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Home >> GMC >> 1995 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical 4.3L V6 - VIN [Z] >> Engine Specifications >> Valves & Valve Springs

Valves & Valve Springs

VALVES & VALVE SPRINGS

Application Specification
Valves
Face Angle 45°
Minimum Margin .031" (.79 mm)
Valve Springs
Free Length 2.03" (51.6 mm)
Installed Height 1.69-1.71" (42.9-43.4 mm)
Pressure (1)
Valve Closed 76-84 @ 1.70 (34-38 @ 43.2)
Valve Open 194-206 @ 1.25 (88-93 @ 31.8)
(1) Lbs. @ In. (Kg @ mm).