However for 1973 , there was an intensely competitive field of New Zealanders , Australians and some well credentialed internationals .
With the introduction of Formula 5000 to the Tasman Series the stars of Formula One no longer made the long haul down under each summer .
For 1973 , there was an intensely competitive field of New Zealanders , Australians and some well credentialed internationals .
With the introduction of Formula 5000 to the Tasman Series the stars of Formula One no longer made the long haul down under each summer .