Porsche 997 GT3 R Hybrid group GT2 (2010)
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Specifications

1 unit built
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boxer 6 (180o) cyl, 4 stroke, petrol engine, located rear longitudinally
3996cc
485-470 hp @ 8,500 rpm
435 Nm @ 7,250 rpm
cast alluminium alloy block and head
7 main bearings
DOHC, 4 valves per cyl - 24 valves total
aspiration, natural with Motec multipoint electronic fuel injection. 2 x 30.3 mm inlet restrictors
firing order 1–6–2–4–3–5
dry sump
KERS / Hybrid system with flywheel generator that rotates at 40000rpm and stores energy for the front electric motors
2010: 2 x 80 bhp / 60 KW electric motors, located front transverse, one for each front wheel. Combined output 640 bhp / 477 KW
2011: 2 x 100 bhp / 75 KW electric motors, located front transverse, one for each front wheel. Combined output 670 bhp / 500 KW

6 speed sequential gearbox
1st: 3.82/1
2nd: 2.26/1
3rd: 1.64/1
4th: 1.29/1
5th: 1.06/1
6th: 0.88/1 or 0.92/1
R: 2.86/1
final drive 4.125/1 (33/2), 4.000/1 (32/8), 3.89/1 (31/8), 3.44/1. Limited slip rear differential 40-60%, front electric motors, one for each wheel
dry triple-disc fibre 114.3 mm diameter clutch
Unit Steel with Carbon Fiber Front Apron, Rear Bumper, Sideskirts, Doors, Rear Hood
Front axle: Strut type suspension (optimised by Porsche) with unibal joints and corresponding modifications of kinematics, independent wheel suspension on transverse control arms, longitudinal arms and spring struts, double coil springs (master and auxiliary) adjustable in different positions, ZF-Sachs gas pressure dampers (Through Rod System), separated track control arms, adjustable front blade-type roll bar, wheel mounts with double damper clamps
Rear axle: Multilink rear suspension with unibal joints and corresponding modifications of kinematics, independent wheel suspension (five arms), rigid suspended subframe, double coil springs (master and auxiliary) adjustable in different positions, ZF-Sachs gas pressure dampers (Through Rod System), separated track control arms, rear axle tie rod strengthened and continuously adjustable, adjustable blade-type roll bar
electrical power assistance rack-and-pinion steering
Two-circuit brake system with front/rear circuit separation and brake-power distribution by bias bar system, no ABS, six aluminium monoblock callipers at the front, four-piston aluminium monoblock callipers at the rear, cross-drilled, internally vented brake discs measuring 380 x 35 mm diameter/width at the front and 355 x 32 mm diameter/width at the rear
Length 4,439 mm
Width 1,957
Height 1,250 mm
Wheel base 2,373 mm
Front track 1,565 mm (3.5 degree camber)
Rear track 1,620 mm (3.0 degree camber)
front wheels: 11J with Michelin slicks 27/65-18
Rear wheels: 13 J with Michelin slicks 31/71-18
1350kg for 2010, and 1300kg for 2011
Fuel tank 100 lt


Results in Endurance races

Classification in GT cars is noted in brackets
Team entry, chassis number Car number, result
Sebring Le Castellet Spa Laguna Seca Le Mans Algrave Hungar Silver stone Petit Le Mans Zhuhai
Date 20/3 11/4 9/5 22/5 13/6 17/7 22/8 12/9 2/10 7/11
Duration 12h 8h 1000km 6h 24h 1000km 1000km 1000km 1600km 1000km
Championship ALMS LMS LMS AMLS LMS LMS LMS- ILMS ALMS -ILMS ILMS
Porsche AG, WPOZZZ99ZBS799502 #911, 18th (8th) #92, 6th (1st)
Total points
8
8
Statistics
Works Starts/finishes 2/2 1/1 1/1

Teams and drivers entries


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