Operation /6 - Where do I begin? Fix it or yank it?

Shop manual:

So far as the "mechanical stuff," you can download a 72 manual from here for free:

(Thank AbodyJoe, not me)

[ame]http://www.abodyjoe.com/pictures/Misc.%20car%20info/1972%20Plymouth%20Chassis%20Serv%20Man.pdf[/ame]

Do NOT go much by the wiring diagrams as 73 and 72 had some differences, but they would be of some help