I have the same issue. I figured the instructions were wrong since the bushings are between the core support and frame, and on top of the core support. Not under the frame like the instructions say. Plus it won't fit that way because of the square hole in the frame. I haven't put in the new set yet, waiting on the transmission to get back before I put the core support back in. I would assume that the larger bushings go under the core support, but they look too thick. I guess it's a trial and error to see what fits. I also had a bunch of washers in there, so I would say that's normal.