Alfa Romeo 33 TT12 K Targa Florio 1973 De Adamich-Stommelen

This car culminated several seasons of prototypes developed since 1969, evolved as experience was accumulated and regulations were modified.

Designed by Carlo Chiti, was based on a multi-tubular chassis, from there its name TT (Telaio Tubular in Italian), with a 12-cylinder engine in a 180° angle, four valves per cylinder, it achieved 500 HP and allowed the vehicle to reach a top speed of 330 km/h.

The 57th edition of the Targa Florio was held in Sicily in May 1973. This legendary Italian race was created in 1906 by Vincenzo Florio to promote the island.

Alfa Romeo Autodelta team registered three new racing Alfa Romeo 33 TT 12 cars.
The one driven by Pam and Zeccoli, with No. 2, did not qualify, but the other two obtained the second (De Adamich-Stommelen) and third position (Regazzoni-Facetti) of the grid.

The Alfa No. 7 suffered a serious accident during practice when Regazzoni was driving; he got off track and dump, which forced to abandon the race before starting it.

The only survivor, driven at the time by Rolf Stommelen, got the record for the fastest lap of the 72-kilometre circuit, with an average of 126.248 Km/h.

On lap 3 of 11 in total, Adamich Andrea after a pit stop, took command of the car, breaking one lap later the front suspension, which also forced them to abandon the race.