I had the car dynoed and tuned by a company called CMS in Lake Elsinor Ca.
Its a NA car right now, I have procharger sitting in the box at home and im thinking about putting together a nice 402 for it When i get back from Iraq that is. Mods to follow:

1999 C5 6 Speed
Comp Cam 232/234 595/598 @ 112LSA
Dart 225 Heads Milled to 59cc
Ported 92 Fast Intake
92mm Throttle Body
American Racing 1 7\8 Long Tubes
3 inch exhaust fabbed and built by CMS
Underdrive Pulley

It made 457 wrhp NA and 415 wrtq. I cant wait to come home from this tour and drive her!!!