WERA racer Charles Strong was shredding tires at a late-2009 WERA West round in Las Vegas. He asked Dave Moss of Catalyst Reaction Suspension Tuning to have a look, and Dave found that Charles was over riding the rear spring, which had too much pre-load to allow the shock to work properly. This is a two part series: Be sure to check out other Roadracing World feature videos. Video provided by ~http://www.OnTheThrottle.tv~ and ~www.YouTube.com~