The "Toby Lee Series" usually featured a 100 lap final round and quickly became very popular, attracting large crowds to Oran Park.
The Toby Lee played its part in popularising production sedan racing and in establishing the passionate Holden-Ford rivalry that would endure for decades to come.
Leading contenders included John Harvey and Colin Bond in Torana Repco V8s, Bill Brown and Jim McKeown driving Porsche Carreras, Leo Geoghegan's Porsche 911S, and Allan Moffat's Ford Mustang Boss 302.
But when John McCormack rolled out his highly modified Chrysler Valiant Charger Repco V8 in 1974 it dominated the series.
For its final year of 1975 a radical switch was made away from sedan racing altogether and the Toby Lee became an open-wheeler Formula 5000 series.