Sorry it's radiators again

please forgive me for posting about radiators again I'm a 60 year old fart having trouble searching. 1968 Dodge Dart was 6 converting to 8. 390 horse 360 do not want electric fans I trust you guys comments Maybe you could recommended radiator and fan shroud to keep about 420 horse cool. No AC would like transmission cooler built-in. would greatly appreciate any of your recommendations. I am new to Mopar also not much money thanks again.[/QUOTE