Heres a good one. Brewers just built me a 4 speed, 309 1st gear. The input shaft will only rotate about 30 degrees and clunk to a stop. Back and forth. N/R lever shifts good ,but all shafts are imoveable.1/2 and 3/4 wont shift fully maybe 1st at times. And any movement of input is matched by output shaft at all times. Trans is on a trans jack out of car. Brewers tech is kinda stumped, never heard of this before, but hes shipping me a output yolk to see if I can free it up. Anyone here experienced this?