How much power do you think this combo will make?

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The block is a large journal 327 with scat 5.7 H- beam rods KB .030 125 step forged domed pistons,the block is 0 decked every thing is ballenced ,ARP every thing,fluid damper. I put a trick flow top end kit on it that they dynoed on a 383 with flat top pistons and it made 490 horse and 440 torque. My qustion is what the power diffrence in the cubic inches? The cam is hydrolic with246*/254* duration at .050 lift .495"/.510"with 1.5 ratio rockers,112* lobe separation. The heads arehttp://store.summitracing.com/partdetail.asp?part=TFS%2DK314%2D490%2D440&autovie w=sku alluminum 72chambers,195 intake runners,2.02 1.60 valves. Victor JR and 750 speed demon,Msd 6al2