I made a few runs this past friday night at the local 1/8th mile track... I have 325/65R18 (33x13.50) nitto's on 18" rockstars. I have the front end leveled with torsion keys. I can't apply any power whatsoever in 4wd or the front reacts violently, by picking up the front of the truck until it tops out on the shocks and creating serious positive camber and toe in and jerking left and right multiple times. 4x4 launches at only 2psi and 2500rpm are impossible and 2wd launches are worthless in a truck.... What needs to be done to allow a 4x4 launch like i see some of these trucks doing? I remember parish's truck used to launch in 4wd.... If its because of my torsion keys i will gladly remove the wheels and tires and lower it back to stock height or even lower... i did an inspection of everything... it all looks great and no bent or broken parts....
2005 silverado ECSB 4x4 1500


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