1974 Duster restore or not

Hi everyone this is my first Mopar it's a 74 Duster with a slant six that is bad, I have a new short block that I found at a yard sale for $50. I also bought a new interior for it. My question is how far should I go with this car? There is no body rot on the car except on the left corner of the dash board. I love the body style but I also love the V8's. I was going to put Clifford performance parts on it but that's another $1000. Should I just put the engine that I have now and sell it and save for the Duster that I want or make this the car of my dreams. I have about $2800 in it already. Any advice would be appreciated. Sorry the last pic is not my car.