>went and drove it yesterday and found that it starting vibrating very >badly above 55 mph (the first time either of us has driven it at highway mark: very likely the driveshaft, which is supposed to be in a straight line. tool 3139 is used to align the shaft. anyone actually used this tool or even seen it? frank to: IN:mnelson@brls.com cc: IN:quattro@coimbra.ans.net