Technical data - GT3 RS and GT3 as of model year 2004
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
- GT3 vehicles as of model year 2004 are equipped as standard with conventional brake system (cast iron brake discs) - and, as an option, with PCCB brake.
- In the case of the cast-iron brake, different brake pads (brake pad version) are sometimes used than with the PCCB brake. Observe allocation as per Spare Parts Catalogue without fail!BRAKES TECHNICAL DATA - GT3 RS AND GT3 SPECIFICATIONS
Designation Notes, dimensions Wear limit Operating brake (foot brake) with cast iron brake discs (standard) or with ceramic brake discs (option PCCB) Hydraulic dual-circuit brake system with front-axle / rear-axle brake circuit division. Vacuum brake booster, internally ventilated and perforated cast iron brake discs with six-piston monoblock fixed caliper at front and rear axles.
The brake calipers are painted red or yellow (PCCB) for visual differentiation.
ABS 5.7 (4-channel ABS without PSM and without traction control)Brake booster (vacuum) 10 inch Boost ratio 3.15 Brake master cylinder front 25.4 mm rear 25.4 mm Stroke 18/18 mm Brake proportioning control EBD(electronic brake distributor) Brake discs front PCCB = 350 mm
steel = 350 mmrear PCCB = 350 mm
steel = 330 mmEffective brake discs front PCCB and steel 284 mm rear PCCB 291 mm
steel 271.2 mmPiston in brake caliper front 6-piston 2 x 38 mm 2 x 32 mm 2 x 28 mm rear 4-piston 2 x 30 + 2 x 28 mm Brake pad area front 448 cm 2 rear 248 cm 2 Total brake pad area 696 cm 2