New rear leaf springs, Mopar, Espo, Eaton Detriot, or Hotchkis

Anyone know what the story is on the super stock springs? They are two completely different springs, arched differently with the same number of leafs, 5. On the car, will one collapse more than the other for an even ride? Or does the driver side sit higher and then come down at launch?? This stupid spring this is killing me.
Ready, fire, aim. That's my new motto!!
Thanks