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Home >> Ford >> 1986 >> Ranger 2WD V6-177 2.9L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Valve Spring

Valve Spring

Free Length Intake 1.91 Inch (in)
Free Length Exhaust 1.91 Inch (in)
Out Of Square Limit 0.078 Inch (in)
Installed Height Intake 1.578-1.609 Inch (in)
Installed Height Exhaust 1.578-1.609 Inch (in)
Spring Pressure, Closed, Intake 60-68 at 1.585 Pound Force At Inch (lbf @ in)
Spring Pressure, Closed, Exhaust 60-68 at 1.585 Pound Force At Inch (lbf @ in)
Spring Pressure, Open, Intake 138-149 at 1.22 Pound Force At Inch (lbf @ in)
Spring Pressure, Open, Exhaust 138-149 at 1.22 Pound Force At Inch (lbf @ in)