I want to lower the front and rear of my malibu, the front i will use 2" drop spindles, but the rear has me puzzled. I do not want to loose my travel, ride quality, or geometry in the rear because it works well at the track and rides well. I plan on doing a mini tub t fit the tire, so does one just use a shorter spring? make new brackets for control arm location? what do i use for shocks, units with a shorter travel?