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PORSCHE 911 GT3 R | USER MANUAL
Chassis
FRONT
ARB BL ADES
The configuration of the Anti-Roll Bar arms, or “blades”, can be changed to alter the overall stiffness of the ARB assembly. Higher
values transfer more force through the arms to the ARB itself, increasing roll stiffness in the front suspension and producing
the same effects, albeit on a smaller scale, as increasing the diameter of the sway bar. Conversely, lower values reduce the
roll stiffness of the front suspension and produce the same effects as decreasing the diameter of the sway bar. These blade
adjustments can be thought of as fine-tuning adjustments between sway bar diameter settings. 3 ARB blade options are available
ranging from soft to hard.
ARB OUTER DIAMETER
The ARB (Anti-Roll Bar) size influences the stiffness of the front suspension in roll, such as when navigating a corner. Increasing the
ARB size will increase the roll stiffness of the front suspension, resulting in less body roll but increasing mechanical understeer.
This can also, in some cases, lead to a more responsive steering feel from the driver. Conversely, reducing the ARB size will soften
the suspension in roll, increasing body roll but decreasing mechanical understeer. This can result in a less-responsive feel from
the steering, but grip across the front axle will increase. Along with this, the effects of softening or stiffening the ARB in relation to
aerodynamics should also be considered, smaller and hence softer ARB’s will result in more body roll which will decrease control
of the aero platform in high speed corners and potentially lead to a loss in aero efficiency. 2 configurations of ARB diameter are
available; 35 mm (softest) and 45 mm (stiffest).
PORSCHE 911 GT3 R | ADVANCED SETUP OPTIONS | CHASSIS
