Found these items from a place in CA:
Motor mount (rubber and top plate)
Brake line mounting kit... the j clips look correct with the two holes on the side
http://www.truckandcarshop.com/index.html
On the east coast
http://www.davestruckparts.net/index.html
The catalog uses non-standard part numbers... but prices beat Chevys of the 40's and Jim Carter for most stuff.