Spark plug adapter

A friend was talking about buying the model a spark plug adapter and switch to modern plugs. He has the Brumfield head. What are the best plugs to use in this set up. Steve
 
It looks like he mainly communicates with text messages and doesn't typically use complete sentences. He's trying to tell Steve that he should find the man who made his cylinder head and ask him which spark plug adapters to use

Don't get it , what are trying to tell Steve?
 
It looks like he mainly communicates with text messages and doesn't typically use complete sentences. He's trying to tell Steve that he should find the man who made his cylinder head and ask him which spark plug adapters to use

And his name is Larry Brumfield and he normally posts on ahooga.com, but occasionally will post here. It is all about the team effort... Go fordbarn!!
 
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I tried the adapters in my Model A and used NGK BP5E S spark plugs.
I didn't like the performance and switched back to my normal plugs.
 
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