I know this has been asked, but I can't find it...I know that the gsr motor I have weighs more that my old ex, but I want to run 17's, but how my car sits now i tuck my 15's with a 60 profile...i mean tuck too. it sux...but what would you recomend, best drop size? I was gonna do a 1.75... but i am looking for a 2" drop....what springs can I use ?