Setup Dev 03 - Antiroll bar
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An antiroll bar is used to resist body roll while cornering. Body roll will exaggerate the camber changes from weight shift and wreak havoc on the aerodynamic forces that the underbody of the car may generate. The larger the ARB, the less body roll. However, this does not necessarily mean that less body roll equates to more grip. The antiroll bar attempts to compensate for body roll by pulling the inside wheel up into the wheel well. By pulling that wheel up, the chassis of the car can stay more level with the track surface. However, that inside wheel being pulled up and off the track greatly reduces the grip that wheel is generating. As a general rule, a softer ARB will equal more grip to the front or rear of the car depending on which ARB you are adjusting. This is probably the easiest setup adjustment to make to regain the neutral car feel. While it may be very normal for me to run very soft ARBs both front and rear, it is always wise to test the full spectrum. I have found that some vehicles will respond better to the less body roll of very stiff ARBs. After changing your ARB settings, recheck each of your tire temperatures and make pressure changes as needed. You may need to adjust camber and caster settings as well. TIP: Softer ARBs will help equalize left-to-right side tire temperatures.
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