F 350 2WD Pickup V8-460 7.5L VIN G EFI (1997)
Lifter / Lash Adjuster: Specifications
DIMENSIONS
Valve Tappet
Standard Diameter ............................................................................................................................................................................... 0.8740-0.8745 inch
Clearance To Bore(a) .......................................................................................................................................................................... 0.0007-0.0027 inch
Leak-Down Rate(b) .................................................................................................................................................. 10 to 50 seconds for 1/16 inch travel
Collapsed Tappet Gap (clearance)
Allowable .......................................................................................................................................................................................... 0.075-0.175 inch
Desired .............................................................................................................................................................................................. 0.100-0.150 inch
(a) Service limit - 0.005 inch.
(b) Time required for plunger to leak-down 0.0625 inch under load of 50 lbs. using leak-down fluid in tappet.
