Classic and Sportscar, September 1992 issue features a road test of a restored Lightburn Zeta. It describes how the Australian press mocked the Zeta which was unveiled in 1963 with much ballyhoo, including an expensive TV advertising campaign.
The Zeta was a dud. "First impressions are of how appalinglz ugly the car is - later versions were tidied up a bit, with a grille that was intended to ape the BMC 1100's"