chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Drive Belts, Mounts, Brackets and Accessories > < Valve Spring|Specifications|Page 2497
Page 1
background image

Valve: Specifications

Stem Clearance:

Intake .....................................................................................................................................................................  0.026-0.069 mm (0.0010-0.0027 inch)
Exhaust ..................................................................................................................................................................  0.026-0.069 mm (0.0010-0.0027 inch)

Valve Angle (Intake and Exhaust):

Face ..............................................................................................................................................................................................................................  45°
Seat ...............................................................................................................................................................................................................................  46°

Valve Lash ......................................................................................................................................................................................................  Not adjustable
Valve Protrusion [1] .............................................................................................................................................  -0.86 to -1.22 mm (-0.034 to -0.048 inch)
Valve Runout (Intake and Exhaust) .......................................................................................................................................................  0.5 mm (0.002 inch)

[1] Negative, because the valve is recessed inch the head.

Drive Belts, Mounts, Brackets and Accessories > < Valve Spring|Specifications|Page 2497