[Naumoff]

Are you running Alloy or Cast Iron heads?

Cast Iron for Street/strip
Motorcraft BF-32
Autolite 35 or 34
Champion F-11YC or F-9YC
Accel 378

Aluminum Edelbrock
Motorcraft AGSP-33C
Autolite 3926
Champion RC-12YC
Accel 416

Gap Electronic 44
Point type 35

Hope this helps. This is for street and strip if you go full comp use a colder plug and a smaller gap.