I have two drivers that are similar but with different weights. My fitter and I decided the best combo is a 913d, 10.5 head with a RIP X 80 gram shaft at 44". I have a black and a green weight from the two different clubs (the other is a 913d 9.5, Diamana White X flex 72 gram shaft at 44.5"). I believe the black weight came with the RIP X (44") and the green came with the Diamana X (44.5). I have swapped the heads with the shafts and don't know which weight to use. What will the swing weights be with the black, and the green weight, using the 10.5, RIP X 80 gram shaft at 44"?