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Pretty much every oem performance car used iridium, especially turboed ones. Pretty much every tuner will recommend iridium for a FI Z. Copper is better if you like changing plugs
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#12 (permalink) |
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A True Z Fanatic
![]() Join Date: Nov 2011
Location: Houston
Posts: 12,265
Drives: 2011 370ztt
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Pretty much every oem performance car used iridium, especially turboed ones. Pretty much every tuner will recommend iridium for a FI Z. Copper is better if you like changing plugs every 10k in a boosted application. Buy the gtr plugs and go on about your day.
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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent |
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