Yes, that wording is confusing. It is much easier than that. As a12datto120y says you only need to put the engine at TDC and adjust four of the valves, and then rotate one full turn and adjust the other four.


For another description of the procedure, see our article Adjusting Valves

Distributor Rotor pointing to #1 plug wire
* adjust valves 1,2,3,5 (counting from front of engine)

Distributor Rotor pointing to #4 plugs wire
* adjust valves 4,6,7,8