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Old 03-27-2005 | 09:47 PM
  #21  
delman
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From: Flower Mound, TX
Default RE: New Engine
The 46ax still has the plastic nipple on the needle assy. The 50sx has a metal nipple on the needle valve fitting. enlarge the picture in BigSkyRCer post. The 50sx doesn't have that problem.
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