1 - Cylinders numbering front to rear:
Right bank 1234 left bank 5678
2 - tighten rocker arm adjusting screw to
eliminate all push rod end clearance,
then tighten screw number turns listed.
3 - Clearance is obtained at valve stem tip with
hydraulic lifter collapsed. If clearance
is less than minimum, install an undersize
push rod. If clearance is greater
install an oversized push rod.