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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I am finally trying to setup my 91SX-H w/
tuned pipe together with Perry’s VP30 pump.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Current setup is Karl’s header with
a 140 size pipe. Distance from plug to first baffle is 22”. APC
15x8.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The engine idles fine without much
variation on RPM, but going to peak rpm take for a while. At WOT rpm keeps
on increasing slowly from 9400 rpm. But dies out eventually and quit. I
am still confused if the engine is rich or lean since the pump is involved. High
speed needle is about 2 turns out. Idle is at 1 O’clock position. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I went out two days and both days the
engine died at wrong places, landed on two feet tall wheat field resulting in
belly pan damages. No landing gear damage since I still have retracts on
this plane.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Can anyone help me on this? I don’t
want to spend $300 + for a YS 110 since this setup has way more power than
previously used YS91AC. Airframe lost 4.5 oz so far with this
setup. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Going back to workbench for Oxalys 50 to
fly this weekend.<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Ihncheol Park</span></font>cheol Park<br>
<br>
<font color=black face=Arial><span style='font-family:Arial;color:black'><o:p></o:p></span></font></p>
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