Valve Spring: Specifications

1982 Chevrolet Citation L4-151 2.5LSECTION Specifications
Valve Spring Free Length 2.08 Inch (in)
Valve Spring Installed Height 1.66 Inch (in)
Seat Pressure 78-86 at 1.66 Pound Force At Inch (lbf @ in)
Compressed Pressure 122-180 at 1.25 Pound Force At Inch (lbf @ in)
Note: 1985-86, 170-180 lbs. @1.26 inches.
Out Of Square Limit 0.062 Inch (in)
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.