Traction Steer – Suspension KPI

Traction steer is a measure of the toe angle change in a suspension system when it is subject to a longitudinal force applied at wheel centre. Traction steer is measured as degrees of toe change per Kilo-Newton of force at the wheel centre, Deg/kN.

traction steer toe change

The name traction steer implies a forward force due to a forward driving force from the engine as shown in the image above.  On most suspension systems it can be difficult to tune traction steers independently from brake steer.

This KPI page is only a brief overview. To learn more about this and other KPIs, including KPI values used in industry, real-world examples and best-practice guidance, please refer to our courses below.

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