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Reciprocating internal combustion engine
Lamborghini V8
Overview
Manufacturer
Lamborghini
Production
1971-1988
Layout
Configuration
Naturally aspirated 90° V8
Displacement
2.0 L; 121.7 cu in (1,995 cc) 2.5 L; 150.3 cu in (2,463 cc) 3.0 L; 182.9 cu in (2,997 cc) 3.5 L; 212.7 cu in (3,485 cc) 3.8 L; 231.8 cu in (3,798 cc)
Cylinder bore
2.0: 77.4 mm (3.05 in) 2.5/3.0/3.5: 86 mm (3.39 in) 3.8/GTP: 91 mm (3.58 in)
Piston stroke
2.0/2.5: 53 mm (2.09 in) 3.0: 64.5 mm (2.54 in) 3.5: 75 mm (2.95 in) 3.8/GTP: 73 mm (2.87 in)
Cylinder block material
Cast aluminium alloy
Cylinder head material
Cast aluminium alloy
Valvetrain
2 valves per cylinder, 2.0/2.5: SOHC, 3.0/3.5/3.8: DOHC
2.0: 68.2 kW (92.7 PS; 91.5 bhp) per litre 3.5: 54.5 kW (74.1 PS; 73.1 bhp) per litre 3.8/GTP: 131.6 kW (178.9 PS; 176.5 bhp) per litre
Torque output
3.0: 273 N⋅m (201 lb⋅ft) @ 5,750 rpm
Chronology
Successor
Lamborghini V10 (indirect)
The Lamborghini V8 is a ninety degree (90°) V8 petrol engine designed by Lamborghini in the 1970s for their less-expensive vehicles.[1] It was only the second internal combustion engine ever developed by the company, and first saw production for the 1971 Lamborghini Urraco.[2] It was designed by Giampaolo Dallara. The all-aluminium alloy engine was introduced as a 2.5-litre variant, displacing 2,463 cc (150.3 cu in), but was expanded, by increasing the piston stroke to a 3.0-litre variant for 1975 - now displacing 2,997 cc (182.9 cu in).
A 2.0-litre reduced-stroke version was also introduced in 1975 for sale in Italy, displacing 1,994 cc (121.7 cu in), because of Italian legislation which imposed punitive taxes on cars whose engines displaced more than 2.0 litres.
This V8 engine was also used in two other models, the Lamborghini Silhouette in 1976–1977 in which it kept the 3.0-litre displacement,[2] and the slightly updated replacement in 1982, the Lamborghini Jalpa, which saw the engine increased in size to 3.5 litres, displacing 3,485 cc (212.7 cu in),[2] for ease in meeting ever-tighter emissions requirements.
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crossplane V8. The later 2.5-litre and 3-litre V8s employed dual overhead cams. Landsem, Arnstein (Mar 15, 2011). The Book of the Lamborghini Urraco. Veloce...
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turbocharging in the mid-1980s. Lamborghini'sV8 powered models are the 1972–1979 Lamborghini Urraco 2+2 coupe, 1976–1979 Lamborghini Silhouette 2-seat convertible...
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would be replaced by a V12, V8, or possibly even a hybrid or a turbo-diesel engine, as suggested by the then Lamborghini Brand Director, Manfred Fitzgerald...
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quickly. As with the V6, the V8 is used in various Audi and Porsche models, but the V8 also finds use in Bentley and Lamborghini vehicles. engine displacement...
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configuration around a common crankshaft. V10 engines are much less common than V8 and V12 engines. Several V10 diesel engines have been produced since 1965...
original, the short lived 1974 design based on a lengthened Aston Martin V8, and the entirely redesigned, wedge-shaped Series 2 model introduced in 1976...
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