The rear stagger should be matched to the racetrack and not used to correct handling problems. A racetrack will require a certain amount of rear stagger, depending on the radius of the turns and the banking angle. The track turn radius you will use to determine the correct stagger matters the most where the car will be accelerating. The accelerating-portion radius (exiting one-third of the turn) might be larger than the midturn radius. With cars that use the Detroit locker rear differentials, less stagger should be used than would be dictated by the middle radius so that both rear wheels are turning the same rpm off the corner.