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After reinstalling the coilover assemblies, wheels and tires, the next step is measuring the height of the springs once again with the car resting on level ground. This will be used as the "L" value in the spring rate equation. Anything that may interfere with the movement of the control arms and rearend, such as bump stops, should temporarily be removed. On most cars, there will be very little front-to-rear variation in terms of how much the springs collapse at ride height.