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Which spark plugs to get?

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  • #1

    Which spark plugs to get?

    I am new to this NA thing. I always ran zex triple prongs in my other car (Turbo). I don't know what's good, what's bad. I heard that the 4 prong plugs aren't very good for NA's though. Like the bosch platinum.

    I'm interested in the NGK's. Which is the best for a ported head, header, and cammed LT1?? Thanks.
    97 Chevy 'Raro Z28 M6- Ported & Polished LT1 heads,beehives,1.6/1.94 valves, 226/231 custom cam,K&N FIPK, 94-95 BBK shorty's,ORY,Magnaflow Catback,no cats,BMR LCA Relocation Brackets,Lower Control Arms,Adjustable Panhard Bar,Eibach Pro Kit,SPEC Stage 1,Walbro 255 Fuel Pump,30LB Injectors,Pro 5.0,Short stick,MSD 8.5's,NGK TR55's,LT4KM

    01 Honda CBR600 F4i-Two bro's,Corbins,SS brake lines

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  • #2
    NGK TR-55's as long as you are under 11.5:1 static compression ratio and no N20. If you plan on going with N20 down the road, you may want to then consider a colder plug.

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    • #3
      Thanks Kevin.
      97 Chevy 'Raro Z28 M6- Ported & Polished LT1 heads,beehives,1.6/1.94 valves, 226/231 custom cam,K&N FIPK, 94-95 BBK shorty's,ORY,Magnaflow Catback,no cats,BMR LCA Relocation Brackets,Lower Control Arms,Adjustable Panhard Bar,Eibach Pro Kit,SPEC Stage 1,Walbro 255 Fuel Pump,30LB Injectors,Pro 5.0,Short stick,MSD 8.5's,NGK TR55's,LT4KM

      01 Honda CBR600 F4i-Two bro's,Corbins,SS brake lines

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