spark plug?
I recently just got a 89 Toyota Supra. My question is what spark plugs do i use, not brand put the specifics of the spark plugs used in the car. Also i was watching PowerBlock and they where talking about using special copper o-rings used to make the spark plugs all go in straight to increase hp and fuel efficinty. I cant find it again. If you guys remember what its called please tell me. Also a good brand will be nice, like ngk, auto light, etc.
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