Copper/other spark plugs?

The G-Series Tuning Forum is the place to discuss G35/G37 performance modifications and mechanical repair.
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lida
Posts: 18
Joined: Sat Jul 16, 2016 7:26 pm
Car: 2006 Infiniti G35 6MT

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Has anyone tried other spark plugs besides the factory ones? I thought copper plugs were made for performance, but wear faster. I don't mind replacing them more often.

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Starter
Posts: 174
Joined: Tue Aug 16, 2011 12:51 pm
Car: 13 G37X sedan
11 G37S sedan

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You won't get better performance. Use the iridiums.
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ArmedAviator
Posts: 526
Joined: Tue Mar 22, 2016 5:28 pm
Car: 2012 Infiniti M37x
Location: SW Ohio

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Go with factory recommended Iridiums.
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