I am doing a 74. Nice to see a man of your taste pick up one of the less popular years. I have been thinking about a set of these for around town wheels:
http://www.amazon.com/US-Mags-Machin.../dp/B00B42T18A. I would probably get the rears widened. I am going to have to mock the car up and see if they will work with the C6 subframe though. I need 18's for my brakes.