Yeah it's the same motor as in the ctsv. 550 I think they are rated at. I made 470 on 17 psi and walked one pretty hard from a 1st gear roll.
03 z06 402 iron block and vortec t trim 782whp 650 wtq 8.5 psi
07 335 fbo and meth and rb turbos 470whp 460wtq 17psi 11.7@124 full weight sold.