Fuzion

How will this spool on a stock LS compared to a Sc61, the motor will not be stock for long. i will bore to 83mm maybe or will stock bore be ok if its built. What will the full-boost rpm be ?,......just a figure will help me alot. how will this perform low end-mid-topend compared to a sc61 and a t3-t04e and other htbrid turbos, im looking for 500+whp when my car is done and i dont wana keep changing turbos...i will deal wit the lag for a lil while. so help me out...thanx