70-72 vs 73 cooler lines

Kendog 170 said

IDK but 73 has the spool mount kframe. Maybe it's the way it is routed in that area?

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Now that would make sense. I did remember that the radiator I bought came out of a 71 Dart Swinger. But I doubt that would be different than a 73 Scamp V8 radiator as far as where the lines mount. The K frame makes more sense.