I'm with Dave on this one. Patch any bad spots by welding and grinding it to the original shape. This crossmember needs to be held in place with great accuracy and very solidly. They are held in place by rivets. This method of attachment is difficult to duplicate with accuracy and rigidity.
Carl

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission