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Maserati V12 engine

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Not to be confused with Ferrari F140 engine.
Maserati V-12 engine
Overview
ManufacturerItaly Maserati
Production1951, 1957, 1966–1969
Layout
Configuration60° V-12
Displacement2.5–4.5 L (152.6–274.6 cu in)
Cylinder bore52.2–70.4 mm (2.06–2.77 in)
Piston stroke52–64 mm (2.0–2.5 in)
Valvetrain48-valve, DOHC, 3-valves per cylinder to 4-valves per cylinder
Compression ratio10:1-12.0:1
Combustion
Fuel systemCarburetor / Fuel injection
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power output315–400 hp (235–298 kW; 319–406 PS)
Torque outputapprox. 165–279.5 lb⋅ft (224–379 N⋅m)

Maserati made four naturally-aspirated, V12 racing engines, designed for Formula One, between 1951 and 1969. The first was an experimental O.S.C.A. engine, in accordance with the 4.5 L engine regulations imposed by the FIA for 1951.[1] Their second engine was 250 F1 V12, in accordance with the 2.5 L engine regulations set by the FIA. Their last two V12 engines were customer engines supplied to Cooper, between 1966 and 1969.[2][3][4] The Tipo 9 / F1 and Tipo 10 /F1, which were both manufactured to the FIA's 3.0 L engine regulations for 1966.[5][6][7] One sports car, a modified version of the Maserati 350S, also used V12 engine, with a 3.5 L (210 cu in) displacement, and produced 335 hp (250 kW).[8][9]

4CLT O.S.C.A. engine

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For 1951 B. Bira modified his '49-spec 4CLT to accept a more powerful, 4,450 cc (271.6 cu in), naturally aspirated OSCA V12 engine. This engine developed around 300 bhp (224 kW).[10] With it Bira won the Goodwood race early in the season, but in its only World Championship appearance, at the 1951 Spanish Grand Prix, it retired on the first lap.[1]

250F F1 V12 engine / Tipo 9/Tipo 10 engine

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In 1956 three 250F T2 engines first appeared for the works drivers. Developed by Giulio Alfieri, and sometimes using the all-new 315 bhp (235 kW) V12 engine, although it offered little or no real advantage over the older straight-6. It was later developed into the 3-litre V12 that won two races powering the Cooper T81 and T86 from 1966 to 1969, the final "Tipo 9" and "Tipo 10" variant of the engine having three valves and two spark plugs per cylinder.[11][12][13][14][15][16]

Applications

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Formula One cars

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Sports cars

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References

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  1. ^ a b Mandas, Yannis (2 August 2018). "Maserati/OSCA Tipo G 4500". DriveTribe.com. Retrieved 10 November 2021.
  2. ^ "1967 COOPER MASERATI V12 T86 FORMULA 1 RACING SINGLE-SEATER". Kidston.com. Retrieved 10 November 2021.
  3. ^ "1966 Cooper T81 Maserati - Images, Specifications and Information". Ultimatecarpage.com. Retrieved 10 November 2021.
  4. ^ "X-ray spec - Cooper T81-Maserati". Motorsportmagazine.com. 7 July 2014. Retrieved 10 November 2021.
  5. ^ "Engine Maserati • STATS F1". Statsf1.com. Retrieved 10 November 2021.
  6. ^ "A Detailed Look Back At The Cooper T81". HotCars.com. 13 March 2021. Retrieved 10 November 2021.
  7. ^ "Maserati Engines II". Maserati-alfieri.co.uk. Retrieved 10 November 2021.
  8. ^ "A Collection of Maserati Engines Part II". Retrieved 18 June 2022.
  9. ^ "Maserati 350S V12". Retrieved 18 June 2022.
  10. ^ Parker (2011), p. 30
  11. ^ "1957 Maserati 250F T2 'V12' - Images, Specifications and Information". Ultimatecarpage.com. Retrieved 10 November 2021.
  12. ^ "The birth of an icon - Car profile: Maserati 250F". En.espnf1.com. Retrieved 10 November 2021.
  13. ^ "A Brief Aural History Of V12 Engines In Formula 1". Carthrottle.com. 12 July 2019. Retrieved 10 November 2021.
  14. ^ "Tribute to Juan Manuel Fangio, Cultural and Technological Center Automobile Museum Juan Manuel Fangio, Juan Manuel Fangio Museum Foundation, Formula 1-Five Times World Champion, 1951 Alfa Romeo, 1954 Mercedes-Benz, 1955 Mercedes-Benz, 1956 Ferrari, 1957 Maserati, Formula 1, Juan Manuel Fangio Museum, Motorsport, Motoring, Balcarce, Argentina, Biography Juan Manuel Fangio, all the cars that Fangio ran, the 200 races of Juan Manuel Fangio, F1 World Champion, Fivefold F1 World Champion, f1, formula 1, racing, ferrari, formulaone, races,,Museo Juan Manuel Fangio | Maserati 250 V12 | Cars". Museofangio.com. Retrieved 10 November 2021.
  15. ^ "Specifications of 50 famous racing engines up to 1994 - Page 8". F1technical.net. Retrieved 10 November 2021.
  16. ^ "1957 Maserati 250 F | Maserati". Supercars.net. 17 April 2016. Retrieved 10 November 2021.
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