Oil clearances and a surprise

Thank you, Duane, for the chart. I need to buy that book. The factory specifications are really tight.

Since I last posted my main bearing clearances are .002" to .0024" and my rod bearing clearances are .002" to .0023", with fully grooved main bearings. A little tight but I'm starting to think that it will work.
My drag only motor clearances came in at .0019 on the mains and between .0025-.0027 on the rods. I am running it.