The 1975 Australian Formula 2 Championship was a CAMS sanctioned Australian motor racing title open to Racing Cars complying with Australian Formula 2 regulations. [1] It was the ninth Australian Formula 2 Championship to be awarded by CAMS. [2] The championship was won by Geoff Brabham, driving a Birrana 274 Ford. [3]
The championship was contested over a seven round series with one race per round. [3]
| Round [3] | Name | Circuit [3] | State | Date [3] | Winner [3] | Car [3] |
| 1 | Calder | Victoria | 25 May | Andrew Miedecke | Rennmax BN7 Ford | |
| 2 | Amaroo Park | New South Wales | 1 June | Geoff Brabham | Birrana 274 Ford | |
| 3 | Hume Weir | Victoria | 15 June | Alfredo Costanzo | Birrana 274 Ford | |
| 4 | Sandown | Victoria | 5 July | Ken Shirvington | March 732 Ford | |
| 5 | Calder | Victoria | 10 August | Alfredo Costanzo | Birrana 274 Ford | |
| 6 | Symmons Plains | Tasmania | 28 September | Geoff Brabham | Birrana 274 Ford | |
| 7 | Rothmans Trophy [4] | Phillip island | Victoria | 30 November | Geoff Brabham | Birrana 274 Ford |
Championship points were awarded on a 9-6-4-3-2-1 basis to the first six place-getters at each round. [1]
| Position | Driver [5] | No. [3] | Car [3] | Entrant [6] | Cal. [7] | Ama. [7] | Hum. [7] | San. [3] | Cal. [7] | Sym. [7] | Phi. [7] | Total. [5] |
| 1 | Geoff Brabham | 10 | Birrana 274 Ford | Grace Bros-Levi's Racing Team | 6 | 9 | 6 | - | - | 9 | 9 | 39 |
| 2 | Alfredo Costanzo | 5 | Birrana 274 Ford | Alfredo Costanzo | - | - | 9 | - | 9 | 2 | 4 | 24 |
| 3 | Andrew Miedecke | 2 | Rennmax BN7 Ford | Grace Bros-Levi's Racing Team | 9 | - | 3 | - | - | 4 | 6 | 22 |
| 4 | Ken Shirvington | 3 | March 732 Ford | Ken Shirvington | 3 | - | 1 | - | 6 | 6 | - | 16 |
| 5 | Ray Winter | 27 | Mildren Ford | Ray Winter | 4 | 4 | - | - | - | 1 | - | 9 |
| 6 | Chris Farrell | 6 | Elfin 622 Ford | Chris Farrell | - | 3 | - | - | 2 | 3 | - | 8 |
| 7 | John Macdonald | Brabham BT41 Ford | - | 6 | - | - | - | - | - | 6 | ||
| = | Tony Stewart | 21 | Brabham BT36 Ford | Tony Stewart | 2 | - | 4 | - | - | - | - | 6 [8] |
| 9 | Chas Talbot | 12 | Birrana 274 Ford | Chas. Talbot | - | - | 2 | - | 3 | - | - | 5 |
| 10 | John Leffler | Brabham BT36 Ford | - | - | - | - | 4 | - | - | 4 | ||
| 11 | Enno Busselmann | Elfin 622 Ford | Enno Busselmann | - | - | - | - | - | - | 3 | 3 | |
| 12 | Tony Maw | Elfin 700 Ford | Helena Rubinstein Racing Team | - | 2 | - | - | - | - | - | 2 | |
| = | Graeme Crawford | Biranna 273 Ford | Graeme Crawford | - | - | - | - | - | - | 2 | 2 | |
| 14 | Rob Butcher | Asp 330 Toyota [9] | Rob Butcher | 1 | - | - | - | - | - | - | 1 | |
| = | Wolfgang Prejawa | 26 | Birrana 274 Ford | Wolfgang Prejawa | - | 1 | - | - | - | - | - | 1 |
| = | Peter Warren | Birrana 273 Ford | - | - | - | - | 1 | - | - | 1 | ||
| = | Doug MacArthur | Lola T360 Ford | Doug MacArthur | - | - | - | - | - | - | 1 | 1 |
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