68 4-door "Sleeper"
They wont control the factory trans, but damn, yo gonna hafta do a whole latta cutting to get that trans to fit. I have both in my garage, the hemi trans is way bigger and heavier. You would be better off installing a 518 or 727 trans instead. As a matter of fact, you could buy the EZ EFI (self tuning, really!), MSD, a 4bbl intake, and a 727 trans for the price of the mopar EFI system. And you wont have to chop the tunnel, crossmember, etc.
You can get a intake through XV, Indy, Mopar, and Edelbrock. The Indy and XV seem to be the best.
Fast
http://www.fuelairspark.com/
MSD
http://www.msdignition.com/Products/RPM/Timing_Controls/RPM_Controls/6_HEMI_Ignition_Controller.aspx