Issues with painting the radiator? No, paint still on mine. You have the updated tanks which are nicer. I also use and standard type radiator cap (again trying to look more stock than modded). 513 is still a good number
. Solid roller cam I suppose and heads flow 250+?
67 GTO, 428, Q-Jet, TH400, 3.42, 12.50/107.5, whisper quiet
67 GTO, 400, Q-Jet, M20, 3.23, 14.02/98.7, loud & obnoxious