I am going to lower my 1998 Ram SS/T using Belltech coils, leafs, and shocks. I have a couple questions. Do I have to drop my gas tank? Can you just unbolt the straps and push the tank over toward the passenger side to access the driver's side front leaf spring hanger bolt? When installing the front coils, do you separate the steering knuckle at the upper or lower ball joint? Anything else I need to look for?