Porsche 911 GT2 Brochure page 23

Redefining 'normal'.
Porsche Active Suspension Management (PASM).
The 911 GT2 is fitted with Porsche Various sensors are used to
Active Suspension Management monitor the movement of the body
(PASM), an electronic damper during acceleration, braking and
adjustment system. This active cornering manoeuvres, as well as
damping system offers continuous on poor road surfaces. The PASM
adjustment of individual damping control unit then evaluates this
forces based on current road data and modifies the damping
conditions and driving style. force on each individual wheel in
accordance with the selected
The driver can choose from two mode. The results are a reduction
basic setup modes: 'Normal' and in pitch and roll as well as con-
'Sport'. 'Normal' mode is designed sistent road contact on all four
for general road driving and wet wheels.
circuit use. 'Sport' mode enables
greater lateral acceleration and If 'Sport' mode is selected using
increases traction on the race- the PASM button identified by a
track. damper symbol, the suspension is
set to a harder damper rating that
In either mode, the system is specially designed for perform-
responds to changing loads by ance driving. If the quality of the
automatically applying the optimum road surface falls below a certain
rate on each individual damper threshold, the system immediately
from a range of predefined options.
changes to a softer rating within
the 'Sport' setup range. This
adjustment enhances occupant
comfort as well as traction and
grip. When the road surface
improves, PASM automatically
reverts to the original, harder
rating.
· 48 ·
The 911 GT2 |
Rebound in 'Normal' mode – Rebound in 'Sport' mode –
damper piston with bypass damper piston with bypass
valve open valve closed
Compression in 'Normal' mode – Compression in 'Sport' mode –
damper piston with bypass damper piston with bypass
valve open valve closed
· 49 ·
Chassis