This was a round of the Italian national championship and was supporting the Interserie round.
Details are few, there were two heats on the Saturday with the final on Sunday, Victory in both his heat and the final went to Carlo Giorgio in his new March-Novamotor 733 which he bought to replace his Ensign. Pessenti-Rossi lead briefly but dropped back to finish second, Francisci did well to finish fifth after starting on row nine.
f3 HISTORY
RACES
Race Report: Imola, 1 May 1973
Race Heat 1
1 Vittorio Brambilla
Birel Alfa Romeo 20:09.40
2 Fabrizio Noe
Lotus-Ford 69 20:09.50
3 Luigi Fontanesi
Tecno-Ford 20:13.10
4 Carlo Franchi (Gimax)
De Sanctis-Alfa Romeo 20:23.40
Race Heat 2
1 Giovanni Lo Voi
Brabham-Ford BT28 15:05.00
2 Adelmo Fossati
Brabham BT28 15:05.00
3 Patrice Compain
Martini-Ford MW7 15:21.00
4 Manfred Möhr
Lotus-Ford 15:34.10
5 Marcello Gallo
Brabham BT28
Race Final
1 Vittorio Brambilla
Birel Alfa Romeo 30:44.30 144.318
2 Marcello Gallo
Brabham BT28 30:44.34
3 Fabrizio Noe
Lotus-Ford 69 30:45.10
4 Adelmo Fossati
Brabham BT28 30:55.40
5 Patrice Compain
Martini-Ford MW7 31:08.00
6 Carlo Franchi (Gimax)
De Sanctis-Alfa Romeo 31:11.50
7 Manfred Möhr
Lotus-Ford 31:59.60
8 Giovanni Lo Voi
Martini-Ford MW7 31:08.00