best spark plug

[purplescamper]

I have a mildly warmed over 360 in my scamp, I bought a msd ready to run hei distributor/ coil. I was wondering what would be the best plug to use, and what should I gap it at ?

 

[famous bob]

I have a mildly warmed over 360 in my scamp, I bought a msd ready to run hei distributor/ coil. I was wondering what would be the best plug to use, and what should I gap it at ?

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