I may be waaay off base here but won't shorter lower control arms only shorten the bottom? Reminds me of an old front end alignment poster called crooked wheels. He He HE
I didn't excel in geometry in high school but somethin' sounds crooked here.
I like Streets idea. If ya' got 15's on it now put a set of 14''erz 'er 13" on it w/ low profile skins. ???