McLaren M838T engine
Encyclopedia
The McLaren M838T engine is a 3.8 litre twin-turbocharged flat-plane V8. Developed with help from Ricardo
Ricardo plc
Ricardo plc is a British publicly listed company named after its founder, Sir Harry Ricardo and founded on 30 June 1927 in Shoreham-by-Sea, West Sussex. The company is a leading global multi-industry engineering provider of technology, product innovation and strategic consulting...

 with technology acquired from Menard Competition Technologies, it is McLaren's first engine. The engine redlines at 8500 rpm, however 80% of the engine's torque is available as low as 2000 rpm. The design of the engine was based on the Nissan VRH35
Nissan VRH35 engine
thumb|right|250px|VRH35Z Engine.The VRH35 is 3.5L V8 piston engine from Nissan.It was developed newly by Yoshimasa Hayashi.V=V engine configuration R=Racing H=The eighth of the alphabet = Eight cylinders-1987:...

 racing engine used in Le Mans
24 Hours of Le Mans
The 24 Hours of Le Mans is the world's oldest sports car race in endurance racing, held annually since near the town of Le Mans, France. Commonly known as the Grand Prix of Endurance and Efficiency, race teams have to balance speed against the cars' ability to run for 24 hours without sustaining...

 in 1998
1998 24 Hours of Le Mans
The 1998 24 Hours of Le Mans was the 66th Grand Prix of Endurance, and took place on June 6 and 7 1998.-Race:1998 saw a significant increase in manufacturer involvement. Porsche and Mercedes-Benz remained, with upgraded cars in both GT1 and LMP. Toyota sent three of their new, extremely fast...

. However, other than the 93 mm bore, little of that engine remains in the M838T. McLaren claims that the engine has the highest horsepower
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

 to CO2
Carbon dioxide
Carbon dioxide is a naturally occurring chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom...

 emission
Carbon footprint
A carbon footprint has historically been defined as "the total set of greenhouse gas emissions caused by an organization, event, product or person.". However, calculating a carbon footprint which conforms to this definition is often impracticable due to the large amount of data required, which is...

 ratio of any current production engine. The engine is built at Ricardo's engine assembly facility in Shoreham-by-Sea
Shoreham-by-Sea
Shoreham-by-Sea is a small town, port and seaside resort in West Sussex, England. Shoreham-by-Sea railway station is located less than a mile from the town centre and London Gatwick Airport is away...

, West Sussex
West Sussex
West Sussex is a county in the south of England, bordering onto East Sussex , Hampshire and Surrey. The county of Sussex has been divided into East and West since the 12th century, and obtained separate county councils in 1888, but it remained a single ceremonial county until 1974 and the coming...

.

Applications

The engine was designed and built for the McLaren MP4-12C
McLaren MP4-12C
The McLaren MP4-12C is a sports car designed and manufactured by McLaren Automotive. It is the first production car wholly designed and built by McLaren since the McLaren F1. The car's final design was unveiled on 8 September 2009, and it is set to be launched in 2011...

 supercar
Supercar
Supercar is a term used most often to describe an expensive high end car. It has been defined specifically as "a very expensive, fast or powerful car"...

 where it produces 592 horsepower
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

 and 466 ft·lbf of 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....

. For the GT3
FIA GT3 European Championship
The FIA GT3 European Championship is a sports car racing series organized by the Stéphane Ratel Organisation and regulated by the Fédération Internationale de l'Automobile . It is a championship derived from the international FIA GT1 World Championship, but meant to provide competition for more...

 racecar, the engine produces less power at only 493 hp.
Models Years Displacement Aspiration Valvetrain Power Torque Redline(rpm)
MP4-12C
McLaren MP4-12C
The McLaren MP4-12C is a sports car designed and manufactured by McLaren Automotive. It is the first production car wholly designed and built by McLaren since the McLaren F1. The car's final design was unveiled on 8 September 2009, and it is set to be launched in 2011...

2011- 3800 cc Twin Turbocharged DOHC 4-valves
Multi-valve
In automotive engineering a multi-valve or multivalve engine is one where each cylinder has more than two valves. A multi-valve engine has better breathing and can operate at higher revolutions per minute than a two-valve engine, delivering more power.- Multi-valve rationale :A multi-valve design...

 per cylinder
600 PS@7000 rpm 600 N·m (443 ft·lbf) 8500
MP4-12C GT3 2011- 3800 cc Twin Turbocharged DOHC 4-valves
Multi-valve
In automotive engineering a multi-valve or multivalve engine is one where each cylinder has more than two valves. A multi-valve engine has better breathing and can operate at higher revolutions per minute than a two-valve engine, delivering more power.- Multi-valve rationale :A multi-valve design...

per cylinder
499.84 PS

External Links

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