76 dart lite restore or modify?

Hello everyone, nice forum you have here. I have a 76 Dart Lite in the wings, numbers matching , broadcast sheet 4sp. Im thinking im going to put an aluminum big block in it , strenghthen it up , suspension , rear end , brakes. I have to finish my 72 camaro first, i know boooooooooooo, lol. Just would like your opinions, and hopefully you will take it easy on me for i dont know much about building mopars, more about chevies. Lets just say ....... I SEEN THE LITE . Thank you .