06 supra launch 20 ballast

[ozzysoil]

Hi there I have a 06 launch 20 dd with the gravity games ballast system 2 hard tanks under rear seat 1 in ski locker I also have 2 400 pound fat sacs I fill one across back seat one beside dog house .i can get a big enough wake to surf without rope but its very close to back of boat looking for suggestions on how to lengthen wake .
Thanks

[Jetlink]

You need ballast for the bow to lengthen the pocket.