Valve Spring Specifications

1987 Chevrolet Monte Carlo LS, 4.3 ZSECTION Valve Spring Specifications
VALVE SPRING SPECIFICATIONS

Application Specification
Free Length (1) 2.03" (51.56 mm)
Pressure (2)
Valve Closed 76-84 @ 1.70 (34-38 @ 43.2)
Valve Open 194-206 @ 1.25 (88-93 @ 31.8)
(1) Damper spring free length is 1.86" (47.2 mm).
(2) Lbs. @ In. (Kg @ mm).
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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