Power Valve Selection

carfreak6970 said
70 charger, 440, 727, 3.55 rear. The cam is the Comp Cams XE274H-10

How much compression?

carfreak6970 said
Now I believe that's how it works - Crank turns twice for one rotation of the dizzy/cam shaft. So 600 rpm at the dizzy would be 1200 at the crank. I also believe that works the same for the degs of timing - 2 degs at the dizzy would be 4 degrees witnessed at the crank]

Yes. Distributor timing x 2 = Crank timing. Same with distributor rpm. Distributor is same as cam, but half crank.

carfreak6970 said
the initial timing is at 14 deg btdc (vac advance connected to ported not manifold vacuum) with a total mechanical advance of 11 (22 at crank) coming in at 2700 rpm (5400 engine rpm) for a total mechanical of 36 with the vacuum canister adding up to 3 degs (6 at crank) at 9-12 inHg with a total of 8 deg (16 deg at crank) at 18 inHg

Good start.

The question is what is happening in between.
See here for a factory A134 non-smog high performance 440.
On your combo, assuming nothing out of ordinary on the compression or heads, I'd suggest 16 to 18* initial. Something around 22 to 24 degrees by 1400 rpm, and then very slowly advance to 38 at 5400.

You can see in the link that a 440 with factory intake etc will use a little more vacuum advance than you have dialed in.