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Click on the thumbnail to view the full size image (45-90K each). These images are from official Lamborghini Factory Press Releases for the 2000 Diablo GTR model. To simplify navigation the full image will open in a new browser window. Close that window after you are finished viewing the image and choose another.
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Lamborghini Diablo GTR
A race
car for the Lamborghini Supertrophy
The
Lamborghini Supertrophy is a monomarque championship held every year on the
most famous race tracks, mainly in Europe. Since 1996 the cars competing in
the Lamborghini Supertrophy were the Diablo SVR, a special version of the
Diablo SV model adapted for racing. After four years of competition the Diablo
SVR has proved the extreme reliability of the Lamborghini engines which could
stand four racing seasons with no problems. Quite an achievement for an engine
designed for road use and brought to the tracks with no modifications.
Now,
to meet the request of the passionate driver participating in the Lamborghini
Supertrophy, the House of the Bull is presenting the Lamborghini Diablo GTR, a
car based on the Diablo GT, the most powerful produced in series, that will
set a new benchmark in the monomarque championships with an engine delivering
no less than 590 hp.
In
comparison with the Diablo GT, GTR most important features are a modified
chassis frame with integrated roll bar, improved suspensions, central fixing
nut for the rims, race braking system, additional radiators for transmission
oil cooling, very high performance rear wing (directly bolted to the chassis),
simplified interiors and weight reduction. The engine is basically the same
V12, 6 litre, of the Diablo GT which thanks to the adoption of a specially
tuned exhaust system, without catalyser, delivers 590 hp (575 in the GT
model).
Special
features of the GTR engine, common to the CT, are:
·
multi-throttle intake manifold with individual intake system variable
intake valve timing system
·
dynamic air inlet duct upstream of the intake plenum
·
titanium connecting rods and lighter crankshaft
Unique
specifications of the GTR engine are:
·
improved exhaust system designed for racing
·
special calibration of the engine management system
The
engine management system is based on the proprietary Lamborghini LIE
electronic engine control system tuned for racing. Fuel injection is
sequential multipoint and ignition is static with individual coils.
Lamborghini Data Acquisition System, LDAS, and diagnostic functions are
integrated in the engine electronic management system.
For
the engine cooling, two water radiators in parallel are side mounted to the
engine and an engine oil cooler is front mounted as in the Diablo CT.
Additional coolers for gearbox and differential oil are installed in order to
better match the racing overloads.
The
transmission is on the rear wheels through a Lamborghini 5 speed gearbox with
one basic gear ratio option and an alternative option for a shorter 5ih
gear ratio. The gear box lever is in an
asymmetric position on the central tunnel in order to be closer to the
steering wheel, for better control. The steering system is power assisted.
The
tubular chassis frame integrates the roll bar and is directly connected to the
rear wing. The front suspension is modified for racing. Shock absorbers and
anti-roll bars are adjustable. The rims are lightweight magnesium alloy with
central fixing nut and they accept racing type tires. A special racing fuel
tank with fast filling system has been installed.
The
braking system is based on the Diablo GT high performance module. New racing
brake calipers have been adopted to better match the very severe racing
conditions.
Most
of the body is carbon fibre made, except for the roof, which is made of steel
for torsional rigidity, while the doors are made of aluminum, for safety
reasons.
The
cockpit fittings are simplified to meet racing requirements. The driver seat
has been moved towards the longitudinal axle of the car, reducing the size of
the central tunnel, to ensure a better driving position. Racing switches for
ignition and for other functions have been adopted instead of the series push
buttons. The fire extinguisher system is installed on the right side of the
cockpit with activating switch on the tunnel. The driver's seat is of racing
type with a six-point safety belt and the steering wheel is also racing type.
Lamborghini
is planning to produce 30 Diablo GTR which will be ready by May 2000 in order
to open the Lamborghini Supertrophy season on the 28 of May in Germany.
The
Lamborghini Supertrophy will be part of some of the most prestigious
motorsport events. The following Series have been approached for a calendar to
be presented to the next FIA Motorsport World Council for approval of the
Lamborghini Supertrophy 2000 as a FIA Sanctioned Series.
28 May
Germany
DTM
11 June
England
BTCC
O9July
Europe
European Le Mans Series
06 August
Austria
FIA GT
10 September
Italy
Formula One
15 October
U.S.A.
American Le Mans Series
OS November
Spain
Euro Open
Lamborghini Diablo GTR
Preliminary
Specifications
DIMENSIONS
Overall
length
4300mm
Overall
width
2040mm
Overall
width (external rear mirrors included)
2200mm
Overall
height
1115mm
Track:
front
1650mm
rear
1670mm
Wheelbase
2650mm
Weight
(“dry") about
1400kg
Weight
distribution in %
front
40%
rear
60%
ENGINE
Main characteristics
Number of cylinders
12 V 60
Cycle-stroke
Otto-4
Bore on stroke
87x84 mm
Fngine capacity
5992 cc
Compression ratio
10, 7:l+-0 2
Maximum power
590 CV (434 kW) at 7300 rpm
Maximum torque
640 Nm at 5500 rpm
Crankshaft bearings
7
Cylinder head
aluminum alloy + magnesium
Crankcase
aluminum alloy
Intake manifold
magnesium
Distribution
DOHC,
4 valves per cylinder
Intake
variable valve timing, electronically controlled
Lubrication
Pump
gear type
Oil filter
full-flow cartridge
C
Pressurised
water cooling (1.2 bar), thermostatic valve, 2 radiators "in
parallel", electric fans, front mounted oil cooler, gearbox oil cooler,
differential oil cooler
·
ENGINE MANAGEMENT SYSTEM
Lamborghini
electronic engine management system LIE
Type
speed density/throttle speed
system
Fuel
injection
sequential multiport
Ignition
static ignition, with
individual coils
Transmission
ratios
standard of 5th gear “shorter
ratio” optional
Clutch
dry single plate
Diameter
of clutch disc
272mm
Wheels
front
8.5” x 18”
rear
13” x 18”
·
CHASSIS
High
strength tubular frame with carbon fibre components
·
BRAKES
Double
hydraulic circuit, 4 self-ventilated discs
Front
Disc
diameter
355mm
Calipers
Brembo racing calipers
Rear
Disc
diameter
335mm
Calipers
Brembo racing calipers
Handbrake
mechanical on rear wheels
Master
cylinder
tandem
pump 15/16”
Power
assisted brake
9”
·
SUSPENSIONS
Front
Independent
wishbones, coil springs, adjustable anti-roll bar
Rear
Independent
wishbones, coil springs, adjustable anti-roll bar
·
STEERING
Hydraulic
power steering
·
ELECTRICAL EQUIPMENT
Voltage
12V
Alternator
14V; 115A
Battery
12V; 70AH
·
CAPACITIES
Fuel
Tank
100lt
Cooling
circuit
15lt
Engine
Oil (total capacity: radiator, filter & oil ducts
15lt
All
specifications subject to change & typographical errors.