Unusual Request - Datsun parts

[tss240zg]

Hi guys
I have an unusual request but I am a big Datsun Enthusiast as well as an S12 one.
So I was wondering does anyone know of any old Datsuns tucked away that are potentially for sale as I am looking for a project car? Anything pre 82 is considered.
Also does anyone know somebody who has a Datsun B310 78-81 RWD 5 speed Gearbox for sale - I am at wits end trying to find one.

Any leads appreciated.
Thanks