Switch to disc in rear

OH My ,so sorry for hijacking your thread Originalowner73!! Got carried away when I saw small block 4-speed in the 11's LOL !!

Back to your car.. go aluminium and paint it black for a more original look. That being said, an original 22" with shroud will work just fine.
It had a 26 in now going to bring it to a good radiator shop and see if it's clogged or needs a recore before I dump few hundo or more on aluminum