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Chassis reference

Factory GT/GTA 390-4V brake engineering specifications

brakes · factory

Reference Details

Availability
factory
Front
10 x 2.5-inch full-cast drum; 8.385 x 2.5 x 0.214-inch primary lining; 10.75 x 2.5 x 0.269-inch secondary lining; 1.094-inch wheel-cylinder bore
Notes
Mercury's October 1, 1965 AMA sheet for Cyclone GT/GTA body models 63H and 76H with the 390-4V specifies self-adjusting, single-circuit Duo-Servo brakes with riveted molded-asbestos linings. It records 147.1 square inches effective lining area, 171.9 square inches gross lining area, 282.6 square inches swept drum area, 59.3 percent front effectiveness, a 1-inch master-cylinder bore, 6.55 inches available pedal travel, 760 psi line pressure at a 100-pound pedal load, and 0.015-inch shoe clearance. A Midland-Ross integral vacuum booster is listed, but this sheet does not establish front-disc availability or an individual car's original equipment.
Rear
10 x 2.0-inch composite drum; 8.35 x 2.0 x 0.214-inch primary lining; 10.75 x 2.0 x 0.269-inch secondary lining; 0.906-inch wheel-cylinder bore
Type
brakes

Cars With This Chassis Detail

1 linked car page.

Sources & Documentation