Originally Posted by therealcreeper
typically the drivers side sits a bit higher. possibly to account for driver weight. but yeah you can lower the back slightly more than the front without problems, although i wouldn't do a full inch more. i have some slp eibach springs for sale if you're interested that'll lower the front of the car about an inch and then you could do some pro-kit or sportline springs in the rear along with the heater hose mod for about a 2 inch drop. or you could run some BMR springs with the heater hose in the back, should put you close to where you want it.
I would not recommend using Eibach sportlines at all. If your dead set on using the prokit, you should use the LT1 set, not the LS1 set.