How's it going everyone?

My name is Ben...I have had a 74 Duster for a couple years now and fixing to finally get started into making it into my dream car. I'll take any advice possible with an open mind. Looking for a 360 possibly but open to suggestions on engine type. It has a 225 slant six right now but want more power and aggressiveness in the car. What does everyone think of making it have a cowl hood? Thanks for the add and hit me up...glad to meet new people.