NGK coppers or a step colder if needed otherwise Iridiums if you have a bigger turbo on pump especially with meth. (tend to foul plugs faster)
I got 30+ thousand miles of my NGK Iridiums spraying over 800cc of 100% meth and 28psi.
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Drunmann Tuning's Scoob: 2.55 liter-6spd swapped Bugeye, fully built w/280 cams and a rotated Precision-6266
DD: 2010 MazdaSpeed3: Fully bolted and tuned
Drift Missile: S13 DOHC swap, welded diff = slidetastic
Bicycle: Kawi 636R.
