You can now record your wheel weights, partial weights and percentages. Settle the car after each time you raise it with a jack or make an adjustment. Try to do the settling procedure consistently as this will help you obtain repeatable results. By settling the car and shaking the roof bar you are helping to insure that the shocks are not hanging up and that you have worked out any small binds in the suspension points. Then do the same at the front.Īfter settling the front and rear I like to grab the roof roll bar and shake the car several times.
At this point, give the rear of the car a firm settle by placing your knee on the rear bumper. Verify that the sway bar is disconnected or completely neutral with plenty of slop. Place the car in gear or use a stop to keep the car on the scales. Jack up one side at a time and slide the pads under the tires. The control box should now read zero and you are ready to place the pads under the car. Check that there is no weight on the scale pads and press the zero button.
Make sure that the cables are plugged into the correct pad and turn the scales on. Set the scale pads next to the appropriate tire and hook up the cables. Now that you have a level surface you can roll the car into position. Consistency is the goal when scaling so weighing the car in the same spot each and every week will improve your chances of having a great handling car. Mark the shims or trays with LF, RF, LR, RR so that you can quickly repeat the process each and every week. Should the floor have low spots you can use simple shims to make all four scale pads level or utilize some leveling trays to speed up the job.
Make sure that you mark the floor to match up with your wheel base and track width. Spend a few minutes with a good level and straight edge and mark four spots on the floor that you can use each time you want to scale the car. Now that you are ready for your final scaling procedure you will need to find a level area to weigh the car. Emphasis should be placed on being race ready before you begin the final scaling procedure as all of these factors will have an effect on the end result. You will also need to take advantage of the maximum left side weight and check to see if your total weight is within the rules and the front to rear balance is where you and your chassis builder want it. Fluid levels need to be topped off, stagger & tire are pressure set, ride heights adjusted, Caster adjusted, Camber set, rear end square and the toe checked. In order to achieve proper and repeatable weight balance a quality set of electronic scales will need to be obtained.īefore you begin the scaling process you should make sure that the car is race ready.
Race car cross weight driver#
Proper chassis set up requires that the weight balance is set correctly for the car, driver and track conditions. Scaling your race car is arguably one the most important practices that you can do to increase your chance of visiting victory lane.
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