Are you still running a stock ECU? What is your idle set to? You may find this thread on Tooners to be quite interesting as it is in regards to the stalling issue you are also running into:
http://www.dsmtuners.com/forums/show...0&page=1&pp=25
Also, From what I've been reading (yes reading, not personal experience), the SSG is a great option for a flywheel.