Ported 452 or Edelbrock RPM

Here is an update. I still have steel shim gaskets and no leaks. I cant say any bad workd about this choice.
I finally was able to put the car on the dyno. I already posted it elswehere, but its good info for this thread as well, so: 641bhp and 920Nm(678ftlb) on chasis dyno. More info and dyno chart here:
Flat tappet to solid roller...