Category:Ferrari Jano V12 engine

Ferrari Jano engine 

V12 race engine used by Ferrari, an alternative to 'Colombo V12'
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Instance of	engine model
Subclass of	gasoline engine
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Ferrari Jano V12 (1955-58) was designed by Vittorio Jano and Alberto Massimino. Twin spark. Four coils. Dry sump. 60°. Other engine details (source)

• Tipo 130, 1956: SOHC, 73x69.5 = 3490 ccm, 9.0:1, 3xWeber 36IR4, 320PS@7200rpm. Ferrari 290 MM.
• Tipo 136, 1957: DOHC, 73x69.5 = 3490 ccm, 9.0:1, 6xWeber 42DCN, 330PS@8000rpm. Ferrari 290 S.
• Tipo 140, 1957: DOHC, 76x69.5 = 3783 ccm, 9.0:1, 360PS@7800rpm. Ferrari 315 S.
• Tipo 141, 1957: DOHC, 77x72.0 = 4023 ccm, 9.2:1, 390PS@7400rpm, Ferrari 335 S.
  • 1958: Upgraded to 9.9:1, 6xWeber 42DCN, 447PS@770 rpm, Ferrari 412 MI.
  • 1958: 6xWeber 42DCN, 432PS@8000rpm, Ferrari 412 S.
• Tipo 142, 1958: DOHC, 73x58.8 = 2953 ccm, 320PS@8400rpm, single spark, two coils, Ferrari ?, raced only once, at Spa, May 1958. Built to comply with 3-litre constraint.