On my car I had to change the setup a lot to get the radials to work on a consistant basis. My rear shocks are set to full soft on both compression and extension. When the traction is really good in cooler weather I can tighten the compression some. I also have front coilovers and have been going to lighter and lighter front springs to store more energy. I also put the front of the ladder bars up a hole to hit the tire harder. These radials since they don't rinkle really need to be hit hard. Also put a little weight in the trunk. Hope some of this helps. I run the pro drag radials because when they hook they are deadly consitant so getting them to be happy every pass is the name of the game for me. Good luck.