I cannot give you any advice about if that cam will be any good or not but here is what I used.
Have you called a Lunati, Comp, Isky's tech lines? They were extremely helpful for me. I got a douche sometimes, but I'd just call back or another company until I talked to someone that was helpful.
Specs:
1964 Chevy II. SBC, Alum. heads, Hyd Flat Cam (276/284, .474/.474 lift, 110 lsa), 1.5rr, BG 750, air gap intake, flowmasters, Richmond 5 spd, Halibrand 5 spokes, static drop
What it sounds like:
http://youtu.be/l3NOohR9LPk