| Manufacturer | Alfa Romeo |
|---|---|
| Production | 1976-1977 |
| Class | Group 6 Two-Seater Racing Cars |
| Layout | RMR layout |
| Engine | 2993 cc F12 520 bhp @ 12000 rpm 2134 cc F12 twin-turbo 640 bhp @ 11000 rpm |
| Curb weight | 720 kg (1587 lb) |
| Designer(s) | Autodelta |
The successor of the 33TT12 1976 was the 33SC12, SC referring to SCatolato, a boxed chassis. The 3.0 L flat-12 engine now produced 520 bhp (390 kW). With this car Alfa Romeo won the 1977 World Championship for Sports Cars, the 33SC12s driven by Arturo Merzario, Jean-Pierre Jarier and Vittorio Brambilla having won every race in the series. At the Salzburgring the car reached an average speed of 203.82 km/h (126.6 mph); in that same race Arturo Merzario also tested a 2134 cc turbocharged SC12 producing 640 bhp finishing second with that car. The SC12 Turbo was Alfa's first twin turbocharged V12-engine and it was introduced around same time as Renault's Formula One turbo engine. In the Alfa Romeo engine each bank was fed with its own turbocharger; that feature was adopted by many racecar makers in the following years.
The flat-12 engine was later used on Brabham-Alfa BT45, BT46 and Alfa Romeo 177 F1 cars.
Read more about this topic: Alfa Romeo Tipo 33
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