The brackets are different for drums and disc brakes. They would be the same for the 1st gen camaros to the 3rd gen Novas.
Here's some pics I took of both set ups.
Disc brake brackets
Here's some on ebay for sale (no affiliation).
http://cgi.ebay.com/ebaymotors/NOVA-SUPE...1QQcmdZViewItem
I might be willing to let the ones I have go also.