Pontiac Workshop Service and Repair Manuals

Valve Seat: Specifications
Valve Seats

Seat Angle  .......................................................................................................................................................................................................................  46°

Seat Runout (Max)....................................................................................................................................................................................0.25 mm (0.001 in.)

Seat Width

Intake .................................................................................................................................................................................1.55-1.85 mm (0.061-0.073 in.)
Exhaust ..............................................................................................................................................................................1.70-2.00 mm (0.067-0.079 in.)