Porsche 911 GT3 RSR updated for 2009

The Porsche 911 GT3 RSR has been updated for 2009. From the outside, you’ll notice the larger air outlets on nose, which feed air into the radiators. On the rear you have a rear wing with a wider adjustment range. The brakes and wiring harness have also been “weight-optimised” (lightened) to improve handling.

The engine bay has gone through some big changes. For one, the 3.8 litre boxer-6 engine is now 4.0 litres, thanks to an increased stroke of 80.4mm compared to 76.4mm in the previous car. Peak engine power is now actually lower, putting out 450hp at 7,800rpm compared to the old car’s 465hp at 8,000rpm. The rev limiter is fixed at 9,000rpm although the engine has a maximum speed of 9,400rpm. Peak torque remains the same, with 430 Newton meters achieved at 7,250rpm. Porsche says the engine now makes more power at low revs, so for each RPM range the new GT3 RSR actually puts out more power despite the peak numbers getting a slight drop.

The interior has a new multi-function display located above the dashboard which can indicate optimum shift timing. The car is quite programmable, for example even the blinking frequency of the lights in the front apron can be infinitely adjustable to help pit crew recognise their car when it rolls in during a night race. For easier pit crew work, the new RSR also features an air-jack system. The oil filler has been moved to the rear lid, which provides for easier access.

The price? 380,000 Euros, not including VAT. Look after the jump for more photos and a full list of specifications.

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Engine: Water-cooled, six-cylinder boxer engine; four valves per cylinder; dry sump lubrication; individual throttle butterflies; fuel injection; air restrictors 2 x 29.5 mm.

Bore: 102.7 mm

Stroke: 80.4 mm

Capacity: 3,996 cc

Power output: 331 kW (450 bhp) at 7,800 rpm

Max. Torque: 430 Nm at 7,250 rpm

Max. revs: 9,400 rpm

Transmission: Six-speed gearbox with sequential jaw-type shift; oil/water heat exchanger; single-mass flywheel; hydraulic disengagement lever; three-plate carbon-fibre clutch; rear wheel drive; limited-slip differential 45/65%

Body: Monocoque body (basis GT3 RS) of hot-galvanised steel; aerodynamically optimised front end with front spoiler; aerodynamically optimised front underfloor; adjustable rear wing; 90-litre safety fuel tank with fast filling function; air jack; welded-in safety cage; bucket-type racing seat (on driver’s side only) with flame-resistant seat cover; six-point seat belt adapted for use of the HANS Head and Neck Support; electric fire-extinguishing system.

Suspension: Front: McPherson spring strut axle; Sachs four-way gas pressure dampers; double coil springs (main and ancillary spring); front axle arms adjustable for camber; adjustable sword-type anti-roll bar on both sides; power steering.
Rear: Multi-arm axle with rigidly mounted axle sub-frame; Sachs four-way gas pressure dampers; double coil springs (main and auxiliary spring); rear axle tie-bar reinforced and infinitely adjustable; adjustable sword-type anti-roll bar on both sides. Complete suspension infinitely adjustable (height, camber, track).

Brakes: Brake system with balance bar control.
Front: Single-piece six-piston aluminium fixed callipers; inner-vented, 380 mm in diameter; racing brake pads.
Rear: Single-piece four-piston aluminium fixed callipers; inner-vented, 355 mm in diameter; racing brake pads.

Wheels: Front: Three-piece BBS light-alloy wheels (11J x 18-34); central bolt;
Rear: Three-piece BBS light-alloy wheels (13J x 18-12.5); central bolt.

Electrical System: Motec display with integrated data recording; multi-function display with integrated gearshift indicator; adjustable traction control; battery: 12 volt, 50 Ah, 140 Ah alternator.

Weight: Approx. 1,220 kg complying with A.C.O. regulations,1,245 kg complying with FIA regulations.

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