TwinTurbo.NET: Nissan 300ZX forum - Mine idle perfect with them . Copper is a better
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Subject Mine idle perfect with them . Copper is a better
     
Posted by MikeH(Twin GT35BB Incon Z) on December 31, 2002 at 10:12 AM
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In Reply To NGK ZFR6F-11 Copper Plugs. I put a set in two days ago and posted by AshsZ (FABio) on December 31, 2002 at 07:26 AM
     
Message conducter than platinium. If you are expecting performance gains from plugs then I have ocean front property in Arizona. Spark plug upgrades aren' big HP gainer. I bet your rough idle is from something else. You have a vaccuum leak or running real lean or loose coil plug.

     
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