how to achieve 600 to 650 hp sb 408?

hello guys i need some help what to be done to achieve 600-650hp. Here is the things i have now. i change the things thats needed to be done to achieve the goal.

La 360 block with oil modifications and hughes stud girdle
Eagle stroker kit forged 4340 crank
forged h-profile rods
srp 10,5 pistons i have measured the compression its low 9,80 to 1 so thats need to be higher i have calculated that i can raise that to 11,20 to 1 without piston change but i dont no if thats enough
melling hv pump oil pump
milodon windage tray and pan
camshaft comp cams solid roller xr286r lift 582/576 0,50 248/254 and lifters and pushrods
indy 360-1 ported cylinder heads and indy intake
milodon gear drive
tti 1 5/8 to 1 3/4 headers
and 1050 holley dominator

as it is now its benched in dynaflow to 555 hp at 6300 rpm and 527 ft lbs torgue

You need more compression and cam and better #'s out of those Indy heads.
I ran a 425 W5 motor with 14.32 comp heads flowed 331 at .700 ran a 1.6 roller rocker W5 large runner intake Erson roller [email protected] .450 lobe ground on a 108ls and degreed it at 108 and TTI 1 7/8 headers.
69 Dart ran 9.70's at 138 mph with a 1.29 60ft at 3110lbs with a 4.30 gear and 29.5 M/T tire.shift at 6900-7000.