430 on Megans

So I bought a set of Megans for my 430 about a week ago and got them installed this past weekend. I quickly bottomed out the bodies on the back coilovers and even though I thought it was low enough at first, I have since decided it definatley is not. 
 
So my question is: I would like to drop it another 3/4" all around and even though Ive got lots of adjustment left in the front, the backs are bottomed. What should I do to get it lower? Play with the preload on the springs? I talked to Megan about that and they didnt seem to like that idea at all...
 
Any suggestions you guys can give me would be awsome. Also, what have you guys done to reduce rubbing in the front? I dont rub barely at all right now but if I go down another 3/4" I definately will when I turn. Do I just need to trim up the inside of the fenders? 
 
Thanks.
 
BTW, here is a pic as it sits now. The front is about 1/2" lower, it just looks higher because its on the hill. 
 
[IMG]http://i102.photobucket.com/albums/m105/bWiLKINS_01/IMG_9434.jpg[/IMG]

ss kit will give you what you're looking for.

same issue i got up front on my gs on megans.