ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Valve Spring|Testing and Inspection > < Valve Seat|Runout|Page 2500
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Valve Spring: Specifications

DIMENSIONS

Valve Spring Compression Pressure Specification

Intake (N @ Spec. Length)  .......................................................................................................................................................  667.3 N @ 28.02 mm
Exhaust (N @ Spec. Length)  ....................................................................................................................................................  667.3 N @ 28.02 mm

Valve Spring Free Length

Intake  .............................................................................................................................................................................................................  50.2 mm
Exhaust  ..........................................................................................................................................................................................................  50.2 mm

Installed Pressure N @ Spec. Length

Intake  .........................................................................................................................................................................................  289.1N @ 40.01 mm
Exhaust  ......................................................................................................................................................................................  289.1 N@ 40.01 mm

Installed Pressure N @ Spec. Length Service Limit

Intake  .....................................................................................................................................................................................  274.6 mm @ 40.01 mm
Exhaust  ..................................................................................................................................................................................  274.6 mm @ 40.01 mm

Valve Springs-Out of Square Limit

Intake  ........................................................................................................................................................................................................  2.5 degrees
Exhaust  ......................................................................................................................................................................................................  2.5 degrees

Valve Spring|Testing and Inspection > < Valve Seat|Runout|Page 2500