1969 Barracuda formula S 340-4 speed
Maybe a rust free donor 108 inch wheel base shell for all the lower rusted out areas? I did a full AMD floor in my '69 last year. My floor rusted from the inside out due to water leaks very early in the car's life.
That is a rare car not many of those were built and not many around. Graveyard Carz restored a very rusty '69 383 4 spd Cuda that spent most of its life in NY. They did major rust repair to bring it back.