Note. Normally, valve adjustment is not required. If valve train components are disassembled or replaced, use adjustment procedure.
- Bring No. 1 cylinder to firing position and align timing marks on front cover and harmonic balancer. Adjust exhaust valves on cylinders No. 1, 3, 4 and 8 by backing off adjusting nut until valve lash is felt at push rod.
- Tighten adjusting nut (while rotating push rod) until valve lash is eliminated. Tighten adjusting nut an additional 3/4 - 1 1/4 turns. Repeat adjustment on intake valves for cylinders No. 1, 2, 5, and 7.
- Turn engine one revolution to firing position for cylinder No. 6. Adjust exhaust valves on cylinders No. 2, 5, 6 and 7. Adjust intake valves on cylinders No. 3, 4, 6 and 8.