I have a 1967 Dodge Dart GT with a 273 4 bbl and 318 heads. I'm upgrading to Petronix Ignitor II electronic ignition and Flame-Thrower II coil.
My question is, what plugs do y'all recommend and what gap?
I am thinking Champion RN12YC set at .040.
My question is, what plugs do y'all recommend and what gap?
I am thinking Champion RN12YC set at .040.