Has anyone used the Rough country 1.5" leveling springs in the front of their truck? If so how are they and how was the install? I have 97 XLT reg cab that sags pretty bad in the front. I am tossing up the idea of either just replacing the front coils with stock coils, or going with the rough country's. Also will I need to replace the shocks as well if I go with the 1.5" leveling springs? Thanks!