Oldsmobile Workshop Service and Repair Manuals

Valve Seat: Specifications

Engine Liter/VIN ......................................................................................................................................................................................................  4.0L/C

All Measurements Given In Inches Unless Otherwise Specified

Cylinder Head Warpage Limit ........................................................................................................................................................................................  .002
Valve Guides

Standard Inside Diameter ......................................................................................................................................................................................  0.235
Stem To Guide Clearance

Intake ........................................................................................................................................................................................................  0.001-0.003
Exhaust .....................................................................................................................................................................................................  0.002-0.004

Valve Seats

Seat Angle ..............................................................................................................................................................................................................  46deg.
Seat Width

Intake ...................................................................................................................................................................................................................  0.003
Exhaust ..............................................................................................................................................................................................................  0.0035

Runout ...........................................................................................................................................................................................................................  0.002