cam selection for a blown 505

hi there people in just about to pop for a cam for my blown stroker build and curious to see what peoples opinions are and if they've had luck running a combo like mine

hers the specs
440 rb block with eagle 505 stroker
4.25 stroke 7.100 rod
ported 440 source heads
approx. 8.5 to1 compression
6-71 blower with 10 percent boost\
twin holley 750 blow thru carbs
gear drive timing
blower shop intercooler
4 speed 18 spline hemi trans
456 gear with a 30-31 inch tire

with that said this is what I have and if needing any improvement please share I also have a new 150-200 shot nos kit that can be added

im hoping to creep up on 800 horsepower without the juice just on motor so opinion away please:burnout: