My flow numbers.
These were flowed on a Superflow 600 in 28" of water.
With stock 5.7 castings 2.02 1.57 valves
.....Intake......Exhaust
100-68.......... 53
200-140........ 109
300-203........ 162
400-251........ 211
500-287........ 239
550-299
600-305........ 254

