Technical data - 911 GT3
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.
BRAKES TECHNICAL DATA - GT3 SPECIFICATIONS
| Designation | Notes, dimensions | Wear limit |
|---|---|---|
| Operating brake (foot brake) | 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 four-piston monoblock fixed caliper at front and rear axles. The brake calipers are painted red for visual differentiation. ABS 5.3 (3-channel system without PSM and without traction control) |
|
| Brake booster (vacuum) | 10 inch | |
| Boost ratio | 3.15 (Identification with Cup 3.15) | |
| Brake master cylinder | front | 25.4 mm |
| rear | 25.4 mm | |
| Stroke | 18/18 mm | |
| Proportioning valve | without | |
| Brake discs | front | 330 mm |
| rear | 330 mm | |
| Effective brake discs | front | 267.8 mm |
| rear | 271.2 mm | |
| Piston in brake caliper | front | 2 x 44 + 2 x 36 mm |
| rear | 2 x 30 + 2 x 28 mm | |
| Brake pad area | front | 314 cm 2 |
| rear | 254 cm 2 | |
| Total brake pad area | 568 cm2 |