I think something that may get missed here is that there is no "one setting" for an engine on the stand.
If your assembling the short block and want it to rotate easily the weight needs to be close to the center line of the pivot.
Once that's complete and you want to assemble the long block and rotate it freely the short block needs to be lowered on the mount to accommodate the weight added higher.
A complete engine will rotate easier if if is positioned correctly on the stand.