Correct plugs for my set up?
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Staging Lane
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Correct plugs for my set up?
Was wondering what plugs would be appropriate for my set up. 402 motor (8.78:1) with 90mm intake, AFR 225 heads (72cc chambers). Had the NGK's on my old set up, but it looks as if this set up will take the gasket seat type plugs and not the tapered ones. Any ideas? Another NGK model with the gasket type seating? Will be running Procharger set up around 10-12 PSI. Thanks.