B4000 SE Cab Plus 4WD V6-4.0L OHV (1997)
Valve: Specifications
Valve Stem To Guide Clearance:
Intake ........................................................................................................................................................................................................ 0.0008 - 0.0025
Exhaust ..................................................................................................................................................................................................... 0.0018 - 0.0035
Service Clearance .................................................................................................................................................................................................... 0.0055
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:
Standard:
Intake .................................................................................................................................................................................................. 0.3159 - 0.3167
Exhaust ............................................................................................................................................................................................... 0.3149 - 0.3235
0.008 Oversize:
Intake .................................................................................................................................................................................................. 0.3239 - 0.3245
Exhaust ............................................................................................................................................................................................... 0.3228 - 0.3235
0.016 Oversize:
Intake .................................................................................................................................................................................................. 0.3318 - 0.3324
Exhaust ............................................................................................................................................................................................... 0.3307 - 0.3314