Thread: PLUG GAP
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Old 09-13-2010, 03:11 AM
  #14  
rich970
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Join Date: Aug 2005
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what plugs for indy 440-1 with 15 to 1 comp. could i use ngk R5672A - 9 OR 10 or stay with the R5672A- 9 or 10 thanks Rich
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