Spark Plugs for Slant Six?

slantsixdan said

I'm trying to imagine how and why a big cam would want small plug gaps. I'm failing.

Ignition timing (basic and advance curves) will have to be a matter of tuning and driving, tuning and driving, tuning and driving.

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Once she is back on the ground, I will fiddle with the plugs and the timing. Ill probably go with .030 to start (cuz it was running ok before with that gap) and adjust from there. I will certainly get the NGK plugs you recommended though.

Thank you Dan