Porsche 911 Turbo User Handbook Manual page 28

Steering.
Accuracy, comfort and excellent road contact.
The power-assisted steering is One of the key features of the
not only sensitive and direct, it also steering system is the variable-ratio
offers accurate feedback from gearing. Around the straight-ahead
the road. Minimal driver effort is position, the ratio is less direct,
required when parking, while enabling smoother manoeuvres on
the turning circle is a modest the motorway. It also reduces
10.9 metres – despite the generous the risk of excessive steering inputs
tyre width. which could destabilise the car at
high speed. Turn the wheel harder
and the ratio becomes more
direct, enabling better control
through low-speed corners as well
as easier parking manoeuvres.
In short: all the precision of a
race-designed system, yet perfect
for everyday road use.
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Wheels. finish, while the entire front
surface, including the lip, has a
A high-performance engine and polished finish.
transmission system necessitate
high-performance wheels and Tyre Pressure Monitoring (TPM),
tyres. Both 911 Turbo models included as standard equipment,
come with 19-inch forged alloys provides early warning of
as standard. The front wheel tyre pressure loss. The driver is
dimensions are 8.5J x 19 with informed via the on-board
235/35 ZR 19 tyres. Rear wheel computer display as well as a
size is 11J x 19 with 305/30 ZR 19 separate indicator light.
tyres.
Forged aluminium is lighter than
cast, which means the unsprung
masses are reduced. It also
has a higher inherent strength so
less material is required. The
relatively fine spoke design also
enables even better ventilation
of the brakes.
Visually, the wheels are further
enhanced with a distinctive
two-tone look. The sides of each
spoke have a titanium paint
911 Turbo |
A range of optional 18 and
19-inch winter wheels (snow
chain-compatible) are available
from the Porsche Tequipment
range of accessories.
Vehicles equipped with the
optional Porsche Ceramic
Composite Brake (PCCB) may
only be fitted with 19-inch winter
wheels.
19-inch Turbo wheel
· 65 ·
Chassis