Send him the rotted out floor braces-
You chose not to inspect and now its your car- you took a man at his word, but really why should you expect him to stand behind it? Did you check is reputation? Do any online searches?
I just bought a car sight unseen after EXTENSIVE web research. I built a huge file on the seller, and made a deal that offered me full protection on receipt of the car- and guess what? It was exactly what he said it was. And if it hadnt have been I had everything I needed to go after him.
Its your car now, bond with it, enjoy it, fix whats wrong and don't let it trigger bad memories- and take those rotted floor braces out and ship them to him. After all they are good and he can resell to someone else right
Scorp