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Thread: The New Werks B5 .21 Racing Engine
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Old 08-14-2011 | 05:27 PM
  #7538  
jmpn02
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Joined: Dec 2008
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As I started the break in on my B5, I did the 2.5mm air gap and richend up the LS needle as much as I could, but I could not get a smooth steady idle, the engine would pulse, almost like you were bumping the throttle. Is this normal?
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