I'm working on such a mod. The working process of flooding is a bit hard to understand, but I think I've understood it quite well after many many hours of tests. Now, I get very good results (far better than in NYGM !).
I've changed all zones' values, and added a few new zones :
But the work needs more tests, and I'm too busy in RL now. Moreover, the own ship's .zon files need adaptation.
One day, I may release a complete "supermod".