i had a drag kit on a gsr motor in a hatch last year and it went 12.9 on street tires...which is quick enoght o fuck with most lightly modded stangs and some vettes. i have hung with a vette with a high 12 second car before. you can get into the 12's on a stock motor with a turbo this size:

http://cheapturbo.stores.yahoo.net/gat357trw48a.html

8lbs of boost and slicks and you are there buddy..have fun