Radiator

Hi everyone. Im getting ready to purchase a radiator for my 72 duster 340 rebuild. I"ve done about all the research I can look up on radiators. its a non ac car. Can anyone recommend should I go aluminum or copper/brass original. 3 core or 4 core. I believe the original was a 17x22

Thanks.
I went with the cold case aluminum 3 core with the 2 electric fans and shroud from them also I am very happy with my set up