can anyone give me an educated guess on the power output of my 454

454 .30 over
781 heads mild porting and chamber polish
~10:1 compression
Power Plus Cyclone dual plane manifold idle- 6000
holley 750 proform mainbody
magnum roller tip 1.7 rockers
xe274h hyd. flat tappet cam Advertised Duration Specs 274/286 degrees
Duration @ 0.050 230/236 degrees
Lift 0.552/0.555 inch
Lobe Separation 110 degrees

full length headers, dual 3 inch exhaust