Has anybody tried to raise their rear end by putting coil spring spacers in between the coils on the rear? I remember this used to work on older cars, you jack the car up from the rear and then the coil springs seperate, then you put the spacers, which were made out of hard rubber or metal in between the coils and then you lower the cars, and since the coils can't compress to where they were because of the spacers the cars is raised up a bit! The ride may be a little rougher. Just curious if anyone has tried this, I am thinking about giving it a shot.