F 150 4WD Pickup V8-4.6L SOHC VIN W (1998)
Lifter / Lash Adjuster: Specifications
GENERAL SPECIFICATIONS
Diameter (STD) ......................................................................................................................................................... 16.000-15.988 mm (0.66-0.629 in.)
Clearance to Bore ......................................................................................................................................................................... 0.016 mm (0.00063 in.)
Hydraulic Leakdown Rate (a) ....................................................................................................................................................................... 5-25 Seconds
Collapsed Valve Tappet Gap- Desired ...................................................................................................................... 0.085-0.45 mm (0.0335-0.0177 in.)
a. Time required for the plunger to leak down 1.6 mm of travel with 222 N force and leak-down fluid in tappet.
