Welcome aboard! The floor panels for the most part can be obtained, some pics to view would be great. Not sure if you mean the front of the leaf springs, but yes there is a bracket that has 3 bolts in to j-nuts slipped on to the rear frame rail.
I believe WQ is the code for a manual (4 spd) HO 400 engine..if so good find. Others may elaborate...I'm at the office.
Post some pics (you will need a photo host site for that)..love to see em.
