I had a 69 Cuda that was mini tubbed using aftermarket tubs and springs moved into the frame rails.I ran a 12" wheel and a 12.2x 31.25 Firestone drag tire and it fit.Had to trim the wheel openings and eliminated the lips.
I used a 52" wide Dana.


Nautilus Racing-
We use Superformance gaskets and Turbo Action converters/products.