Race Car Anti Roll Bar Setup

For example the rear e36 m3 sway barbarian has two adjustment holes.

Race car anti roll bar setup.

Most drag race cars can benefit from installing an anti roll bar setup in their race cars. It is the front roll stiffness divided by the total roll. Front roll couple percentage describes lateral load transfer distribution front to rear and subsequently the handling balance. Anti roll bars belong near the top of this list because they are going to be the primary way that a driver adjusts the car s balance and will be one of the most frequently adjusted settings.

After entering car and suspension values it calculates. An anti roll bar is a metal tube which connects the suspension assembly on one side of the car to the other side. As a result as soon as one wheel moves up or down the other wheel is forced to follow that motion. The arb connects the suspension elements of two wheels on the same axle.

Anti roll bars are an important tuning aid. The red component in the illustration below is an anti roll bar which nearly every racing car has on its rear and or front axles. They do not affect how the suspension works until you enter a corner. From there you can tune the bars to your driving style.

This setup will give your car a reasonable understeer baseline. We usually preload our anti roll bars by installing the links neutral at ride height at full race weight and then lengthening the passenger side link 1 2 to 3 4 turns. The anti roll bar is typically installed in the rear suspension to allow the chassis tuner to pre load the connection between the rear differential and the frame which leads to consistent and straight launches. Connect links to the rearend housing and preload it as needed.

Changing spring rates and anti roll bar settings is a really important step in racing to make your car handle better and improve your laptime. There is usually one on each axle of the car although older cars or cars with certain suspension designs may only have a front anti roll bar or even not have any at all. Some cars even allow these to be adjusted directly from within the cockpit. The suspension tuning spreadsheet allows you to analyze and design automobile spring and sway bar rates.

They tie the left and right suspension either front or rear together to help control how the body rolls.