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Vacuum Brake Booster

Type Vacuum with tandem booster.
Effective diameter 203.2 + 228.6 mm (8 + 9 inch)
Boosting ratio 5.6 : 1
Booster push rod to master cylinder piston clearance 0 (at 500 mmHg vacuum)

TORQUE VALUES
Brake booster mounting nut 21 - 28 Nm (210 - 280 kg.cm, 15 - 21 ft. lbs.)
Brake booster vacuum hose fitting to manifold 15 - 18 Nm (150 - 180 kg.cm, 11 - 13 ft. lbs.)