Dang dude. What the heck difference does that make? Do you know what a real 350 HP fells like? Would you know the difference between that and 400?
You've already been given drag strip results. That's WAY more info than dyno results. The Hughes cams work but they are not a magic "make more power than any other cam" cam.
If you are THAT concerned with horse power, why are you even messin around with a small block anyway? If you are looking for every single 1/2 horse power you can find, you should be building a blown and injected nitro snortin Hemi.