A833 gearbox 4th gear doesn't work

the 3 things that are coming out of position are called struts, there are 2 strut springs with a tang that go inside the back of the struts. something is not assembled correct or worn. a shifter with stops adjusted correct may help. the remove of every other tooth is called slick shift race modification by chrysler, done to speed shifting, did not involve grinding on shift linkage or forks