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12C GT3 is eligible to race in the Pirelli World Challenge Series
Pirelli World Challenge supports the IZOD IndyCar series
McLaren has claimed five back-to-back Can-Am titles (1967-71) and three Indy500 victories (1972, 1974, 1976) in an illustrious racing history in the North American market

The McLaren 12C GT3 has been confirmed as eligible for the Pirelli World Challenge (PWC), by the series organisers following a strong competitive debut season in Europe. This announcement means that the British-built racer is now able to compete in North America for the first time.

The 12C GT3 enjoyed a promising 2012 season, claiming 19 victories and a further 19 podium finishes, and has been enhanced further for the 2013 season. These upgrades are designed to further optimise the performance of the car in the more varied conditions found in global championships. The enhancements are evident through the updated bonnet and ducting, designed to ensure that the 12C GT3 can run competitively in higher temperatures than those experienced during 2012.

The Pirelli World Challenge, now in its 24th consecutive season, is one of North America's leading production car-based racing championships, and is a support series for the IZOD IndyCar calendar. Each race is a 50 minute sprint, and sees the grid visit some of the leading purpose-built tracks and street circuits across the USA and Canada. The series is sanctioned by SCCA Pro Racing and races at North America's premier road and temporary street courses.

McLaren Group CEO Martin Whitmarsh said: ‘McLaren has a very distinguished racing history in the United States, contesting and dominating the iconic Can-Am series with a record 43 race victories and five championships from 1967 to 1971, courtesy of our founder Bruce McLaren himself and his team-mate Denny Hulme.

‘We also won the legendary Indy 500 race three times – in 1972, 1974 and 1976 – courtesy of Mark Donohue and Johnny Rutherford.

‘Bearing in mind the Stateside successes of those four McLaren legends, it’s particularly pleasing to note that the McLaren 12C GT3 has now been approved to run in the Pirelli World Challenge – the sports car racing series that follows the IndyCar calendar.

‘The 12C GT3 enjoyed plenty of success throughout the last year, proving itself to be a true contender and claiming victories in a number of different championships across the world.

‘It will be a true testament to the enduring power of Bruce McLaren’s legacy to see the McLaren brand make a return to racing in North America on a regular basis throughout 2013, the year in which we’re celebrating the marque’s 50th anniversary.’

2013 McLaren 12C GT3 technical specification

Chassis/Body

- McLaren carbon fibre MonoCell with aluminium front and rear sub-frames
- Bespoke lightweight carbon fibre body panels
- Left hand drive
- FIA approved safety roll cage

Aerodynamics

- Front splitter
- Rear wing, fully adjustable with gurney
- Front and rear diffusers

Engine/Management

- Race prepared 3.8L V8 twin turbo McLaren M838T
- McLaren Electronics ECU interfacing with Bosch ABS and Shiftec transmission control units

Transmission

- Six-speed sequential motorsport transmission pneumatically actuated via steering wheel mounted paddles

Electrical System

- Lightweight motorsport specification wiring and connectors
- Electronic power management system
- Membrane type switch panel

Data System

- McLaren Electronics ‘ATLAS’ data system
- Digital dash display

Front/Rear Suspension

- Double wishbone adjustable for ride height, camber and toe
- Four-way adjustable dampers with coil over springs
- Motorsport axles with single wheel retaining nut
- Adjustable anti-roll bars
- Forged aluminium wheels: Front 12” x 18”, Rear 13” x 18”

Steering

- Electro-hydraulic power assisted steering
- Unique McLaren GT steering wheel developed from MP4-24 Formula 1 steering wheel

Fuel System

- Motorsport ‘bag tank’ system with 120L capacity
- Motorsport ‘quick-fill’ system

Lubrication

- Mobil 1 engine and transmission lubrication

Brake System

- Akebono monoblock calipers with ventilated discs:
Front – 6 piston caliper, 378Ø x 36mm disc
Rear – 4 piston caliper, 355Ø x 32mm disc
- Bosch motorsport ABS
From the official release here: http://www.media.mclarenautomotive.com/release/188/

Now the other GT3 cars allowed in, the Audi R8 LMS, BMW Z4 GT3 and Mercedes Benz SLS AMG GT3 are all a bit neutered to fit with the SCCA WC GT top class. The funny thing is the latest spec of each car isn't allowed and the Z4 is even listed as 2010 spec apparently so it makes me wonder how the 12C will be handled, I do not expect to see a 2013 spec car in there.
 
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