nearly all members are keenly aware of the precision of the original parts, and "made from Ford blueprint" seems to be the new watchword. it will be highly interesting to read his results. I share his recollection of how poorly the two repro shafts fit back in the '70s.
still, I wonder how much net difference in performance would be gained in this regard with the best of the best. everyone's goal is to have the quiet running smooth-power train of yore and there are apparently numerous factors involved.