Well it looks fine if that doesn't have you in a coil bind. If that is bottomed out you need more preload.
Really what you need is to go to
www.racetech.com and see what they recommend as static sag and loaded sag. You will need a friend and a tape measure. Actually the intsructions are there on the site...
http://www.racetech.com/SubMenu.asp?...howPage=street