Porsche 911 GT3 Brochure page 20

The new 911 GT3 | Chassis
Normal mode?
A very subjective question.
Porsche Active Suspension Management (PASM).
Porsche Active Suspension 911 GT3 is also 30 mm lower
Management (PASM), an electronic than the standard 911 Carrera.
damper adjustment system, is
fitted as standard on the new At the press of a button, the driver
911 GT3. PASM actively and can choose between two setup
continuously controls the individual modes. 'Normal' mode is designed
damping forces for each wheel for sporty driving on general roads
according to current road and on the racetrack in wet
conditions and driving style. The conditions. 'Sport' mode is
especially for maximum lateral
acceleration and the best
possible traction on the racetrack.
Depending on which mode is set,
and the road conditions detected,
the system automatically selects
the best damper application
within the two setup ranges.
Left: Rebound in 'Normal'
A range of sensors monitor the
mode – damper piston
and bypass valve
movement of the body during
Right: Rebound in 'Sport' mode –
acceleration and braking or on
damper piston only
uneven surfaces. The PASM
control unit then evaluates this
data and adjusts the damping
force, depending which mode
is selected. Pitch and roll are
reduced and the road contact
Left: Compression in 'Normal'
of each individual wheel is
mode – damper piston
and bypass valve
optimised.
Right: Compression in 'Sport'
mode – damper piston
only
In 'Sport' mode the suspension is In 'Normal' mode, if the driving
automatically set to a harder rating style becomes more dynamic, the
specially designed for use on the system automatically switches
racetrack. The system will detect to a sports-oriented rating within
any unevenness on the surface and the normal set-up range. The
then, to improve road contact, it suspension becomes stiffer so
switches within a few milliseconds that driving stability and safety
to a softer rating within the sport are increased.
or stiff set-up range. When the
track surface becomes even again,
PASM returns to the original harder
rating.
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