Porsche 2012 911 GT3 CUP Technical Manual page 84

6.1.2. Front dampers
6.1.3. Front anti-roll bar
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Non-adjustable Sachs dampers are fitted to the front axle.
The front anti-roll bar has a 7 position adjustment range on both sides,
each position results in the blade being adjusted by an angle of 15°. The
maximum stiffness of the anti-roll bar is achieved when the blade is
aligned parallel to the anti-roll bar link. The minimum stiffness is achieved
when the blade is aligned at 90° to the anti-roll bar link.
Always use suitable tools to rotate the blade as incorrect tools can cause
damage. Notches or other damage can cause the blade to break.
In the following diagram the component stiffness of the front ARB
dependent on blade position is represented:
Front ARB
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