Greg you are right. Alot of people spoke about the possibility of redrilling the heads to make it bolt on. I will outline why it wont work as outlined also by you. Some of the apache intake surface isnt machined flat it the area you need to drill for the hellcat pattern. You could machine this area in a mill however then the metal is very thin where the bolt would go through. If you look on a hellcat head there is a large boss there where the bolt goes through. If you drilled and tapped an apache i imagine it would simply break off at the cam cover rail very quickly.
There is no surface to put the locating dowls. The dowls on the hc head take the load off the bolts. Given the hc blower takes 80hp to drive there would be alot of force on those long little bolts and would also fail quite quickly