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2001 GT3 RS specifications

Concept

Porsche 911 GT3 RS
single-seated, near-standard race vehicle
in accordance with the 2001 ACO-Regulations or the 2001 FIA Regulations
basis: 911 GT3

Engine

flat six-cylinder boxer engine, water cooled
3598 cc - 76.4 mm stroke, 99.99 mm bore
max. torque - 390 Nm @ 7000 rpm
power - 420 hp @ 8200 rpm with 2 X 30.8 mm diameter restrictor
max. rpm - 8500
four-valve technology
oil-cooler (oil-water heat exchanger)
dry-sump lubrication
pressurized oil and cooling water refilling system
intake manifold with single throttle valves and 2 x 30.8 mm diameter restrictor
Bosch MS 3.1 fuel injection management system with ignition control
required fuel quality: 98 ROZ octane unleaded fuel
race exhaust: multiple pipe manifold, open exhaust, no catalytic converter (exhaust muffler can be retrofitted)

Power Train

six speed manual transmission type
gear ratios (as delivered): Daytona ratio different!
ring and pinion gear 7/35
1st gear 13/41
2nd gear 20/40
3rd gear 25/39
4th gear 29/36
5th gear 32/33
6th gear 35/30
oil-water heat exchanger
single mass flywheel with triple-disc race clutch
limited slip differential - 40/65%
rear wheel drive

Body Work

revised 911 chassis with front and rear plastic fender flares front end, front lid, front fenders, doors, rear lid, rear window made from plastic material
welded-in safety roll cage
three point air jack system
aerodynamically optimized front and rear part
aerodynamically optimized side sills
adjustable rear wing
racing bucket seat (driver side only) with fire retardant upholstery
six point seat belt
removable steering wheel (quick-connect coupling)
Fire extinguisher system
100 liter FT 3 safety fuel tank with quick refueling system

Suspension

McPherson front axle with ball joints and corresponding changes of kinematics (according to ACO and FIA-Regulations)
front roll bar, adjustable lever arm system, power steering, multilink rear suspensions with ball joints and corresponding changes of kinematics (according to ACO and FIA-Regulations)
rear roll bar, adjustable lever arm system
double coil springs in front and rear, adjustable in four different positions
front and rear struts with adjustable Sachs shock absorbers
suspension continuously variable adjustable heights, camber, track

Brake System

vacuum reinforced brake system without ABS, brake force balance adjustable by brake balance bar
front: six-piston fixed brake caliper with internally vented discs - brake disc diameter: 380 mm, race brake pads
rear: four-piston fixed brake caliper with internally vented discs - brake disc diameter: 380 mm, race brake pads

Rims/Tires

Front axle: three-piece BBS light aluminum rims (10J x 18 ET 1.5)
Pirelli rain tires (D6 265/645/18)

Rear axle: three-piece BBS light aluminum rims (11J x 18 ET 16)
Pirelli rain tires (D6 295/680/18)

Electronics

Bosch MS 3.1 engine management system
Motec display with integrated data recording
battery: 12V 50 Ah
additional ventilation for driver (fan)
110 Ah generator

Vehicle Weight

approx. 1100 kg

Colors

Exterior colors (water based paint): Carrera White B9a

Production Figure - 51 cars

2001 RS press photos

the factory official photos for the 2001 RS.

(note the revised nose/bumper for aerodynamics, also later that year the undertrays were introduced)

2001 GT3 RS cockpit

MoTeC data acquisition
MOMO mod 07 steering wheel
RECARO seat
Scroth harness belts
most interior appointments stay the same, major change has been the change to MoTeC data acquisition

(note this car is black, and from what I remember it was the first colored chassis from the factory, it was entered by Rosa & C at Daytona 2001, they had given Porsche the first GT3 R victory in 2000, this car was badged a RS note the STACK dash, but revised data switches from previous R models)

all GT3 R/RS cars came with a cable shifter as seen in this car

2001 GT3 RS rear suspension

cars came with Bilstein shocks in 2000, and continued to be something that quickly got changed to Motons, Ohlins, or some cars ran Sachs, which was the supplied with the RS cars
Brembo calipers continued to be supplied on the RS