Technical Data For C2/C2S And C4/C4S - PCCB Brakes (Option)
Operating brake (foot brake):
- Dual-circuit brake system with brake-circuit division per axle.
- Internally ventilated and perforated PCCB brake discs on front and rear axle.
- Six-piston monobloc calliper on front axle and four-piston monobloc calliper on rear axle.
- The brake callipers are painted yellow for visual differentiation.
- Standard Porsche Stability Management (PSM 8.0).
| Location | Description | Type | Basic value | Tolerance 1 | Tolerance 2 |
|---|---|---|---|---|---|
| Brake booster diameter (vacuum) | C2/C2S | Diameter | 10 inches | ||
| Brake booster transmission ratio (i) | C2/C2S | Factor | 4.5 | ||
| Brake booster diameter (vacuum) | C4/C4S | Tandem/diameter | 9 inches | ||
| Brake booster transmission ratio (i) | C4/C4S | Factor | 5.5 | ||
| Diameter of brake master cylinder, front/rear | C2/C2S | Diameter | 25.4/25.4 mm | ||
| Diameter of brake master cylinder, front/rear | C4/C4S | Diameter | 26.99/26.99 mm | ||
| Brake master cylinder stroke, front/rear | All | Dimension | 20.5/15.5 mm | ||
| Brake disc diameter, front | Diameter | 350 mm | |||
| Brake disc diameter, rear | Diameter | 350 mm | |||
| Effective brake disc diameter, front | Diameter | 284.8 mm | |||
| Effective brake disc diameter, rear | Diameter | 292 mm | |||
| Piston diameter in six-piston brake calliper, front | 2x | Diameter | 38 mm | ||
| Piston diameter in six-piston brake calliper, front | 2x | Diameter | 32 mm | ||
| Piston diameter in six-piston brake calliper, front | 2x | Diameter | 28 mm | ||
| Piston diameter in four-piston brake calliper, rear | 2x | Diameter | 30 mm | ||
| Piston diameter in four-piston brake calliper, rear | 2x | Diameter | 28 mm | ||
| Effective brake pad area, front | Area | 448 cm2 | |||
| Effective brake pad area, rear | Area | 248 cm2 | |||
| Total brake pad area | Area | 696 cm2 |