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Home >> Sterling >> 1987 >> 825 S, 2.5 B >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 2.5L V6 >> Engine Specifications >> Valve Spring Specifications
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Valve Spring Specifications

VALVE SPRING SPECIFICATIONS

Application In. (mm)
Intake
Inner
Free Length (1) 1.89 (48.0)
Pressure Lbs. @ In. (Kg @ mm)
Valve Closed n/a
Valve Open n/a
Outer
Free Length 2.16 (54.9)
Pressure Lbs. @ In. (Kg @ mm)
Valve Closed n/a
Valve Open n/a
Exhaust
Inner
Free Length (2) 1.79 (45.5)
Pressure Lbs. @ In. (Kg @ mm)
Valve Closed n/a
Valve Open n/a
Outer
Free Length (3) 1.93 (49.0)
Pressure Lbs. @ In. (Kg @ mm)
Valve Closed n/a
Valve Open n/a
(1) Inner valve spring free length service limit is 2.05" 52.0 mm).
(2) Inner exhaust valve spring free length service limit is 1.73" (43.9 mm).
(3) Outer exhaust valve spring free length service limit is 1.91" (48.6 mm).
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