Scott, this should give you a good idea what your new combo could do.

552 RWHP@5500 and 580 RWTQ @4500 With 14 PSI and 93 octane gas.

Combo is :
Stock block, speed pro pistons,Flycut ARP bolts but all else is stock.
Old style ported Winsor Sr
E-cam
TFS R intake
70 mm TB
T-76 P-trim with a .81 A/R
Procharger 2 core intercooler..(probably alittle small)
3 inch down pipe.
SDS DFI
95lbs INJ.
ETC

The car has all the accesories and does get 15 to 18 MPG.