The 140J was a follow on from the PB110 school of design in that they both identical drive trains (L14 FS4W63 gearbox and H165 4.111 leaf sprung rear).
I have on in NZ at the moment I am trying to get an import approval for.
i see this one all the time driving home from the city. coming through the back of chatswood in sydney. no idea of engine etc - just pulled over for the pic. v nice looking 1600 :)