i can help you, i know more about the 71 Duster, but the 73 should roughly be the same. the only thing that changed between the model years was the front grille and rear brake light. feel free to email me at nate.the.skate@hotmail.com
Hey john john, Welcome to the QnA. Did you know that we are all just plain every day normal people, and that maybe those of us on here right now don't know anything about Plymouth dusters. Hang in there and be patient, because your question will stay on here for four days and hopefully someone can answer your Q. In the mean time please read the Code of Conduct at the bottom of this page, and feel free to look around to familiarize your self with the QnA
will this helphttp://www.google.com/search?q=1973+plymouth+duster&ie=utf-8&oe=utf-8&aq=t&rls=com.google:en-US:official&client=firefox
What do you need to know about it? There's a lot of different areas there and where one person may know a few things someone else may know a few more. i'll help if I can