I dont think you know the cost of re-coring. I could buy two all aluminum rads for the cost of re-coring this one. The one I got is a direct fit.
I wont be going to the yard after all. By some wild stroke of luck, I actually found a shroud in my pile yesterday. Its an inch off on the height and not deep enough but fan hole size is right on and I can fix the rest with fiberglass.
I modified one to make it deeper by using a strip of metal wrapped around the round part to extend it