recently i installed some moser axles when i snapped the stock pair at the track ever since then i hear a knocking noise from the rear when axle are loading and unloading i recently jacked car up and found passenger axle had twice as much in and out movement than the driver side i called moser and they said to switch axles side to side and the driver had more movement than the passenger side measured button thickness and found .008 difference from axles moser said normal but i don't agree any suggestion or comments