TwinTurbo.NET: Nissan 300ZX forum - Re: Question concerning OEM vs "colder" plugs
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Subject Re: Question concerning OEM vs "colder" plugs
     
Posted by Jehannum on December 21, 2009 at 2:50 PM
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In Reply To Question concerning OEM vs "colder" plugs posted by LJZTT on December 20, 2009 at 07:25 PM
     
Message You're trading heat rejection for plug life.

The "hotter" a plug, the less likely it is to foul, but the more prone it is to becoming a detonation-causing hot-spot in the combustion chamber.

FWIW, I run NGK iridiums in the 8 heat range. If I were out buying plugs again, I'd probably run 7s because hot starts are an issue with the 8s. Lining them up next to the old ones (7 range NGK platinums), they're a tiny bit shorter.

Your powers are useless! I'm wearing my tinfoil underwear!

     
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