looking for any help,,first time user,,i have a great running 1956 evinrude 10 hp,,,the 3 bladed prop now spins on the hub,,,took it to a prop shop,,said it was to old and grooved inside to try and press old brass and rubber out...i need to find a used or new prop,,pt# ??? can this be fixed by drilling and pinning it....please advise,,dead in the water now.......