I have that same radiator WITHOUT the fans, I have a 7 blade mechanical fan, keeps my 512ci 68 Charger with A/C in Southeast Texas heat 180ish all day long.

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5