face=Arial size=2>Good Morning,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I see that there was some info being kicked
around about the os91 2 stroke engine with props and a head shim, but what
is the pipe length to first baffle from glow plug ( straight line).
</FONT></DIV>
<DIV><FONT face=Arial size=2>Thanks..</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial
size=2>scott</FONT></DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>