Hello all! I'm brand new to this scene and drive a 1999 C1500 Suburban. I've read (at DJM's website, I believe) that a 3" rear drop is about all you have room for without a C-notch. On various sites, I've found 3" lowering shackles, or the combo of 2" brackets and 1-2" shackles. I'd be happy to...