if i purchase a strut tower brace for my tpi now will it fit still when i dro pmy 350 in my car in early summer? also would i be able to re use my TPI intake on the new engine? if so what would i needto buy to ake it fit??????

Used the same Hotchkis STB from my old 305 to the new 350. see picture.

it will fit fine.

the basic diminsions are the same on you 305 and the 350, a small block is a small block.

STB picture.

edelbrock makes a good three point strut tower brace..