I guess my next question would be what led you to believe you didn't have enough booster gain.
It could be helpful if you did some searching on the Racing Fuel Systems web forum, in particular for flow test vs booster signal data that Mark Whitener ('jmarkaudio')has posted there and on other web sites over the years.
Here's a LINK to one of the old posts on SpeedTalk where he provided information such as shown in the graph below:
