Watch the #6 valves as you turn the engine over by hand. The last valve in line is exhaust. Watch it open, then start closing. Just as the next (#6 intake) valve begins to move, look at the distributor rotor. It should be pointing at the #1 plug wire. If not, use whatever cap terminal it's pointing toward as #1, and wire the rest clockwise, 5-3-6-2-4. After that, the engine will start.
Jerry