Econoline E250 3/4 Ton V8-5.4L CNG VIN M (1998)
Valve: Specifications
GENERAL SPECIFICATIONS
Valve Stem Guide Clearance
Intake ................................................................................................................................................................................................. 0.069-0.020 mm
Exhaust .............................................................................................................................................................................................. 0.095-0.045 mm
Valve Head Diameter
Intake ................................................................................................................................................................................................. 44.63-44.37 mm
Exhaust .............................................................................................................................................................................................. 34.12-33.88 mm
Valve Face Runout (Limit) ................................................................................................................................................................................... 0.05 mm
Valve Face Angle ............................................................................................................................................................................... 45.75-45.25 degrees
Valve Stem Diameter
Intake ................................................................................................................................................................................................. 6.995-6.975 mm
Exhaust ............................................................................................................................................................................................. 6.970-6.949 mm
Valve Stem Diameter (List Oversizes)
Intake ..................................................................................................................................................................................................................... N/A
Exhaust .................................................................................................................................................................................................................. N/A
