Lumina V6-3100 3.1L VIN M SFI (1995)
Valve Seat: Specifications
Engine Liter .................................................................................................................................................................................................................. 3.1L
All Measurements Given In Inches Unless Otherwise Specified
Valve Guides
Stem To Guide Clearance ....................................................................................................................................................................... 0.001 - 0.0027
Valve Seats
Seat Angle .................................................................................................................................................................................................................... 45°
Face angle ................................................................................................................................................................................................................... 45°
Seat Width
Intake .................................................................................................................................................................................................. 0.0610 - 0.0710
Exhaust ............................................................................................................................................................................................... 0.0670 - 0.0790
Seat Runout, max. ................................................................................................................................................................................................... 0.001
Valve Springs
Free length ................................................................................................................................................................................................................ 1.890
Installed height, all ................................................................................................................................................................................................... 1.701