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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (2.5L 4-CYL - VIN [K]) >> Engine Specifications >> Valves & Valve Springs Specifications

Valves & Valve Springs Specifications

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Dodge Dakota, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
VALVES & VALVE SPRINGS SPECIFICATIONS

Application Specification
Intake Valves
Face Angle 45°
Head Diameter 1.60" (40.6 mm)
Minimum Margin .031" (.79 mm)
Stem Diameter .3124" (7.935 mm)
Exhaust Valves
Face Angle 45°
Head Diameter 1.39" (35.3 mm)
Minimum Margin .047" (1.19 mm)
Stem Diameter .3103" (7.882 mm)
Valve Springs
Free Length 2.39" (60.7 mm)
Installed Height 1.62-1.68" (41.1-42.7 mm)
Out-Of-Square .079" (2.01 mm)
Pressure (1)
Valve Closed 108-120 @ 1.65 (49-54 @ 42)
Valve Open 195-215 @ 1.22 (89-97 @ 31)
(1) Lbs. @ In. (kg @ mm).