Place two jack stands below the axle tubes for support. I am looking into getting a CalTrac type traction bar setup for my LUV.I found some solid info on the website "Hotrods and Hemi's. CALTRACS INSTALL GUIDE - STANDARD. The cal tracs were designed to work only with a mono leaf set up. Park truck on a flat work area, chocking the front tires is advised to avoid rolling. Drag Racing 60ft with caltracs on 10 bolts What kind of 60ft times are you guys pulling on a caltrac set up and 10 bolts? I was wondering how well would the caltracs work with the Extra Hd springs (the hemi springs) on a 69 Charger ? I was talking to a chasis shop down the road from my place and filled him in on my slick spinning problem. Adjust bars equally side to side.