School me on supercharging a 360

If you get a magnum I personally wouldn't mess with the rotating assembly. I know of several people running the stock bottom end in the 15ish psi range no problem. A 5.9l at 15psi with good heads, intake, cam will put you way past the 600 range. On the magnum engines with FI the stock block is the weak point long before the rotating assembly assuming it's tuned properly.