Surface Variation -- Head-to-Block

5.4L (Engine / Cylinder Head And Valve Train):

5.4L (Hydraulic Valve Adjuster / Camshaft / Cylinder Block / Crankshaft / Piston And Connecting Rod):

5.4L (Piston And Connecting Rod):

a Time required for the plunger to leak down 1.6 mm of travel with 222 N force and leak-down fluid in the lash adjuster.

b Full indicator measurement on all journals when supported on front and rear journals (4 places).