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Reciprocating internal combustion engine
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
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]
^ ab"Lamborghini - History - Masterpieces - 350 GT". Automobili Lamborghini Holding Spa. Lamborghini.com. Archived from the original on 7 January 2010. Retrieved 9 January 2010.
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