29 years after a rebuild....

nm9stheham said
That is a LOT of movement somewhere. Could some of that 'clearancing' on the rockers have been ground intentionally?

Reading your ruler, height looks like about 1.700-1.710".... about .050-.060" above stock.

Can you show a pic of the chambers with the valves closed?

I don't think they were clearenced., I know I didn't and that was the worst one. With a straight edge the valves seem aligned with each other and the same height. No, I have not pulled the heads off yet, don't anticipate doing that until end of the month unless something changed in my schedule.
More pics, spring diameter, and one of the rockers with less wear.