Viper engine and transmission in my 1974 Dart Swinger

Hey guys, been working a lot at the power plant and trying to save monry for that Viper engine. I decided that I'm 100% in to build this car with the 3rd gen 500hp with the 6 speed. I've got a lot of the number and dimensions together and decided that without even cutting into anything I will need to get the engine bought (7,000 at least) and the new suspension($2200-$4400), so bare with me on the wait for updates. I want this car to handle and I want it to be fast. I will post some pics of the car in a new thread and title it with Viper barracuda so anyone interested can keep an eye out. Thanks and looking forward to starting!