A one wire alternator then you can do away with the voltage regulator and have a better electrical system and clean up that mess of wiring on the fender well and have brighter lights and helps with installation of new electrical items such as stereo
Here is an old tech article on the solid state VR swap. Nice for those wanting a stock look. http://mmb.maverick.to/resources/solid-state-voltage-regulator-w-vintage-autolite-cover.173/