What order do the wires go into the distributor cap on a 1972 Datsun 240Z streight 6?

For a 1972 Datsun 240Z with a straight-six engine, the correct firing order is 1-5-3-6-2-4. When connecting the spark plug wires to the distributor cap, start with cylinder 1 at the cap's terminal. The wire sequence should follow the firing order, moving clockwise around the distributor cap. Make sure to verify the cylinder layout to ensure proper installation.