How much weight can you shave off of an A-Body...and still have it look/drive like an A-Body?

My 71 Dart is now about 2,920 without me....

408 with alum heads and air gap
QF alum carb
only 2 lightweight buckets, no backseat
caltracs with stock leafs
stock front suspension
glass hood
Billet Specialties Street Lite wheels
manual steering
alum radiator
drums on back, wilwood discs on front
TTI headers and 3" duals to the bumper
steel bumpers
8 3/4
no cage yet
and a 904