Back in the day when I was learning, and when this vintage of engine was in production, I was always taught to torque them with dry threads. I'd be interested to hear others say what they have learned on the matter.
Being oiled when they are supposed to be torqued dry will lead to considerable increase in clamping force, bolt tension, and block distortion. But I suspect you are right that they will torque more evenly with lube.
