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Old 12-15-2009, 05:40 AM
  #9  
hammertime
Senior Member
RACING JUNKIE
 
Join Date: May 2003
Location: Coldwater, MI
Posts: 2,998
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I wish I had a pic of mine, they were smoothed before, it pulled one heli-coil out so I pulled the heads off and had inserts put into them right in the port ... the difference on the track and dyno ... ZERO ...
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