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Old 06-12-2010, 08:35 PM
  #5  
spaceworm
 
Join Date: Mar 2009
Location: Guilford, CT
Posts: 3,950
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Default RE: Plug gap

I am thinking it is because you have a bigger spark with a larger plug gap that you want .025 inch instead of .019 or.022. Right? But what is the problem if the engine runs better (read OK) at a plug gap of .019? Any downsides? Thanks.