Thread: NGK copper spark plugs
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Old Dec 23, 2002 | 01:20 PM
  #3  
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inspyral
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Joined: Sep 2000
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From: San Jo, Cali
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Your OEM plugs should be NGK coppers. Yes, they work fine. Platinum is a poor conductor and is more suited for longevity. Just run NGK coppers, and change them when they need to be changed.
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