tips on adjustin p s box??

I would find a friend to do so. AbodyJoe hosted several, and the 72 Plymouth one is one of em

What are you using to post here that you can't download? Phone?

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

If you absolutely positively cannot figure out how to download that, post back and I'll see if I can post the relevant pages.

You REALLY need to get yourself a manual. If you can't download or view this one, there are places on the www where you can buy either paper or "on CD," and usually at car shows, there is "some old guy" who has a truck load of manuals.