Tasman Cup Formula 5000 1973
The International entry for the 1973 Tasman series was significantly thinner that the previous year. Sam Posey, who had finished second in the US L&M series behind McRae was the only major North American entrant with his Surtees TS11, and the British contingent was limited to just Steve Thompson, in the ex-Brian Redman Chevron B24, and Alan Rollinson with a brand new production McRae GM1. Having won the Tasman and US series in 1972, and not been far away from winning the British series, Graham McRae was favourite to win, and he had the new McRae GM1 that he had used at the end of the British season. Local competition would be led by Frank Matich in the Matich A50, and John McCormack in the Elfin MR5, both using the same cars they had raced 12 months previously. The newest cars on display were the Lola T330 of Max Stewart and the two McRaes, a marked difference from the three works teams that had come to the 1972 series.
McCormack won the opener, but McRae then won at Levin and Wigram before Rollinson won at Teretonga. As usual, Matich was much stronger in the Australian races, and won from McRae at Surfers Paradise, then Steve Thompson won by a mile at Warwick Farm. McRae tied up the title by winning the Sandown Park Cup, and John McCormack secured second in the title race by winning narrowly from Rollinson at Adelaide.
06 Jan 1973 > New Zealand Grand Prix at Pukekohe
13 Jan 1973 > Levin International
20 Jan 1973 > Lady Wigram Trophy
28 Jan 1973 > Teretonga International at Teretonga Park
04 Feb 1973 > Surfers Paradise '100'
11 Feb 1973 > Warwick Farm "100"
18 Feb 1973 > Sandown Park Cup
25 Feb 1973 > Adelaide '100' at Adelaide International
1973 Tasman Cup table
|1||Graham McRae||McRae GM1 - Chevrolet Bartz V8|
McRae GM1 - Chevrolet Morand V8
|40 pts||3 wins|
|2||John McCormack||Elfin MR5 - Repco Holden V8||29 pts||2 wins|
|3||Frank Matich||Matich A50 - Repco Holden V8||27 pts||1 win|
|4||Steve Thompson||Chevron B24 - Chevrolet RES V8||22 pts||1 win|
|5||Alan Rollinson||McRae GM1 - Chevrolet V8||21 pts||1 win|
|6||Max Stewart||Lola T330 - Chevrolet V8||17 pts|
|7||Warwick Brown||Lola T300 - Chevrolet V8||10 pts|
|8||Sam Posey||Surtees TS11 - Chevrolet Bartz V8||9 pts|
|9||Johnnie Walker||Matich A50 - Repco Holden V8||8 pts|
|10||David Oxton||Begg FM5 - Chevrolet V8||4 pts|
|11||Kevin Bartlett||Lola T300 - Chevrolet V8||3 pts|
|12=||Garry Pedersen||Begg FM4 - Chevrolet V8||2 pts|
|12=||Dexter Dunlop||McRae GM1 - Chevrolet V8||2 pts|
|12=||Noritake Takahara||1.8-litre Brabham BT36 - Cosworth FVC||2 pts|
|12=||Bob Muir||McLaren M10B - Chevrolet V8||2 pts|
|12=||Stan Keen||Elfin MR5 - Ford V8||2 pts|
|17=||Ken Smith||1.9-litre March 722 - Cosworth FVC||1 pt|
|17=||Garrie Cooper||Elfin MR5 - Repco Holden V8||1 pt|
Points table from Autocourse 1973/74 p185.