magnum cylinder heads redux

Couldn't sleep and got to thinking. I have a '73 340 I'd like to put in a '70-'71 Dart, or '67-'69 Barracuda. I was thinking of doing the Magnum head swap with the Hughs/Edelbrock FI Airgap intake, and components from a 5.9 Magnum for fuel injection, including a custom programmed PCM. If i ever get arround to doing it, I'd like to do something like what my 340 has now. 9:1 comp, 284/484 MP cam, was a Holley 3310-2, hooker small headers...something like that. Roughly 9.5:1 comp, aluminum Magnum heads ( maybe even the Eddies ) the step or two up injectors, about a 750 CFM throttle body, and that MP cam. How do y'all think that wold perform, with say a 2800-3200 converter and 3.55 gears on 29" tires? Say, about 3200 lbs on the line?

,j