Thinking about replacing the plugs in my '04 GT2 and remembered hearing someone say a while back something about the platinum and iridium maybe doing some major damage to heads etc.
What is the recommended performance plugs for such a car or should I not worry about which onces I get since my car is not SC or doesn't have a turbo.
I was looking at the PLATINUM IR FUSION BOSCH plugs.
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Grand Prix GT2 2004
ZZP Z7 Turbo Kit 62-1, BC, 42.5# Injectors, LT1 MAF, 160 tstat, A/A IC, BOV, 3" ZZP SS Exhaust /w cutout, GMPP Handling kit
339.2 WHP 358.6 WTQ @ 13 PSI (zzp's mustang dyno)
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