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Hispano Suiza J12 (1935 -1938)

At the 1931 Paris Motorshow Hispano Suiza showed all new car with a big V12 engine, the J12. The engine was big in displacement only because the designers managed to built a compact engine using the know-how gathered building airplane engines. The overhead valvetrain was very advanced for its time with revolutionary features like natrium cooled exhaust valves.

The Barcelona based company was responsible for the building the chassis and drivetrain, seperate coachbuilders were responsible for the bodies. This resulted in many different looking J12s

Country of origin Spain
Years of production 1935 - 1938
Introduced at 1931 Paris Motorshow
Numbers built around 120
 Drivetrain
Engine V12
Engine location Front, longitudinally mounted
Displacement 9.424 liter / 575.1 cu in
Valvetrain 2 valves/cylinder, OHV
Fuel feed Carburettor
Aspiration Naturally Aspirated
Gearbox 3 Speed Manual
Drive Rear wheel drive
 Performance figures
Power 200 bhp / 149.2 kW @ 3500 rpm
BHP/Liter 21.2
Top Speed 93.2 mph / 150.0 km/h