74 440 Duster Radiator fitment question.

I have a 440 with a front plate. I'm working on fitting a coldcase 26in rad with E-fans. For anyone that had done this, what mods did you have to do to the core support?

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on my 73 dart I mounted a summit 27.5x19 aluminum radiator. I didn't have to do any mods to the core support. it was an aluminum 2 core rad. I used an offset 3.8 V6 ford taurus fan.