Karl at Epic Automotive Concepts. He is a Z32 (among others) owner and quite a good friend of many years. He has recently started a workshop, doesn't have a dyno but he has access to one.
He can offer a complete drive in, drive out service for restorations or modifications of any scale, and has probably the nicest zed in Aus, and probably one of the nicest in the world.
Hi zed started like this:
And now looks like this