You're getting bits and piece of advice.

IF you want to manually prime;
You need a long piece of 5/16 hex stock, you probably DONT have that laying around.

Position the damper mark at TDC on compression stroke
Remove Dist cap, and note position of rotor--points to #1 cylinder.
Remove dist.
Document the position of the slot on the Intermediate shaft--where does it point?
Remove Int shaft--long needlenose, twist it out.
Insert hex stock down into oil pump.
run drill Counter clockwise.
You have to reposition the motor while doing this, or drill, reposition, drill etc till you confirm oil everywhere.

Return motor to TDC on comp stroke
Replace Int shaft pointing same way.
Replace dist point same way.
Retime distributor.


But considering 3/4 of your heads are already getting oil, based on your OP, I would think your OK.

You COULD just remove the plugs and spin the motor--it will spin MUCH faster! and thats a whole lot easier in this case.