I'm going to run a triple SU carb set-up, an Offy valve cover that Leanna made look killer and 6 into 2 headers in a rebuilt and upgraded slant in my 65 Dart wagon. That ought to take care of the looking good under the hood with some motivation power and a decent sound as well. Your mileage will vary on what you do.
I've got another slant that will get a similar treatment but with triple Webers