User Guide for APR models including: Roll Control Sway Bar, Sway Bar

[PDF] APR Sway Bar Guide

Understeer: The car doesn't turn as much as you want. You turn the wheel, but the front tires lose grip, and the car keeps going straight.

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APR Sway Bar Guide
APR Sway Bars alter how much a vehicle will oversteer or understeer. This is a general guide that will help you understand how each bar will impact oversteer and understeer characteristics.
Oversteer vs. Understeer
· Understeer: The car doesn't turn as much as you want. You turn the wheel, but the front tires lose grip, and the car keeps going straight. It feels like the car is "pushing" through a turn.
· Oversteer: The car turns more than you want. The rear tires lose grip, causing the back of the car to swing out. It feels like the car is "spinning out."
In short, understeer happens when the front tires lose grip, and oversteer happens when the rear tires lose grip.
Front vs rear Sway Bars
APR sway bars have an increases spring rate over the stock bars and will have the following general impact.
· Front Sway Bar: Increases oversteer. · Rear Sway Bar: Increases understeer.
Tuning the Sway Bars
Many bars have multiple adjustment points.
· Front Sway Bar o Inside Hole: StiHer setting ­ Increases understeer more. o Outside Hole: Softer setting ­ Increases understeer less.
· Rear Sway Bar o Inside Hole: StiHer setting ­ Increases oversteer more. o Outside Hole: Softer setting ­ Increases oversteer less.