Econoline E350 1 Ton V8-7.3L DSL Turbo VIN F (1998)
Valve: Specifications
GENERAL SPECIFICATIONS
Valve Arrangement Front to Rear
LH ........................................................................................................................................................................................................ I-E-I-E-I-E-I-E
RH ........................................................................................................................................................................................................ E-I-E-I-E-I-E-I
Valve Stem-to-Guide Clearance
Intake ................................................................................................................................................................................ 0.140 mm (0.0055 inch) (a)
Exhaust ............................................................................................................................................................................. 0.140 mm (0.0055 inch) (a)
Valve Face Angle
Intake .......................................................................................................................................................................................................... 30 Degrees
Exhaust .................................................................................................................................................................................................... 37.5 Degrees
Valve Face Runout TIR Maximum ................................................................................................................................................ 0.050 mm (0.002 inch)
Minimum Valve Face Margin
Intake ......................................................................................................................................................................................... 2.84 mm (0.112 inch)
Exhaust ...................................................................................................................................................................................... 1.37 mm (0.054 inch)
Valve Stem Diameter ........................................................................................................................................ 7.921-7.939 mm (0.31185-0.31255 inch)
Valve Head Recession Relative to Deck Surface
Intake ....................................................................................................................................................................... 1.17-1.47 mm (0.046-0.058 inch)
Exhaust .................................................................................................................................................................... 1.32-1.63 mm (0.052-0.064 inch)
a
Service clearance - 0.0055
