itll do 350 with 5.5lbs of boost at wheel. i dunno how to convert it to flywheel.
edit: hok you might be right, sorry didnt read his post good enough. some extra goods are not included in my estimate. but i dunno if its enough to bump him to 400whp unless of course he did some internal work. but then again i know nothin about nissan's or their engines.. lol