Over 70 mph vibration during acceleration only, caused by tapered rear lift blocks. The fix was to use straight cut blocks. Below is information on the kit I used as well as other tools and related videos.

In this part 5 video my brother and I will be installing the rear suspension lift blocks, u-bolts and shocks. Off camera we adjust the front torsion bars to set ride height and perform a front end alignment.

This is a multi-part series on installing a 3" lift kit on a 2009 Chevy Silverado 2500 HD. This kit was purchased at http://www.rockymountainsusp.com/ and was manufactured by Zone Offroad.

This is a multi-part series on installing a 3" lift kit on a 2009 Chevy Silverado 2500 HD. This kit was purchased at http://www.rockymountainsusp.com/ and was manufactured by Zone Offroad.

This is a multi-part series on installing a 3" lift kit on a 2009 Chevy Silverado 2500 HD. This kit was purchased at http://www.rockymountainsusp.com/ and was manufactured by Zone Offroad.

  1. ScannerDanner "Tried To Diagnose...Can't"
  2. Silverado 2500 lift kit install - torsion bar keys (part 1)