Frank Gardners Corvair enforced a Cams rule change regarding Engine - gearbox configurations in Sports Sedans. One man caught out by the change of rules was Alan Gissing, his very quick turbo charged Holden 6 Dauphine deemed ineligible overnight.
Engine produced about 500HP
Alan Gissing Renault Dauphine/Holden S/sedan Sandown 1978
oldracephotos.com/N Hammond