Ranger 4WD V6-3.0L VIN U (1997)
Valve: Specifications
DIMENSIONS
Valve Stem to Guide Clearance
Intake ................................................................................................................................................................ 0.026-0.068 mm (0.001-0.0027 inch.)
Exhaust ........................................................................................................................................................... 0.038-0.081 mm (0.0015-0.0032 inch.)
Valve Head Diameter
Intake .......................................................................................................................................................................................... 40.0 mm (1.57 inch.)
Exhaust ....................................................................................................................................................................................... 33.0 mm (1.30 inch.)
Valve Face Runout Limit ................................................................................................................................................................ 0.05 mm (0.002 inch.)
Valve Face Angle ......................................................................................................................................................................................................... 44°
Valve Stem Diameter (Std.)
Intake ............................................................................................................................................................. 7.960-7.940 mm (0.3134-0.3126 inch.)
Exhaust ........................................................................................................................................................... 7.948-7.928 mm (0.3129-0.3121 inch.)
Oversize
Intake .............................................................................................................................................................. 8.340-8.320 mm (0.3283-0.3276 inch.)
Exhaust ........................................................................................................................................................... 8.328-8.308 mm (0.3279-0.3271 inch.)
Oversize
Intake .............................................................................................................................................................. 8.720-8.700 mm (0.3433-0.3425 inch.)
Exhaust ........................................................................................................................................................... 8.708-8.688 mm (0.3428-0.3420 inch.)
