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Help me choose some spark plugs?

Posted By: moparAL

Help me choose some spark plugs? - 11/25/21 03:28 PM

RB block, Trickflow 240 heads, about 10.5 to 1 CR, roller cam, TTI 1 7/8 headers, 512 stroker kit, CD ignition, fuel injection, 91 octane gas, use mostly street, some street racing, once or twice a year drags and even autocross. What brand of spark plugs and part numbers do you recommend????Thanks everybody.
Posted By: AndyF

Re: Help me choose some spark plugs? - 11/25/21 04:24 PM

NGK 6987 is what I use. It is an OEM plug designed for fuel injected engines with that compression ratio.
https://www.ngk.com/ngk-6987-zfr6f-11g-v-power-spark-plug
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