440 build 500+ hp build

The unknown factor for me is the intake and carbs.

Aside from that, if it had a known good manifold/carb, and 1-7/8ā€ headers.......it should easily be solidly over 500hp.

Headers will be 1 7/8ā€ with 3ā€ exhaust and really small mufflers + electric cutouts.
I will probably dyno it with my Edelbrock Victor intake and 950 double pumper that is sitting on my shelf just to see what is what. The intake that owner wants to use is weird but Iā€™m curious how it comes out.