Now if you guys seen DSM-Zero's car. he put down 661hp 463tq on je pistons eaglerods. he was running 30 psi. and is bout to turn it up. he is hoping for 700hp. in otherwords still highest recorded horsepower for the 420a plateform. i am good friends with him. he lives near me. and i have seen the car myself. its rediculous. still awaiting track time though. mind me, the car is fully built. alot done. but yes it can be done. check his video out on youtube also. just type in dsm-zero

285 horsepower/269. torque at 11 lbs boost(e-85tuned) stock internals.