[header] How to set up a race car in the shop before racing [title] Weigh the vehicle. [step] Set it to the proper racing weight including all fluids such as fuel, coolant and oil (this weight is usually the minimum weight required by your home track). [title] Determine the tire stagger to be used. 
[step] Install a set of tires that will give you this setting with the proper air pressure in the tires. ( don't overinflate or under inflate a tire to obtain proper stagger.