Moser 12 bolt and Ford 9" help

[Vegas69]

Actually talking about end play not runout. In and Out. The amount the roller bearing allows the axle to move. That is causing my pad knock back. I want to compare to some buddies to see if mine is par for the course. There are quite a few of us that are experiencing pad knock back with Ford 9" and Moser 12 bolts with big ford ends. I mean pretty popular cars on the boards. It doesn't cause any major problem until you take it to the track. Like to hear what you have Ed.