If you put an air dam under the Radiator core support it will create a low pressure on the engine side of the radiator & it will help keep things cool when driving. lots of newer cars have them that have electric fans, I have one like this off a 3rd gen Camaro that I cut down on my 68 Charger. my 512 cid with COLD AC runs 185ish ALL DAY long in 108 deg Southeast Texas heat

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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