I'm currently rebuilding my 1993 A604. I can't find anything about which direction the tapered snap rings should face when being reinstalled. I have the FSM and the ATSG trans manual and update book. Does anyone here have experience with the ALTO power pack for the overdrive clutch? I bought one to put in but I can't get proper clearance with it. I took it out and put in the stock overdrive clutch and the clearance was fine. I then measured the thickness of the ALTO and stock clutches and the ALTO is . 026 thicker. How can it possibly fit in the same space and have the similar clearance spec?