|Manufacturer||Audi Hungaria Motor Kft. &
Automobili Lamborghini S.p.A.
|Configuration||90° V10 petrol engine|
|Displacement||4,961 cc (302.7 cu in),
5,204 cc (317.6 cu in)
|Cylinder bore||5.0 L: 82.5 mm (3.25 in),
5.2 L: 84.5 mm (3.33 in)
|Piston stroke||92.8 mm (3.65 in)|
|Cylinder block alloy||Cast aluminium alloy|
|Cylinder head alloy||Cast aluminium alloy|
|Valvetrain||4-valves per cylinder,
double overhead camshaft
|Compression ratio||5.0 L: 11.5:1
5.2 L: 12.5:1
|Fuel system||5.0 L: Electronic multi-point sequential fuel injection
5.2 L: Electronic multi-point Fuel Stratified Injection
|Oil system||Dry sump|
|Cooling system||Water cooled|
|Power output||5.0 L: 368–390 kW (500–530 PS; 493–523 bhp)
5.2 L: 412 kW (560 PS; 553 bhp) @ 8,000 rpm
|Specific power||5.2 L: 79.2 kW (107.7 PS; 106.2 bhp) per litre|
|Torque output||5.0 L: 510 N·m (376 lbf·ft)
5.2 L: 540 N·m (398 lbf·ft) @ 6,500 rpm
Developed by AUDI AG, for use in the Gallardo, and the first engine developed for Automobili Lamborghini S.p.A. after they were acquired by AUDI AG - part of the Volkswagen Group. As such, it shares components and technology from other members of the group, specifically Audi.
Its crankcase and cylinder block is built at the Audi Hungaria Motor Kft. factory in Győr, Hungary, whilst final assembly is at Sant'Agata, Italy. It has a 90° vee angle and unusually for a production motor a dry sump lubrication system was chosen to keep the center of gravity of the engine low.
There was also some speculation that the engine block of the original 5.0 litre Lamborghini V10 is closely based on the Audi 4.2 FSI V8, which Audi produces for their luxury cars. However, this was denied by AUDI AG, in their official documentation for their 5.2 FSI V10 engine, as used in the Audi S6 and Audi S8 - the Lamborghini 5.0 V10 has a cylinder bore spacing of 88 millimetres (3.46 in) between centres, whereas the Audi 5.2 V10 cylinder bore spacing is 90 millimetres (3.54 in). The cylinder heads use the four valves per cylinder layout favoured by the Italian firm, rather than the five valve per cylinder variation formerly favoured by the German members of Volkswagen Group - including Audi and Volkswagen Passenger Cars. It was later confirmed by Stefan Reil of Audi's quattro GmbH subsidiary that the new 5.2 litre Lamborghini V10 does share technologies with the Audi 5.2 V10 engine, as is evident by Lamborghini's usage of Audi's Fuel Stratified Injection, and 90 mm cylinder spacing.
- engine configuration
- 90° V10 engine; dry sump lubrication system
- engine displacement etc.
- 5.0 — 4,961 cubic centimetres (302.7 cu in); bore x stroke: 82.5 by 92.8 millimetres (3.25 in × 3.65 in) (stroke ratio: 0.89:1 - undersquare/long-stroke), 496.1 cc per cylinder; compression ratio: 11.5:1
- 5.2 — 5,204 cubic centimetres (317.6 cu in); bore x stroke: 84.5 by 92.8 millimetres (3.33 in × 3.65 in) (stroke ratio: 0.91:1 - undersquare/long-stroke), 520.4 cc per cylinder; compression ratio: 12.5:1
- cylinder block and crankcase
- 5.0 — cast aluminium alloy with integrated liners with eutectic alloy; 88 mm (3.46 in) cylinder bore spacing; forged steel crankshaft with split crankpins (to create even 72 deg firing interval with the 90 deg vee-angle)
- 5.2 — cast aluminium alloy; 90 mm cylinder bore spacing; forged steel crankshaft with shared crankpins (creating an uneven firing interval of either 54 deg or 90 deg separation)
- cylinder heads and valvetrain
- cast aluminium alloy, four valves per cylinder, 40 valves total, low-friction roller cam followers with automatic hydraulic valve clearance compensation, chain driven double overhead camshafts, continuously variable valve timing system both for intake and exhaust
- two air filters, two hot-film air mass meters, two cast alloy throttle bodies each with electronically controlled 'drive by wire' throttle butterfly valves, cast magnesium alloy variable geometry and resonance intake manifold
- fuel system
- 5.0 — two linked common rail fuel distributor rails, electronic sequential multi-point indirect fuel injection with 10 intake manifold-sited fuel injectors
- 5.2 — fully demand-controlled and returnless; fuel tank mounted low pressure fuel pump, Fuel Stratified Injection (FSI): two inlet camshaft double-cam driven single-piston high-pressure injection pumps maintaining pressure in the two stainless steel common rail fuel distributor rails, ten combustion chamber sited direct injection solenoid-controlled sequential fuel injectors
- ignition system and engine management
- mapped direct ignition with centrally mounted spark plugs and ten individual direct-acting single spark coils; two Lamborghini LIE electronic engine control unit (ECUs) working on the 'master and slave' concept due to the high revving nature of the engine
- exhaust system
- 5.0 — five-into-one exhaust manifolds for each cylinder bank
- 5.2 — 2-1-2 branch exhaust manifold per cylinder bank to minimise reverse pulsation of expelled exhaust gasses
- 5.0 power and torque outputs and applications
- 368 kilowatts (500 PS; 493 bhp) @ 7,800 rpm; 510 newton metres (376 lbf·ft) @ 4,500 rpm (80% available from 1,500 rpm) — 2003-2005
- 382 kilowatts (519 PS; 512 bhp) @ 8,000 rpm; 510 newton metres (376 lbf·ft) @ 4,250 rpm — SE, Spyder, and 2006-on
- 390 kilowatts (530 PS; 523 bhp) @ 8,000 rpm; 510 newton metres (376 lbf·ft) @ 4,250 rpm — Superleggera
- 5.2 power and torque outputs and applications
- 412 kilowatts (560 PS; 553 bhp) @ 8,000 rpm; 540 newton metres (398 lbf·ft) @ 6,500 rpm — LP560/4 - 2008-on
As of 2014, all V-10s in the Lamborghini lineup use the 5.2 litre variant. They are:
- Gallardo LP 550-2
- Gallardo LP 550-2 Spyder
- Gallardo LP 560-4
- Gallardo LP 560-4 Spyder
- Gallardo LP 570-4 Superleggera Edizione Technica
- Gallardo LP 570-4 Spyder Performante Edizone Technica
- Gallardo LP 570-4 Squadra Corse
- Gallardo LP 550-2 Bicolore
- Gallardo LP 550-2 Tricolore
- Sesto Elemento
- Huracan LP 610-4
- S8 D3
- S6 C6
(The Lamborghini V10 has also had a placement in the Audi R8, S8 and S6.)
|Wikimedia Commons has media related to Lamborghini engines.|
- V12 - 6.2/6.5 V12 430-471kW sub-section of the above article
- V10 - 5.2 FSI V10 412kW sub-section of the above article
- V10 - 5.0 V10 368kW sub-section of the above article
- "Lamborghini Cars full specifications - First spyshots of the Lamborghini L140 model". LamboCars.com. Retrieved 30 August 2009.
- "Conversation: Lamborghini CEO Stephan Winkelmann - Italian style, German quality". edmunds - Inside Line. Edmunds.com. 27 February 2007. Retrieved 30 August 2009.
- Audi 5.2 litre V10 FSI engine. Service Training - Self-Study Programme (SSP 376 ed.). D-74172 Neckarsulm, Germany: AUDI AG. June 2006. "The (Audi) V10 belongs to the next generation of Audi V-engines, all of which have a 90-degree included angle and a spacing of 90 millimetres between cylinder centres. Compared to the engine in the Lamborghini Gallardo, which has a spacing of 88 millimetres between cylinder centres, the Audi engine has several new features in key areas."
- "Lamborghini gives Gallardo bigger engine, new name". AutoWeek Magazine. AutoWeek.com. 26 February 2008. Retrieved 9 January 2010.[unreliable source?]
- "Lamborghini Gallardo LP560-4 - New Gallardo V10 bends design rules - Secrets behind Lamborghini's latest projectile, the LP560-4". evo News. evo.co.uk. 7 March 2008. Retrieved 30 August 2009.
- Automobil Revue. pp. catalogue edition 2008, p.316 and 2006, p.285.
- Lamborghini.com official website
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