Dutch Alfa Romeo Challenge at Spa-francorchamps 29-04-2006.
3 X Alfa 75 IMSA vs a very loud Alfa 156 STW.
The black 75 has a carbon fibre body over a tubolar frame with
2Ltr ex BTCC 155 engine.
The red 75 is a Original IMSA with the turbo engine.
The grey 75 has also a turbo engine.