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sparkplug wire size

  #1  
Old 12-24-2007, 12:01 PM
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Join Date: Oct 2005
Location: southern california
Posts: 955
Default sparkplug wire size

i need some new sparkplug wires and im looking into some ngk's.
but they come in 7 and 8 mm. what's the difference?
 
  #2  
Old 12-24-2007, 12:19 PM
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Join Date: Feb 2006
Location: Montana
Posts: 6,290
Default RE: sparkplug wire size

larger size is usually a bit less resistance and gives a hotter and/or more consistant spark. From some previous threads I've seen I believe that in tests honda OEM plug wires actually out performed all the aftermarket ones (except Nology I believe...)
 
  #3  
Old 12-24-2007, 05:17 PM
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Join Date: Nov 2007
Posts: 47
Default RE: sparkplug wire size

OEM Sumitomo's are 7MM in size.. They perform like NGK no doubt about that.
 
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