power predictions

I have a set of stage 2 ported and polish ST 5.0 from Bennett Racing, the heads flow 251 @.050 intake and 215 @.50 exhaust. I have these on a stock lower end, ported edelbrock performer upper and lower, full exhaust (shorties, h pipe and flows) and a vortech s trim pullied for 14 actually seeing 16 with the upr boostmaster power pipe, 70 mm tb, no cats no smog, 3.73 alum driveshaft 3550 tremec what kind of power do you guys see me getting from this combo, oh yea 42#s with fmu and a 190lph in tank thanks!!!!!!

p.s. Does anyone run the brodix heads with boost?? Any comments would be helpful!!!!!!