Quadra Jet carb ID plz?

Some info:

http://www.chevelles.com/forums/showthread.php?t=297789

http://home.earthlink.net/~quadrajets/quadrajet_airflow_ratings.htm

http://www.recarbco.com/technical/rochester/qjet.html

http://www.cliffshighperformance.com/tech_carb_ID_2.html