If i'm not mistaken, Murray Carter homologated the XD and on top of that homologated the weight of the 6 cylinder version.Wayne Draper said:Hi,
The Phase 5 was designed by me in 1979 as a prototype for the Group C Race Car. Murray Carter got the first one (blue, red and yellow) and Dick Johnson got the second. It was homolgated by yours truly at CAMS just in time for the 1980 Bathurst. You are right, there were only a few built for the street.