c6 m6 procharger pulley size

[lynnb]

i have a c6 m6 with borla stingers and p1 procharger car makes 510rwhp with 447 ft lbs of torque with 6lbs of boost 4.5 pulley,anyone know what size pulley i needed to make 9 to 10 lbs of boost? and what my rwhp should be on 10lbs?thanks for any information.

[LJo]

If you are wanting 4 more psi, you will need a 4.10" pulley. Procharger part# is DP410I-06D