Have you tried searching the forum? I see this is your first post..... You might want to post this in the actual LS400 thread and not the "Build" thread.
AKA "Dirty Mike"
(93 LS4) - 5spd swap, Megan coils, 95+ big brakes with Goodridge stainless brake lines. S&S Headers with a custom exhaust, Motegi Touge's 18x9F and 18x10R, Welded diff, and vortech/procharger coming soon..... Best 1/4 mile so far 14.9 @ 97