Fresh engine, wiped cam? Tick? (new pics added)
you can get both lobes for a cylinder on the base circle at the same time. just rotate the engine slowly until both lifters are bottomed out.
This should help you understand what you are dealing with:
http://image.chevyhiperformance.com/f/18049893+w750+st0/0905chp_04_z+lobe_separation_angle+chart.jpg
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