1998 Porsche 911 GT1 ’98 Technical Specifications
GT1/98 race car specifications – chassis #003
Engine |
6-cylinder boxer, water-cooled, aluminium engine block and cylinder heads, 2 intake and 2 discharge valves per cylinder, 2 exhaust gas turbo chargers with air restrictors, 2 charce air intercoolers, dry sump lubrication, electronic engine management (TAG 3.8), fuel injection with Lambda control, cylinder selective knock control
|
Type |
6-cylinder boxer, aluminium cylinder block & heads
|
Capacity | 3.2-litre (3198cc) |
Bore x stroke | 95.5 x 74.4mm |
Power output | 550 bhp @ 7200rpm |
Torque | 463 ft lbs @ 5000rpm |
Compression ratio | 9.0:1 |
Cooling | water-cooled |
Valves | 2x intake and 2x exhaust per cylinder |
Turbocharging |
2x exhaust KKK K27.2 turbochargers with 33.9mm restrictors
|
Intercoolers | 2x charge air intercoolers |
Lubrication | dry sump |
Engine management | electronic TAG 3.8 |
Fuel injection | multipoint sequential |
Fuel system: |
100-litre FT3 safety tank with integrated catchtank, rapid tank valve and reserve switch
|
Chassis: |
Carbon fibre monocoque, adjustable plastic rear wing, air inlet to turbo chargers on the roof, rollcage as supporting chassis member, air jack, double wishbones with pushrod front and rear, Bilstein shock absorbers front and rear, brakes, balance adjustable by driver, carbon brake discs front and rear
|
Transmission |
6-speed gearbox, sequential gear change, rear wheel drive, triple disc clutch, additional lubrication with oil pump and oil-to-water heat exchanger, self-locking differential
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Type | 6-speed, dog-clutch engagement |
Gear change | sequential |
Drive | rear-wheel drive |
Clutch | triple disc carbon fibre clutch |
Lubrication |
additional lubrication with oil pump, oil-to-water heat exchanger
|
Differential | self-locking diff |
Suspension | |
Front | double wishbones with pushrod |
Rear | double wishbones with pushrod |
Shock absorbers |
additional Bilstein shock absorbers front & rear
|
Steering | power assisted |
Anti-roll bar | front and rear |
Wheels & tyres | |
Wheel rims | 1-part BBS racing rims with central mounting |
Rims – front |
works – 11.5 x 19 ET49 (customers – 11.5 x 18 ET49)
|
Rims – rear |
works – 13 x 19 ET66 (customers – 13 x 18 ET66)
|
Tyres – front |
works – 27/67-19 Michelin (customers – Michelin 27/65-18)
|
Tyres – rear |
works – 31/70-19 Michelin (customers – Michelin 30/70-18)
|
Brakes | |
System | brake balance adjustable by driver |
Discs |
carbon discs front: 380 x 37mm & rear: 380 x 37mm
|
Callipers – front | 6 pistons (fixed) (Le Mans: 8 pistons (fixed)) |
Callipers – rear | 6 pistons (fixed) |
ABS | Bosch ABS |
Bodywork | |
Chassis | carbon fibre monocoque |
Rear wing | adjustable |
Roll cage | as supporting chassis member |
Side windows | plastic |
Air jacks | |
Fuel tank | 100-litre FT3 safety tank |
Dimensions | |
Wheelbase | 2690mm |
Length | 4890mm |
Width | 1990mm |
Height | 1140mm |
Overall length | 4925mm |
Weight | ca. 950kg |