Time to buy a radiator for my 440 Dart

I went with a Champion 4 Row. Had to drill 2 driver side holes, as they didn't match the factory holes. Other than that, the radiator has been working flawlessly with a 16" Spal electric fan (also sourced through Champion).

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OK , lets beat this up some more . Are you running big or small block and whats the P/N on your radiator. I'm looking at the Champion/ Eagle AE2375 I have a Taurus fan. i'm running a BB about 550/600 HP. I've read so much I'm getting gun shy . I want to stay with 22"