My Dyno mule, a 426 wedge, 11.8-1 with worked over 516 heads,(the only ones I had ready at the time), a small .520 mechanical cam, an old Torquer intake, 750 Edelbrock carb, and 1-3/4" headers made 464hp@5748rpm and 508.5 ftlbs@4296 rpm.
You should do fine with what you have.