gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Valve Spring|Specifications|Page 1435 > < Valve Seat|Specifications
Page 1
background image

Valve Spring: Specifications

Valve Spring

Free Length ....................................................................................................................................................................................   48.5 mm (1.91 in)

Pressure 

Closed .......................................................................................................................................................   391 Nm @ 40 mm (289 ft. lb. @ 1.57 in)
Open  ......................................................................................................................................................  867  Nm @ 30 mm (641 ft. lb. @ 1.181 in)
Installed height ..................................................................................................................................................................................   40 mm (1.57 in)

Valve Spring Damper

Free Length ....................................................................................................................................................................................   47.2 mm (1.86 in)
Approx. # of Coils .....................................................................................................................................................................................................   4

Valve Spring|Specifications|Page 1435 > < Valve Seat|Specifications