What is wrong with this radiator support...

Well crap look at this.... NOS.... It was moved in for a narrower radiator I am almost sure now. Also the cut off wheel marks did not remove any metal they were just likely damage getting the spot welds off, as the NOS has a square corner there as well.

NOS MOPAR 1963,1964 Plymouth Valiant Radiator Yoke Side Panel Left | eBay