In 1973, Phil Founded Drysumpsystems Inc. manufacturing oiling systems adaptable to race cars such as NASCAR, CanAm, TransAm and Formula 5000.
Formula One | Formula Two | 5000 metres | Superleague Formula | Formula racing | Formula Libre | Formula Ford | Formula 3000 | 2006 Formula One season | Powerman 5000 | Formula BMW | Formula Three | Formula Atlantic | British Formula Three Championship | Benetton Formula | Formula 5000 | quadratic formula | Formula V6 Asia | Formula Super Vee | Formula D | Cayley's formula | 2011 FIA Formula 3 International Trophy season | 1982 European Formula Two season | Mercedes-Benz in Formula One | List of Formula One World Drivers' Champions | Formula Vee | Formula One World Championship | Formula One Teams Association | formula | Eurocup Formula Renault 2.0 |
Davison’s Australian Grand Prix victory would be the last for a domestically-based Australian until Frank Matich won the 1970 AGP at Warwick Farm in Sydney driving a McLaren M10B Formula 5000 car, although British-based Australian Jack Brabham had won the AGP in both 1963 and 1964.
The pair drove a Holden Dealer Team Holden Torana to a single lap victory over another Torana, that of Allan Grice and Formula 5000 driver John Leffler.
Former tiwce CAMS Gold Star champion and 1974 Hardie-Ferodo 1000 winner Kevin Bartlett recovered from his 1979 Formula 5000 crash and finished second in the championship in his Channel 9 sponsored Chevrolet Camaro Z28 (financed by Nine's owner Kerry Packer).
After competing in the North American SCCA/USAC Formula 5000 Championships from 1974 to 1976 Brown contested the Can-Am Series and was the runnerup to fellow Australian Alan Jones in the 1978 US Can-Am Series driving a Lola T333CS-Chevrolet for the VDS Team.