Quote:
Originally Posted by FrickingReallySlow
I also have the same DSS Aluminum shaft, finally tested it in 5th and 6th at 100-105mph (on a potholed hwy) and its fine. Just another datapoint really. I don't have any trans/diff bushings/inserts or engine mounts so its all stock with EBSC.
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My first diff had WL bushings on the outrigger and using a cusco diff brace with stock rear bushings. My current diff has stock bushings and I tried with and without diff brace, still did it. I am running solid subframe mounts so that may not be helping. I can still hear whine at high speed with the stock drive shaft but no vibration.