i myself have no problems with a 3 inch drop. ingalls and sprint both make 3 degree camber kits for front and back respectively. so, if worst case scenario you have -3 degrees rear and -4 degrees front, you can use these kits to get you back to stock specs (-1 front and 0 rear i think)

1995 Eclipse GS - HRC Stage 2 - Retired.
2004 350z Enthusiast / 2008 Nissan Versa SL