Roughly how much fuel volume is a 570cfm carb going to need

[crazypete]

I used the resistor trick to slow down my fuel pump till it was pumping 6 psi, but as an esteemed colleuge pointed out, it will proportionally lower volume. I'm using the stock 88 lph(?) 40 psi pump, so I guess I'm pumping 33 lph right now at 15 psi before the regulator