Thanks guys. To Answer a few...

YES, You can use the stock ECU and tune it just like you would the normal 3.2... the difference being you have more air and more fuel to play with. The 3.7 comes with the larger fuel injectors from the V8.

I actually have an engine stand... it's currently cradling a diesel engine...

This will bolt directly to a 6-speed with the only mod (for auto or stick) is you have to tap in two trans cooler line brackets ... takes about 20 sec. and swap over the entire engine wiring harness from your Crossfire.

Here's her second start up: