Run a Chuck Nyutten modified 750(900+ cfm) on my 3300#Cuda for a long time, and loved it.
.030 over 440, iron heads@11/1 .650 lift Comp Cams Flat tappet and 2" headers.
Slightly more mph if I used a 1050 Dominator, but liked the higher torque and wheelstands, with the small carb.
10.70@123