Chevron Racing Cars is exhibiting the new Chevron GR8 in prototype chassis form at Autosport International. The new mid-engined competition coupe with Cosworth YD 2.0 litre power is being built for the one-make Chevron GR8 Challenge Series. UK-based specialist race car construction company Chevron have revealed the production specifications and images of their latest vehicle, the GR8. The GR8, which is the company's first all-new coupe for forty years, uses some of the design cues from Chevron's previous B8 coupe model. Although for the new car the bodywork has been made considerably sharper and more contemporary.
2010 Chevron Racing Cars GR8 Cosworth
Organised by the British Automobile Racing Club (BARC), the Series will make its racing debut at Silverstone on 8/9 May 2010. Two Series rounds are to be staged at each of seven BARC race meetings. An additional round is a possibility if racing is resumed at Donington Park.
2010 Chevron Racing Cars GR8 Cosworth
The final decision by Cheshire-based Chevron to exhibit at Autosport International was not taken until last week as the finishing touches were being put to the prototype chassis. The body is being shown in the form of design renderings generated from the CAD files produced for machining the body tooling model. Commencement of testing, initially without bodywork, is imminent.
2010 Chevron Racing Cars GR8 Cosworth
The GR8 concept rendering, which Chevron confirms is fairly close to the final design, reveals a discernable relationship to its illustrious predecessor, the Chevron B8, an enduring favourite with historic sporstcar competitors. Fabrication of the GR8 prototype is in progress and development testing is scheduled to commence in January.
2010 Chevron Racing Cars GR8 Cosworth
The design of the new car has a deliberate affinity with the classic Chevron B8 racing coupe, some 70 of which were built following its introduction in 1968. Priced £3,380 new, Chevron B8s - which typically make up a significant percentage of grids in international championship historic sports and GT racing - now change hands for £300,000.
2010 Chevron Racing Cars GR8 Cosworth
The body is the work of international automotive design consultant Lester Allen, an ex-GM studio chief designer and former senior Royal College of Art vehicle design course tutor. Most of Lester Allen's work in recent years has been behind the scenes for Asian manufacturers. Previous British car designs for which he has been responsible include the Bentley Continental R and Aston Martin Virage, both for the one-time Heffernan Greenley consultancy.
2010 Chevron Racing Cars GR8 Cosworth
Provision has been made in the bodywork design for window lifts and other refinements suited to customers who may wish to have a road-going car conforming to Low Volume Type Approval legislation.The Cosworth 2.0L YD in-line 4-cylinder power unit develops 255-260 bhp at 8200 rpm. Peak torque is 190 ft-lbs at 7500 rpm. Engines for the Chevron GR8 are being built alongside Cosworth's F1 production line.
2010 Chevron Racing Cars GR8 Cosworth
The Chevron installation features a PiRQ4 engine control unit incorporating technologies derived from ECUs used by winners of the FIA GT and World Rally Championship titles. The Cosworth electronics package includes a Pi Omega LCD panel display, providing crystal-clear readouts for the driver and seamless integration with the engine control unit data.
2010 Chevron Racing Cars GR8 Cosworth
The Chevron GR8 is constructed around a centre section comprising a semi-monocoque aluminium sills and platform structure integrated with an MSA compliant roll cage in 50 mm diameter steel tube. Forward of the front bulkhead, a 50 mm and 25 mm box section steel spaceframe incorporates a removable nose box. The rear spaceframe is also in 50 mm and 25 mm box section steel. The sills make more effective use of material than might be the case with a tubular structure and are seen as a better solution to side impact protection. The braking system uses AP callipers, with 330 mm diameter by 28 mm wide discs at the front and 304 mm diameter by 28 mm discs at the rear. Steering is rack and pinion. All aeroquip is by Goodridge.
2010 Chevron Racing Cars GR8 Cosworth
Two Chevron GR8 Challenge Series rounds will be run at each of the BARC meetings where the Series is in the programme and races will feature rolling starts. Entries are open to either one or two drivers. With a team of two, the idea is for each to contest one round. Accepting entries for two drivers creates obvious opportunities for sharing costs. As part of the support provided to participants, Chevron plans to have a pool car on hand as a spare should a competitor's own Chevron GR8 be unable to start a race for whatever reason.
2010 Chevron Racing Cars GR8 Cosworth
The Chevron GR8 model name has aroused a certain amount of internet chatter. Chevron Racing's Helen Bashford-Malkie comments: "In the wake of the announcement late last year that the Chevron GR8 project was under way, I guess the name was up for discussion amongst blogging community for the reason that few hard details had been released about the car.
"The inclusion of '8' pays homage to the B8, the project's inspiration. 'GR' stands for Grand Touring/Racing, but as GTR is used for a Nissan model, we omitted 'T'. We elected for 'GR' because it's got a bit of 'grrrr' combativeness about it. If some people choose to interpret 'GR8' as texting for great well, okay. The fact that it is also being used in the name of the racing Series was also a consideration."
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