8BA timing mark

[69a]

If the engine is running, #1 piston is getting it's spark within 30 degrees of the pointer. The distributor is just there to share the spark around. You don't have to alter the distributor.
If you connect the timing light to #1 or #6 the mark will be close.
Try laying the light on the engine with ignition on and turn the engine over by hand until you see the light flash, you might have to turn it over 720 degrees. Now check to see where the timing dimple is.