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Old 11-29-2013, 08:07 PM
  #23  
GallopingGhostler
 
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Join Date: Oct 2004
Location: Clovis, NM
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A little off topic but related. A YS muffler worked for me to quiet an old, Testor Series 21 .40 Black Head CL engine without significant power loss. Combination is a little heavy, but on the right CL plane (preferably a pre-1950's ignition CL) should work really fine.

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