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Audi R8C LM-GTP
Page 1: R8R Development
Page 2: R8C Development
Page 3: R8C Development cont.
Page 4: Le Mans 1999
Page 5: Tech Details
Gallery

But Le Mans 1999 should not be regarded as the end of the R8C program. After purchasing Bentley, the Volkswagen-Audi Group decided to resurrect the marque by returning it to Le Mans in 2001. RTN were given the job of building the Bentley EXP Speed 8 car, basing the design on the R8C. Looking remarkably similar from certain angles, the new car came third in 2001 and fourth in 2002 - trailing only Audi R8s on both occasions.

In 2003 the car finally triumphed, the first Bentley to do so for over 70 years.

ABOVE: Unsurprisingly, some say that the Bentley EXP Speed 8 was just a continuation of the Audi R8C project in all but name!

 

Audi R8C Technical Data

Vehicle type: Le Mans GT prototype (LM-GTP)

Dimensions: Length - 4800 mm
Width - 2000 mm
Height - 980 mm
Minimum weight - 900 kgs


Monocoque: Carbon fibre; crash structure
ACO and FIA approved; steel safety cage


Body: Carbon fibre

Engine: V8, turbocharged, 90 degree cylinder angle,
4 valves per cylinder, 2 Garrett turbochargers; to
comply with the rules, 2 x 33.9 mm air restrictors
and boost pressure restricted to 1.87 bar (absolute)


Engine management: Bosch MS 2.8

Engine lubrication: Dry sump, Shell Racing Oil SR

Displacement: 3600 ccm

Output: 640 bhp at 6300 revs

Torque: 760 Nm at 5500 revs

Power transmission: Rear-wheel drive

Clutch: CFRP clutch

Gearbox: Sequential 6-speed sports gearbox

Differential: Multiple-disc limited-slip differential

Driveshafts: Constant-velocity plunging tripod joint

Steering: Mechanical rack-and-pinion steering,
not servo-assisted


Suspension: Independent double-wishbone suspension front
and rear, Pushrod system with horizontal spring/damper unit,
adjustable gas-filled shock absorbers


Brakes: Hydraulic dual-circuit brake system, monobloc
light-alloy brake callipers, ventilated carbon fibre brake
discs at front and rear, brake force distribution
driver adjustable


Rims: OZ forged magnesium rims
Front - 12.25 x 18 inches
Rear - 13 x 18 inches


Tyres: Michelin Radial
Front - 29/65-18
Rear 31/71-18


Tank capacity: 90 litres

 

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