i just bought 2inch drop springs from dynamic racing they say two inch on add anyway,does anyone know if thats how much for sure they lowe,my cars a 1995 mustang gt saphire blue automatic my friend has a 2001 mustang gt with eibach sportlines which is 2.0 in front and 1.8 in rear and he says that 2.0 will be to much of a drop and will rub i got 18" bullit chrome rims what would be a good size tire to use with this lowering kit or can i use this much of a lowering kit