Had a read through the Torana forums, found some other info on the net as well.
I think I'll hunt down a rack and see if I can work it out myself (with a little help from my friends

).
I'm thinking about using a MR2 electric pump. That way I can have power steering when I'm parking and turn it off on the track.
I'll add it to the list with the BMW front calipers.
No hurry though, I'll probably start both projects 2 weeks out from the next Nationals

)