Auto Avio Costruzioni 815.
Two examples, numbers 020 and 021, were completed and entered in the 1940 Brescia Grand Prix, which ran nine laps of a 103 miles (166 km) street circuit. Rangoni and Nardi raced in 020, while Ascari and Giuseppe Minozzi raced in 021.
After leading the 1500 cc class in the first lap, Ascari's car developed valve problems and broke down. Rangoni then took the lead, set the lap record for the class, and had a lead of more than half an hour when his engine failed after seven laps.
Lotario Rangoni died during the Second World War and his brother, Rolando, inherited car no. 020. The car was scrapped in 1958. Ascari's car, no. 021, was sold to racer Enrico Beltracchini who raced it in 1947. After selling the car to a museum and then buying it back, Beltracchini sold it again to Mario Righini.
As of 2006, Type 815 no. 021 was still in Righini's collection.
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AAC 815 (2 units)
• 75 bhp (1.5-L I8)
• 170 kph (110 mph)
• 0-100 kph (62 mph): 8.0 seconds
• 625 kg (1378 lb)