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| Lamborghini V12 | |
|---|---|
 From left to right: Giotto Bizzarrini, Ferruccio Lamborghini and Giampaolo Dallara at Sant'Agata Bolognese in 1963, with a Lamborghini V12 engine prototype. | |
| Overview | |
| Manufacturer | Lamborghini |
| Production | 1963–present |
| Layout | |
| Configuration | 60° V12 petrol engine |
| Displacement | 3.5: 3,465 cc (211.4 cu in), 3.9: 3,929 cc (239.8 cu in), 4.8: 4,754 cc (290.1 cu in), 5.2: 5,167 cc (315.3 cu in), 5.7: 5,707 cc (348.3 cu in), 6.0: 5,992 cc (365.7 cu in), 6.2: 6,192 cc (377.9 cu in), 6.5: 6,496 cc (396.4 cu in), 2nd gen 6.5: 6,498 cc (396.5 cu in) |
| Cylinder bore | 3.5: 77.0 mm (3.03 in) 6.2: 87.0 mm (3.43 in) 6.5: 88.0 mm (3.46 in) 2nd gen 6.5: 95.0 mm (3.74 in) |
| Piston stroke | 3.5: 62.0 mm (2.44 in) 6.2: 86.8 mm (3.42 in) 6.5: 89.0 mm (3.50 in) 2nd gen 6.5: 76.4 mm (3.01 in) |
| Cylinder block material | Cast aluminium alloy |
| Cylinder head material | Cast aluminium alloy |
| Valvetrain | double overhead camshaft, 3.5/4.0/4.8: 2-valves per cyl, 5.2/5.7/6.0/6.2/6.5: 4-valves per cyl |
| Compression ratio | 6.2: 11.6:1 6.5: 11.1:1 2nd gen 6.5: 11.8:1 |
| Combustion | |
| Fuel system | 3.5/3.9/4.8/5.2: 6 Weber carburettors, 5.7/6.0/6.2/6.5: electronic multi-point sequential fuel injection |
| Fuel type | Petrol/Gasoline |
| Oil system | 3.5/3.9: wet sump, 6.2/6.5: dry sump |
| Cooling system | Water-cooled |
| Output | |
| Power output | 3.5: 273.7 PS (201.3 kW; 270.0 bhp) 6.2: 580 PS (427 kW; 572 bhp) at 7,500 rpm 6.5: 640 PS (471 kW; 631 bhp) at 7,500 rpm 2nd gen 6.5: 700 PS (515 kW; 690 bhp) at 8250 rpm |
| Specific power | 3.5: 79.1 PS (58.2 kW; 78.0 bhp) per litre 6.2: 93.7 PS (68.9 kW; 92.4 bhp) per litre 6.5: 98.5 PS (72.4 kW; 97.2 bhp) per litre 2nd gen 6.5: 107.7 PS (79.2 kW; 106.2 bhp) per litre |
| Torque output | 6.2: 650 N⋅m (479 lbf⋅ft) at 5,500 rpm 6.5: 660 N⋅m (487 lbf⋅ft) at 5,200 rpm 2nd gen 6.5: 690 N⋅m (509 lbf⋅ft) at 5,500 rpm |
| Dimensions | |
| Dry weight | 253 kg (6.5 litres)/235 kg (2nd gen 6.5) |
| Chronology | |
| Successor | Lamborghini V12 L539 |
The Lamborghini V12 refers to the flagship V12 engine used by Lamborghini. Lamborghini has had two generations of V12 engines through their history, both of which were developed in-house. The first-generation Lamborghini V12 was a sixty degree (60°) V12 petrol engine designed by Lamborghini,[1][2] and was the first internal combustion engine ever produced by the firm.
It entered production in 1963 as a 3.5 litre displacing 3,465 cubic centimetres (211.4 cu in) fitted on Lamborghini's first car, the Lamborghini 350GT.[1][2] The engine remained in use for almost fifty years; the final version of 6.5 litre displacement was installed in the Lamborghini Murciélago. Lamborghini discontinued their first-generation V12 after the Murcielago, opting for a brand-new V12 that first saw use on the Lamborghini Aventador.[3]
- ^ a b "Lamborghini - History - Masterpieces - 350 GT". Automobili Lamborghini Holding Spa. Lamborghini.com. Archived from the original on 7 January 2010. Retrieved 9 January 2010.
- ^ a b "Lamborghini 350, 400 & Islero". CarsFromItaly.net. Retrieved 9 January 2010.
- ^ "Lamborghini unveils new V12 engine". Archived from the original on 2012-03-29. Retrieved 2010-11-23.