I was just trying to help a guy asking about what is done to the chassis. . Do not seek aero downforce at the expense of aero drag increase. There are ways to do that without changing the handling at other points around the racetrack. When the LF is too cold, the RR spring is too soft. 358091 FAB IMPALA, NO UPPER MOUNTS. March 27, 2015. Aug 24th 2005. Your statement that the 3-link is what the metrics needed to level the playing field is the type of feedback that tech. Basically, if the suspension mounting points must remain stock, the leaf spring cars will dominate (at least on ashpalt.). 321. Metric Four-Link Suspension Design - Circle Track Magazine - MotorTrend Told me he might be going to Lebanon to run now. 2.Now set toe out. It costs just as much money, if not more, to run poorly, so you might as well learn to run well.