Blocks and internals the same?

Will just stay with the 360 valves for now, when he starts spending his $ on it we can do what ever he can afford. I have 2 projects of my own right now, 65 coronet and a 72 demon that will be my race car. On top of that he wants to change the color of the 74 duster. So just a basic performance build right now, either a 360 or a big block later. I have a few setting around out of the old c bodies I bought up years ago.