Any input on this carb?

The 750 Dominator is a DOMINATOR. It's not an "HP in disguise". It is a frikkin DOMINATOR. Without expensive tuning, including maching for restrictors and the like, they will be too rich for most street cars. Here. Go argue with Car Craft Magazine.

http://www.carcraft.com/techarticles/ccrp_0603_run_a_dominator_on_the_street/index.html