Thanks for the reply :)
The gimble bearing is brand new and has no out-of-spec play in it - or at least it has such little play that the only variance is the 1/32 wobble in the alignment tool.
Hello - long time lurker and first time poster here!
Old flywheel / engine coupler used on a rebuild 454. The coupler looks to be in good shape. When I went to align the drive I noticed that when I rotate the alignment tool there is a slight wobble, 1/32nd to 3/64th (ish?) of a wobble at the...