2006 PORSCHE CAYMAN run flat

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Page 11 of 61

PORSCHE CAYMAN 2006 1.G Information Manual · 25 ·
Designed entirely around the
driver, the new Cayman is a
contemporary interpretation of
a classic Porsche concept. The
six-cylinder boxer engine has a
2.7-litre displacement generating
180 k

· 25 ·
Designed entirely around the
driver, the new Cayman is a
contemporary interpretation of
a classic Porsche concept. The
six-cylinder boxer engine has a
2.7-litre displacement generating
180 kW (245 bhp) at 6,500 rpm.
Thanks to VarioCam Plus (see
page 39), the maximum torque
output of 273 Nm is available
between 4,600 and 6,000 rpm.
The mid-engined layout is a crucial
factor in the near perfect front/
rear weight distribution. It also
enhances the car’s rear-end
traction, enabling 0 to 100 km / h
(62 mph) in as little as 6.1 seconds.
Maximum speed in appropriate
track conditions is 258 km / h
(160 mph).
The second key factor when it
comes to performance is, of
course, aerodynamics. Honed in
the wind tunnel, the new Cayman
has a drag coefficient of just 0.29.
Power is transmitted with precision
to the road through a five-speed
manual gearbox. An optional Sport
package is also available,
The new Cayman and the Cayman S |Model range
combining a six-speed manual
gearbox with Porsche Active
Suspension Management
(PASM – see page 52). Five-speed
Tiptronic S, offering both manual
and automatic gearshifts, is
also available as an option.
The standard wheels have a 17-inch
diameter and attractive dual-spoke
design. Clearly visible behind
them are the four-piston fixed brake
calipers in monobloc aluminium
with black anodised finish. All four
discs are vented and cross-drilled,
enabling better performance in wet weather conditions and lower
unsprung weight.
Other distinctive features on the
new Cayman include black lip
spoilers at the front of the car and
a centrally mounted, single-tube
tailpipe. Accompanying it all is the
familiar sound of the Porsche flat-
six engine.
The interior of the car is an
elegant arrangement of smooth
and clearly defined surfaces.
These are augmented by highlights
in Volcano Grey on the dashboard
At Porsche, we have our own theory of evolution.
Only the best engineering survives.
The new Cayman.
· 24 ·
and gear console surround.
Genuine leather trim can be found
on the steering wheel, gear lever,
handbrake lever and door handle
facings. On entering the car, the
first thing to catch your eye is the
Cayman logo on the outer door-sill
guard. The second is the stylish
instrument cluster with classic
black instrument dials. The
instrument shroud unites all three
instruments into a single visual
unit.
The new Cayman. Sport and style
in every detail.

Page 14 of 61

PORSCHE CAYMAN 2006 1.G Information Manual · 31 · · 30 ·
At the heart of each car:
something to set the pulse racing.
Powering the Cayman and Cayman S.
Six-cylinder boxer engine.
Both Cayman models have a
mid-mounted six-cylinder boxer
en

Page 18 of 61

PORSCHE CAYMAN 2006 1.G Information Manual · 39 · · 38 ·VarioCam Plus The new Cayman and the Cayman S |
Drive
higher torque at low rpm, a flatter
torque curve, and greater top-end
power. It also brings an additional
dimension to the uniqu

· 39 · · 38 ·VarioCam Plus The new Cayman and the Cayman S |
Drive
higher torque at low rpm, a flatter
torque curve, and greater top-end
power. It also brings an additional
dimension to the unique engine
sound.VarioCam Plus.
VarioCam Plus combines variable
valve timing with two-stage lift
on the inlet side. The resulting
benefits include greater power and
torque at all engine speeds, as
well as smoother running, better
fuel economy and fewer exhaust
emissions.
Essentially, the system creates
two engines out of one, switching
seamlessly between them as
driver inputs change. All operations
are centrally controlled by
the Motronic ME7.8 engine
management system. The result:
rapid acceleration and balanced
running characteristics.
The two-stage valve lift mechanism
on the inlet side incorporates
a series of electro-hydraulically
switchable tappets. Each of
the 12 tappets consists of two
concentric lifters which can be
locked together by means of a
pin when required by the engine
management system. When the
tappets are locked, the outermost
ring – which is driven by two large-
profile cams – is in direct contact
Two-stage resonance intake
manifold.
The intake manifold has a twin-flow
pipe with two-stage valve which
opens and closes at predefined
engine speeds. An additional
‘resonance’ pipe connecting the
twin plenum chambers is used
to alter the geometry within the
manifold. The resulting vibration in
the incoming air helps to maximise
cylinder charging and create the
optimum air/fuel mix. The results:
with the valve. When the pin is
removed, the innermost lifter –
operated by a smaller cam lobe –
has sole influence over the
amount of valve lift. The timing of
each valve is steplessly controlled
by means of an electro-hydraulic
rotary vane adjuster at the head
of each inlet camshaft.
To improve responsiveness when
starting from cold, VarioCam Plus
will raise the amount of lift and
retard the timing of the valves.
At medium revs and minimal load,
the valve lift is lowered and timing
advanced to help minimise fuel
consumption and emissions.
To achieve maximum power and
torque, the lift is raised and the
timing advanced.
Cayman

Page 29 of 61

PORSCHE CAYMAN 2006 1.G Information Manual · 61 · · 60 ·The new Cayman and the Cayman S |
Safety
The brakes are cooled using a
special ventilation system which
channels air from the front
of the car to every part of each
assembly. This a

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