Ranger 2WD V6-245 4.0L VIN X SFI (1997)
Valve: Specifications
DIMENSIONS
Valve Arrangement (Front to Rear)
LH ............................................................................................................................................................................................................. I-E-I-E-I-E
RH .............................................................................................................................................................................................................. E-I-E-I-E-I
Valve Stem-to-Guide Clearance
Intake ............................................................................................................................................................................................ 0.0008-0.0025 inch
Exhaust .......................................................................................................................................................................................... 0.0018-0.0035 inch
Service Clearance ...................................................................................................................................................................................... 0.0055 inch
Valve Head Diameter
Intake .......................................................................................................................................................................................... 43.5 mm (1.71 Inch.)
Exhaust ....................................................................................................................................................................................... 34.5 mm (1.36 Inch.)
Valve Face Runout Limit ................................................................................................................................................................................. 0.002 Max.
Valve Face Angle ......................................................................................................................................................................................................... 44°
Valve Stem Diameter (Std.)
Intake ............................................................................................................................................................................................ 0.3159-0.3167 inch
Exhaust .......................................................................................................................................................................................... 0.3149-0.3156 inch
Valve Stem Diameter (0.008 inch Oversize)
Intake ............................................................................................................................................................................................ 0.3239-0.3245 inch
Exhaust .......................................................................................................................................................................................... 0.3228-0.3235 inch
Valve Stem Diameter (0.016 inch Oversize)
Intake ........................................................................................................................................................................................... 0.3318-0.3324 inch
Exhaust ........................................................................................................................................................................................ 0.3307-0.3314 inch
