F-12 spark plugs

[Seth Boyer]

What Autolite plug do you guys recomend to use in an F-12?

If it makes any difference this has a F-14 head, high compression pistons at 3 1/4" bore.

 

[Oldiron29]

Seth, I have used champion w-20 witch cross to
autolite 3076 oldiron29

 

[F-Dean]

I prefer Autolite 3077 in my F-20s and are using them in my W-12 which we recently finished.

 

[wacp]

I use autolite 3077 in my f12