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Home >> GMC >> 1998 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 4.3L V6, 5.0L, 5.7L & 7.4L V8 - VINS [W,X,M,R,J]) >> Engine Specifications >> Engine Valves & Valve Springs (7.4L)

Engine Valves & Valve Springs (7.4L)

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VALVES & VALVE SPRINGS (7.4L)

Application Specification
Valve Face Angle 45°
Valve Springs
Free Length 2.12" (53.8 mm)
Installed Height 1.838-1.869" (46.685-47.479 mm)
Lbs. @ In. (Nm @ mm) 
Pressure
Valve Closed 71-79 @ 1.838 (316-351 @ 46.685)
Valve Open 238-262 @ 1.347 (1059-1165 @ 34.213)