JTrujillo

Can someone give me a recommendation for what type of plugs I should use. My car is a 66 442 with a 455, and has an HEI distributor. Also, what should the gap be? And does heat come into play when selecting plugs?

442Harv

I like the AC Rapid Fires, gap .040

JTrujillo

Thanks 442Harv, I will give em a try.