Porsche 911 GT3 Cup

The Porsche 911 GT3 Cup is entering the 2009 motorsport season with engine output of 420 hp. The car will be raced in the Porsche Mobil1 Supercup, the world's fastest international brand trophy, and worldwide in national Porsche Carrera Cups and GT3 Cup Challenges. 215 units of this production-based racing car developed in Weissach will be built for the racing season 2009 on Porsche's production line in Stuttgart-Zuffenhausen.

ENGINE

flat six-cylinder boxer engine
3,598 cc, stroke 76.4 mm (3.01"), bore 99.98 mm (3.94")
max. output: 309 kW (420 hp)
max. torque: 420 Nm (310 lb-ft)
max. rpm: 8,400 rpm
four-valve technology
water-cooled
dry-sump lubrication
two-stage resonance intake distributor, central air intake
electronic engine management system MS 3.1
sequential multi-point fuel injection
required fuel quality: 98 octane ROZ, unleaded
racing exhaust with fully controlled catalytic converter (400 cells)
rear silencer with centrally mounted double tailpipe; special exhaust tailpipes for the Porsche Mobil 1 Supercup

SUSPENSION

FRONT AXLE

McPherson spring strut axle
Sachs gas pressure dampers
double coil springs (main and ancillary spring)
adjustable sword-type anti-roll bar
front axle arms adjustable for camber
reinforced front axle crossbar with six-point fastening and double clamping
power steering with electrohydraulic pressure supply
three-piece BBS light-alloy wheels (9J x 18); ET 30 with central locking
Michelin rain tires (24/64-18)

REAR AXLE

multi-arm axle with rigidly mounted axle subframe
Sachs gas pressure dampers
double coil springs (main and ancillary spring)
rear axle track arm adjustable for camber
rear axle tiebar reinforced and infinitely adjustable
adjustable sword-type anti-roll bar
complete suspension infinitely adjustable (height, camber, track)
three-piece BBS light-alloy wheels (11J x 18); ET 43 with central locking
Michelin rain tires (27/68-18)

LINK