Thanks for the ideas and the offer for a part # for the rubber seal. I have rubber seals left over from the gasket kit, I chose to buy some rope seals. The crank spun fine if I loosened the rear cap, the one that holds the seal. I have had that cap off to check and plastigage more times than I can count, saw no problems and think the seal was just tight. After spinning it a few times with the starter today to set the valves it seems to turn OK.
Thanks
