Is the profec toasted??maybe try a manual boost controller or just hook the line right to the wastegate for a few days to see if thats the problem.
----------------------------------------I used to have a 420A...'92 TSi AWD11.8 @ 119mph470awhp 405 ft/lb torque30psi on E85 w/ Borg Warner S256 TurboMy DSM Registry: http://www.dsmregistry.com/166