60 foot was 1.35 with the cal tracs in upper hole with no pre load and I have Afco double adjustable shocks with 7 inch ext. not bottoming out the shock. Its a 540 predator headed mopar with turbo 400 trans with 4.57 gears. Launching off the trans brake at 5000rpm in video. Split mono springs, sliders and a anti roll bar set at neutral