Cam selection help please

Here is what I know about this motor. Previous owner states 9.0-1. I know factory 452 heads were approx. 88 cc chamber volume. These heads were milled 0.060" which from what I have read puts chamber volume now at around 74-75cc. Pistons are stock and have no valve reliefs. Steel shim head gaskets were used, not "thick" gaskets. Pistons are in the hole .090". I've read info in several articles regarding similar builds with same milled heads and stock pistons, and they all claim around 9.0-1 compression, but all I can go by are what I've read and what you guys are telling me on here, since I didn't build the motor myself. I do run 4.10 gears and currently have 2400 Stall, which I fully expect to and can easily replace if I have to. Also I've found several companies that make a single spring that will match the Comp XE 275 HL, so I would not have to machine the guides. Hope this helps. And again, this is all in a '74 Dart, no rear seat, battery in trunk.