dragboatdad Posted October 6, 2019 Report Share Posted October 6, 2019 2010 gt500. Recently had gears changed from 355 to 411. Since then I have developed a vibration starting at about 65mph. It intensifies with speed. It feels like I would think a out of balance driveshaft might feel like. I changed the upper control arm, a little improvement . No sign of any weights missing from driveshaft. Any idea's? What could be the connection with new new gears. Thanks in advance. Quote Link to comment Share on other sites More sharing options...
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