Here, just some quick numbers...
If you ran 8 flowed .043 nozzles in the hat...
That would give a system pressure of about 185 PSI (you really want 150-200 PSI for good response).
The blower would have to be run at 13% under driven.
The return jet would be between a blank and .012
Boost, with a typical 8-71 on that big of a motor would be just under 8 PSI.
HP would be in the 750 range.
That is assuming about 9:1 static compression.