Definitely Whenuapai Wings & Wheels 1984. Numbers tally with programme, and from a few indistinct photos I took!
Datsun Z #432 is one D.Meadows. There were 3 other Z's in entry plus a whole bunch of Ferraris that year, plus Morris's ERA and Whitehouse Cooper-Bristol.
Late Dave McKinney's NZ Motoring News had a double-page report of the W&W - remember when we had real motor magazines you could pick up and read?
Stu