Thread: what are best plugs to use??????????
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Old 07-01-2009, 04:42 AM
  #12  
hammertime
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RACING JUNKIE
 
Join Date: May 2003
Location: Coldwater, MI
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I did a test a few years back autolites, ngk's, accel, champions

On my 548/alky carb the ngk's were flat SLOW compared to the others.
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