whats the best way to set up a rear leaf sprung suspension for drag racing launches? vehicle is a longbed pickup lowered w/ 4" leaf springs.. how can i get the rear end to lift up under take off instead of squatting. i was planning on a rear sway bar and a pair of slapper bars, is there something else i should i consider? will the slapper bars plant the rear end like i want? or just prevent axle wrap.