318 piston ring gap

So, I have a 88 roller 318 I'm thinking about freshening up for my 87 Ramcharger. It will be stock except for a spreadbore Intake. The motor has beautiful cylinders. No ridge and still has some cross hatches visible. Now, before I start popping pistons out, I look in the engine bible and they say the gaps should be .012/.014" top, .006/.009 second. My FSM, says .010-.020" both rings. I have a new set of Hastings rings and the box says .004 per 1" bore which = .016".
Which do I go by? The FSM for 1987, the rings or the DC bible?