edelbrock heads

i have 340,3.79inch crank,=395ci
edelbrock full cnc stage 3 heads
10.9 compression
comp cam 236@50,565int,570ex solid roller
1.5 roller rockers
vg coupe A body,3400lb.street driven car
3000 converter
27inch et streets
so far best et 11.5@115mph
4.11 gears
with full exhaust street trim.
looking at cam change or maybe 1.65 roller rockers for 606 lift.What do you guys think?love to run 11.00 or 10.9
when i purchased the heads Hughes stated they are good for 580hp


I have almost the same motor 394 ci , 10.9 comp.
But my cam is 255/266 @.050 ,703 lift with 1.65 T&D rockers and Indy 360-2 heads.
On 91 octane pump gas it made 662 hp, 533 tq. I have ran a best of 6.21@110 on drag radials through the mufflers at 2950lbs.