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Thread: The New Werks B5 .21 Racing Engine
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Old 01-04-2010 | 10:40 AM
  #1105  
Alan D.
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Joined: Dec 2008
Posts: 1,696
From: So Cal
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If you want to stay with O'Donnell pulgs the hottest plug they make is the 77t. 99t is a cold plug.
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