Town Car V8-4.6L VIN W (1997)
Valve Seat: Specifications
NOTE: Specifications are for intake and exhaust unless noted.
Angle ............................................................................................................................................................................................................................... 45 °
Contact Width ................................................................................................................................................................. 1.9-2.1 mm (0.0748-0.0827 inch)
Narrowing Angle
Top ............................................................................................................................................................................................................................... 30°
Bottom:
Intake ...................................................................................................................................................................................................................... 60°
Exhaust ................................................................................................................................................................................................................... 60°
Runout, Maximum ....................................................................................................................................................................... 0.025 mm (0.00098 inch)
