i would know which radiator is correct for a 7 second car ... my engine is 572 nitrous .. if start the pass at 140 degree al is ok finish line at 210 ... if start at 170 ... finish line at 230 .. need new aluminium bigger radiator ? no air from the grille ....

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1970 Cuda 496 street driven 9.22@150
1971 Demon 572 7.82@176
1957 Desoto Adventurer Convertible 345 Hemi
1958 Plymouth Fury Christine
2008 Dodge Ram 1500 Hemi
1970 Dodge ChallengerRT 6pack 4 speed 1 of 135
1968 Dodge Charger RT 4 speed