Try searching the site there is about 100 post of a 383 by now. Go HERE
for lots of set ups. There are some set up on there with dart heads.
First thing is what car is this going into?
Rear end? Gear ratio?
Those type of things help find what direction to go in. Your set up will be based on the car and its purpose. Yours being street/strip your going to have a decent cam. heads in the 180-195 cc range to feed the 383. All this will make great power and em...
As for passing the em. test thats pretty simple... For the test put on cats... then when your done with the test swap in the straight pipe. It works like a charm.