Engine Alfa Romeo Tipo 158 1500 cc.![](foto2-bW0vbG9naGkvbV8xLmpwZw==-150-150.jpg)
![](foto2-bW0vbG9naGkvbV8xLmpwZw==-150-150.jpg)
After the first successes in F1 races with 1940 cars, some major improvements were released with also a two stage supercharger giving many victories in 1947 and 1948. In 1950 this engine acieved the World Championship.
![](crop2-bW0vbW90b3JpLzM5X3RvcnF1ZS5qcGc=-400-300.jpg)
Number of cylinders: 8 inline
Bore and stroke: 58.0 x 70.0 mm
Displacement: 1479 cc. - single stage Roots supercharger
Power: 350 CV at 8500 RPM
Compression ratio: 7,5:1
Valves: 2 per cylinder
Valvetrain: over head cams
Fuel system: 1 triple barrel carburetor
![](crop2-bW0vbW90b3JpLzM5X2ZvdG8uanBn-210-156.jpg)