I am changing out shafts on a 50* vokey wedge and noticed there is a weight in the bottom of the current shaft. Current shaft is a Nippon 3 120 stiff. New shaft is TT Dynamic Gold 120 s300. My question is, if I use the same weight as in the Nippon, will the swing weight be the same of is the new shaft different enough that I will need a different amount of weight?