what figures can i expect
 

hi people im in the process of rebuilding my car and was wondering what figures i could expect as a rought guide for the build so far is.

sti8 bottom end,v4 sti heads refreshed, ported and polished,cosworth multi layer gasket,arp head studs,inlet spacers,with raised inlet,new cambelt and tensioners ect,
owen delevopments gt3076r turbo
zen performance ppg 5 speed gearbox
helix clutch rated to 550/550
sytech fuel pump
770cc injectors
simtek ecu
gt spec headers and uppipe

thats is pretty much the spec so far unless i add anything else
i was hoping for around 450bhp