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Home >> GMC >> 1998 >> Jimmy 4D Utility, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 4.3L V6, 5.0L, 5.7L & 7.4L V8 - VINS [W,X,M,R,J] >> Engine Specifications >> Engine Valves & Valve Springs (5.0L & 5.7L)

Engine Valves & Valve Springs (5.0L & 5.7L)

VALVES & VALVE SPRINGS (5.0L & 5.7L)

Application Specification
Valve Face Angle 45°
Minimum Margin .031" (0.79 mm)
Valve Springs
Free Length 2.02" (51.56 mm)
Installed Height 1.69-1.71" (42.92-43.43 mm)
Lbs. @ In. (Nm @ mm) 
Pressure
Valve Closed 76-84 @ 1.7 (338-374 @ 43.2 mm)
Valve Open 187-203 @ 1.27 (832-903 @ 32.3 mm)