996 Carrera Group 4 Running Gear / PAGE 147
46 Technical data -GT3 · Designation Notes, dimensions Wear limit
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46 Technical data -GT3
Designation Notes, dimensions Wear limit
Operating brake Hydraulic dual-circuitbrake system with front
(foot brake) axle-rearaxle brake circuit distribution. Vacuum
brake booster, internallyventilated and perforated brake
discs with four-pistonmonobloc fixed caliper at front
and rear axles.
The brake calipers are painted red for visual differentiation
ABS 5.3 without Traction Control (3-channelsystem).
Brake booster 0' 10 inches Boost factor
(vacuum) 3.15 (marked with cup 3.15)
Brake master .13front 25.4 mm
cylinder .13rear 25.4 mm
travel 18/18 mm
Brake proportioning without
valve
Brake discs " front 330 mm
" rear 330 mm
Effective brake disc f3 front 267.8 mm
f3rear 271.2 mm
Piston 0 in brake front 2 x 44 + 2 x 36 mm
caliper rear 2 x 30 + 2 x 28 mm
Brake pad area front 314 cm2
rear 254 cm2
Total brake pad area 568 cm2
46 46-4a
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