The Lamborghini V8 is a ninety degree

Degree (angle)

A degree , usually denoted by ° , is a measurement of plane angle, representing 1⁄360 of a full rotation; one degree is equivalent to π/180 radians...

 (90°) V8

V8 engine

A V8 engine is a V engine with eight cylinders mounted on the crankcase in two banks of four cylinders, in most cases set at a right angle to each other but sometimes at a narrower angle, with all eight pistons driving a common crankshaft....

 petrol engine

Petrol engine

A petrol engine is an internal combustion engine with spark-ignition, designed to run on petrol and similar volatile fuels....

 designed by Lamborghini

Lamborghini

Automobili Lamborghini S.p.A., commonly referred to as Lamborghini , is an Italian car manufacturer. The company was founded by manufacturing magnate Ferruccio Lamborghini in 1963, with the objective of producing a refined grand touring car to compete with established offerings from marques like...

, for their less-expensive vehicles. It was only the second internal combustion engine

Internal combustion engine

The internal combustion engine is an engine in which the combustion of a fuel occurs with an oxidizer in a combustion chamber. In an internal combustion engine, the expansion of the high-temperature and high -pressure gases produced by combustion apply direct force to some component of the engine...

 ever developed by the company, and first saw production for the 1971 Lamborghini Urraco

Lamborghini Urraco

The Lamborghini Urraco was a sports car manufactured by Italian automaker Lamborghini in the 1970s. It was introduced at the Turin auto show in 1970 but wasn't available to buyers until 1973....

. It was designed by Gian Paolo Dallara

Gian Paolo Dallara

Gianpaolo Dallara is an Italian businessman and motorsports engineer. He is owner of Dallara Motorsports, a company that develops racing cars.-Biography:Dallara was born in Parma....

. The all-aluminium alloy

Aluminium alloy

Aluminium alloys are alloys in which aluminium is the predominant metal. The typical alloying elements are copper, magnesium, manganese, silicon and zinc. There are two principal classifications, namely casting alloys and wrought alloys, both of which are further subdivided into the categories...

 engine was introduced as a 2.5 litre variant, displacing

Engine displacement

Engine displacement is the volume swept by all the pistons inside the cylinders of an internal combustion engine in a single movement from top dead centre to bottom dead centre . It is commonly specified in cubic centimeters , litres , or cubic inches...

 2463 cc, but was expanded, by increasing the piston stroke to a 3.0 litre variant for 1975 - now displacing 2997 cc.

A 2.0 litre reduced stroke version was also introduced in 1975 for sale in Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

, displacing 1994 cc, 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

Lamborghini Silhouette

The Lamborghini Silhouette P300 was a two-door two-seat mid-engined rear-wheel drive sports car, made in small numbers by Lamborghini between 1976 and 1979....

 in 1976-1977 in which it kept the 3.0 litre displacement, and the slightly-updated replacement in 1982, the Lamborghini Jalpa

Lamborghini Jalpa

The Lamborghini Jalpa is a sports car produced by the Italian sports car manufacturer Lamborghini from 1981 to 1988.-Overview:The Jalpa was a development of the earlier Silhouette intended to fill a role as a more "affordable" Lamborghini, being much less expensive than the flagship Countach and...

 which saw the engine increased in size to 3.5 litres, displacing 3485 cc, for ease in meeting ever-tighter emissions requirements.

Specifications

engine configuration

Engine configuration

Engine configuration is an engineering term for the layout of the major components of a reciprocating piston internal combustion engine. These components are the cylinders and crankshafts in particular but also, sometimes, the camshaft....

: 90° V8 engine

V8 engine

A V8 engine is a V engine with eight cylinders mounted on the crankcase in two banks of four cylinders, in most cases set at a right angle to each other but sometimes at a narrower angle, with all eight pistons driving a common crankshaft....

; wet sump

Wet sump

A wet sump is a lubricating oil management design for four-stroke piston internal combustion engines which uses a built-in reservoir for oil, as opposed to an external or secondary reservoir used in a dry sump design....

 lubrication

Motor oil

Motor oil or engine oil is an oil used for lubrication of various internal combustion engines. The main function is to lubricate moving parts; it also cleans, inhibits corrosion, improves sealing, and cools the engine by carrying heat away from moving parts.Motor oils are derived from...

 system
engine displacement

Engine displacement

Engine displacement is the volume swept by all the pistons inside the cylinders of an internal combustion engine in a single movement from top dead centre to bottom dead centre . It is commonly specified in cubic centimeters , litres , or cubic inches...

 etc.

2.0: 1995 cc; bore x stroke: 77.4 by 53 mm (3 by 2.1 ) (stroke ratio

Stroke ratio

In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term which is used to describe the ratio between the diameter of the cylinder bore and the length of the piston stroke within its cylinders...

: 1.46:1 - oversquare/short-stroke), 249.4 cc per cylinder

Cylinder (engine)

A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders are commonly arranged side by side in a bank, or engine block, which is typically cast from aluminum or cast iron before receiving precision machine work...

2.5: 2463 cc; bore x stroke: 86 by 53 mm (3.4 by 2.1 ) (stroke ratio: 1.62:1 - oversquare/short-stroke), 307.9 cc per cylinder

3.0: 2997 cc; bore x stroke: 86 by 64.5 mm (3.4 by 2.5 ) (stroke ratio: 1.58:1 - oversquare/short-stroke), 374.7 cc per cylinder

3.5: 3485 cc; bore x stroke: 86 by 75 mm (3.4 by 3 ) (stroke ratio: 1.15:1 - oversquare/short-stroke), 435.7 cc per cylinder

cylinder block

Cylinder block

A cylinder block is an integrated structure comprising the cylinder of a reciprocating engine and often some or all of their associated surrounding structures...

 and crankcase

Crankcase

In an internal combustion engine of the reciprocating type, the crankcase is the housing for the crankshaft. The enclosure forms the largest cavity in the engine and is located below the cylinder, which in a multicylinder engine are usually integrated into one or several cylinder blocks...

: cast

Casting

In metalworking, casting involves pouring liquid metal into a mold, which contains a hollow cavity of the desired shape, and then allowing it to cool and solidify. The solidified part is also known as a casting, which is ejected or broken out of the mold to complete the process...

 aluminium alloy

Aluminium alloy

Aluminium alloys are alloys in which aluminium is the predominant metal. The typical alloying elements are copper, magnesium, manganese, silicon and zinc. There are two principal classifications, namely casting alloys and wrought alloys, both of which are further subdivided into the categories...

cylinder head

Cylinder head

In an internal combustion engine, the cylinder head sits above the cylinders on top of the cylinder block. It closes in the top of the cylinder, forming the combustion chamber. This joint is sealed by a head gasket...

s and valvetrain

Valvetrain

Valvetrain is an all-encompassing term used to describe the mechanisms and parts which control the operation of the valves. A traditional reciprocating internal combustion engine uses valves to control air and fuel flow into and out of the cylinders, facilitating combustion.-Layout:Valvetrain: The...

2.0/2.5/3.0: cast aluminium alloy, two valves per cylinder, 16 valves total, 2x chain

Roller chain

Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire and tube drawing machines, printing presses, cars, motorcycles, and simple machines like...

 driven single overhead camshafts (2xSOHC - one overhead camshaft

Overhead camshaft

Overhead cam valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves or lifters in a more direct manner compared to overhead valves and pushrods...

 per cylinder bank

Cylinder bank

Internal combustion piston engines are usually arranged so that the cylinders are in lines parallel to the crankshaft. Where they are in a single line, this is referred to as an inline or straight engine....

)

3.5: cast aluminium alloy, two valves per cylinder, 16 valves total, 2x chain

Roller chain

Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire and tube drawing machines, printing presses, cars, motorcycles, and simple machines like...

 driven double overhead camshafts (2xDOHC - two overhead camshafts per cylinder bank - 'quad cam')

aspiration: ????
fuel system: ????
ignition system

Ignition system

An ignition system is a system for igniting a fuel-air mixture. Ignition systems are well known in the field of internal combustion engines such as those used in petrol engines used to power the majority of motor vehicles, but they are also used in many other applications such as in oil-fired and...

 and engine management: ????
exhaust system

Exhaust system

An exhaust system is usually tubing used to guide reaction exhaust gases away from a controlled combustion inside an engine or stove. The entire system conveys burnt gases from the engine and includes one or more exhaust pipes...

: ????
2.0 rated motive

Motive power

In thermodynamics, motive power is an agency, as water or steam, used to impart motion. Generally, motive power is defined as a natural agent, as water, steam, wind, electricity, etc., used to impart motion to machinery; a motor; a mover. The term may also define something, as a locomotive or a...

 power

Power (physics)

In physics, power is the rate at which energy is transferred, used, or transformed. For example, the rate at which a light bulb transforms electrical energy into heat and light is measured in watts—the more wattage, the more power, or equivalently the more electrical energy is used per unit...

 & torque

Torque

Torque, moment or moment of force , is the tendency of a force to rotate an object about an axis, fulcrum, or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist....

 outputs and applications: 136 kW @ 7,800 rpm

Revolutions per minute

Revolutions per minute is a measure of the frequency of a rotation. It annotates the number of full rotations completed in one minute around a fixed axis...

; — Lamborghini Urraco

Lamborghini Urraco

The Lamborghini Urraco was a sports car manufactured by Italian automaker Lamborghini in the 1970s. It was introduced at the Turin auto show in 1970 but wasn't available to buyers until 1973....

2.5 rated motive

Motive power

In thermodynamics, motive power is an agency, as water or steam, used to impart motion. Generally, motive power is defined as a natural agent, as water, steam, wind, electricity, etc., used to impart motion to machinery; a motor; a mover. The term may also define something, as a locomotive or a...

 power

Power (physics)

In physics, power is the rate at which energy is transferred, used, or transformed. For example, the rate at which a light bulb transforms electrical energy into heat and light is measured in watts—the more wattage, the more power, or equivalently the more electrical energy is used per unit...

 & torque

Torque

Torque, moment or moment of force , is the tendency of a force to rotate an object about an axis, fulcrum, or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist....

 outputs and applications

164 kW @ 7,500 rpm; — Lamborghini Urraco

Lamborghini Urraco

The Lamborghini Urraco was a sports car manufactured by Italian automaker Lamborghini in the 1970s. It was introduced at the Turin auto show in 1970 but wasn't available to buyers until 1973....

190 kW —

3.0 rated motive

Motive power

In thermodynamics, motive power is an agency, as water or steam, used to impart motion. Generally, motive power is defined as a natural agent, as water, steam, wind, electricity, etc., used to impart motion to machinery; a motor; a mover. The term may also define something, as a locomotive or a...

 power

Power (physics)

In physics, power is the rate at which energy is transferred, used, or transformed. For example, the rate at which a light bulb transforms electrical energy into heat and light is measured in watts—the more wattage, the more power, or equivalently the more electrical energy is used per unit...

 & torque

Torque

Torque, moment or moment of force , is the tendency of a force to rotate an object about an axis, fulcrum, or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist....

 outputs and applications: 273 newton metres (201 ft·lbf) @ 5,750 rpm

186 kW @ 7,500 rpm; — Lamborghini Urraco

Lamborghini Urraco

The Lamborghini Urraco was a sports car manufactured by Italian automaker Lamborghini in the 1970s. It was introduced at the Turin auto show in 1970 but wasn't available to buyers until 1973....

194 kW @ 7,500 rpm; — Lamborghini Silhouette

Lamborghini Silhouette

The Lamborghini Silhouette P300 was a two-door two-seat mid-engined rear-wheel drive sports car, made in small numbers by Lamborghini between 1976 and 1979....

198 kW @ 7,800 rpm; — Lamborghini Urraco

Lamborghini Urraco

The Lamborghini Urraco was a sports car manufactured by Italian automaker Lamborghini in the 1970s. It was introduced at the Turin auto show in 1970 but wasn't available to buyers until 1973....

3.5 rated motive

Motive power

In thermodynamics, motive power is an agency, as water or steam, used to impart motion. Generally, motive power is defined as a natural agent, as water, steam, wind, electricity, etc., used to impart motion to machinery; a motor; a mover. The term may also define something, as a locomotive or a...

 power

Power (physics)

In physics, power is the rate at which energy is transferred, used, or transformed. For example, the rate at which a light bulb transforms electrical energy into heat and light is measured in watts—the more wattage, the more power, or equivalently the more electrical energy is used per unit...

 & torque

Torque

Torque, moment or moment of force , is the tendency of a force to rotate an object about an axis, fulcrum, or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist....

 outputs and applications: 190 kW @ 7,000 rpm; — Lamborghini Jalpa

Lamborghini Jalpa

The Lamborghini Jalpa is a sports car produced by the Italian sports car manufacturer Lamborghini from 1981 to 1988.-Overview:The Jalpa was a development of the earlier Silhouette intended to fill a role as a more "affordable" Lamborghini, being much less expensive than the flagship Countach and...

External links

• Lamborghini.com official website