Every Mopar enthusiast worth a Fender Tag dreams of one day being able to open his garage door and see an abnormally long B-Body with a pointed snout and mile-high wing perched above the decklid. You know it's true. The winged cars are easily Mopar's most recognizable high-performance machines of the era.
I have found it helpful to do the stretching exercises my physical therapist recommends. Do some core strengthening exercises, such as the ones highlighted at The Mayo Clinic. By keeping your core strong, your back won't put itself in a position to cause that sciatica pain you are having.