Thread: 540 bbc spark plugs
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Old 01-05-2010, 06:05 AM
  #5  
hammertime
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RACING JUNKIE
 
Join Date: May 2003
Location: Coldwater, MI
Posts: 2,998
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Get a champion or stay with the autolite, there was a loss in HP just putting the NGK;s in mine ..
seen more ngk's cause a miss then any plug
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