2004 PORSCHE 911 GT3 Owners Manual

Floor

The surface uponwhich thevehicle restsisflat
and approximately level.

Screen

The screen uponwhich headlamp beams arepro-
jected isperpendicular tothe floor andthevehi-
cle's longitudinal axis,flat,uniformly lightincolor,
unobstructed, andwide andhigh enough toac-
commodate thevehicle beampatterns tobe
aimed.
The screen shouldbewide enough toprovide at
least 1m of space outboard ofthe vehicle's head-
lamp spacing.

176
PracticalTips,Emergency Service
Adjustment
screws
t>
Detach sidecarpeting inluggage compart-
ment.
Therefore unscrewplasticnut
A.

Open thecover ofthe appropriate adjustment
screw.
The setting isadjusted byturning thehexagon
socket screws rightorleft, asappropriate.
B

-Headlight verticaladjustment

C -
Fog light height adjustment

Vertical adjustment (screwB)
t>
turn clockwise
=
beam moves down
turn counter-clockwise
=
beam moves up

Note
t>
Donot alter thelateral adjustment.

Fog light adjustment

The foglight adjustment Cshould onlybedone at
a specialist workshop withanoptical adjustment
unit.

Towing
Certain statestatutes andlocal ordinances prohib-

it
towing withachain, ropeoreven atow bar.
In addition, damagetoyour vehicle mayresult
from improper procedures.
Consult yourauthorized Porschedealerforde-
tails.

Vehicle towing

Flat bed towing isthe preferred typeoftowing to
be used onPorsche vehicles.
Under certain circumstances, wheelliftsmay be
used when thevehicle willnotroll.

The vehicle mustbetowed withallfour
wheels offthe ground, otherwise damageto
the vehicle mayresult.

Towing eye

The towing eyeiscontained inthe tool kit.

A
Caution!
Risk ofdamage tothe vehicle.

'" Use thetowing eyeonly foranemergency to
remove thevehicle offthe road. Thetowing
eye isto be used onlytopull thevehicle onto
the flat bed, tractor ortowing aparatus ifthe
vehicle willrollfreely. Undernocircumstances
is the vehicle tobe secured usingthetowing
eye. '"
Never usethetowing eyetotow thisorany
other vehicle.

Front mounting

1. Carefully removetheplastic capbeside the
license platewithascrew driver.
2. Screw thetowing eyeintothehole.
Rear
mounting

1. Remove licenseplate.
2. Carefully removetheplastic capbetween the
bumpers withascrew driver.
3. Screw thetowing eyeintothehole.

t> t>t>

Practical Tips,Emergency Service
177

Pulling vehicle ontoflatbed

1. Position wooden rampsatthe base ofthe flat
bed toreduce theangle ofthe pull.
2. Reel inthe hoist cable andcheck theunderside
of the vehicle forany interference.
Practical Tips,Emergency Service
Tieing
downvehicle onflat bed

1. Carefully feedtowing strapsthrough theopen-
ing inthe
rear wheels.

Make suremetal partsofstraps donot dam-
age rim.
Make surethestrap isflat over therim bead.
Make surebrake backing plateisnot dam-
aged.
2. Secure strapstorear offlat bed.
3. Reel inhoist cable onlyfarenough totension
tie-down straps. 4.
Carefully feedtowing strapsthrough theopen-
ing inthe
front wheels.

Make suremetal partsofstraps donot dam-
age rim.
Make surethestrap isflat over therimbead.
Make surebrake backing plateisnot dam-
aged.
5. Secure strapstofront offlat bed.
6. Release tensiononhoist cable, butdonot dis-
connect.
Use hoist cable asasafety cable.

VehicleIdentification, TechnicalData

Vehicle Identification, TechnicalData

Vehicle Identification

When ordering sparepartsormaking
inquiries. pleasealwaysquotethevehicle
identification number.

Vehicle identification label

Vehicle identification labelisattached tothe inner
side ofthe luggage compartment hoodbelow the
hood lock.Itcontains allimportant dataabout
your car.
Vehicle Identification, TechnicalData This
label contains thefollowing information:
1. Vehicle Identification No.
2. TypejType description
3. Engine codejTransmission code
4. Paint No.jlnterior
5. Optional equipment
A duplicate ofthis label isinyour Maintenance
Booklet.

Note

This data bank cannot bere-ordered ifit is lost or
damaged.

Vehicleidentification number

In accordance withFederal SafetyRegulations,
the vehicle identification numberofyour carislo-
cated atthe bottom leftofthe windshield frame
and canbeseen from theoutside.
The vehicle identification numberisalso inthe lug-
gage compartment onthe right nexttothe battery

(arrow).

Safetycompliance sticker

The safety compliance stickerisyour assurance
that your newPorsche complies withallapplicable
Federal MotorVehicle SafetyStandards which
were ineffect atthe time thevehicle wasmanufac-
tured.
The sticker alsoshows themonth andyear ofpro-
duction andthevehicle identification numberof
your car(perforations) aswell asthe Gross Vehi-
cle Weight RatingandtheGross AxleWeight
Rat-

Ing.
Paint
data

The paint dataplate isattached tothe leftside wall
under thecarpet inthe luggage compartment.
Engine
number

The engine number isstamped onthe underside
of the crankcase.
Vehicle Identification, TechnicalData

Technical Data

Engine data

Type

Number ofcylinders
Bore
Stroke
Cubic capacity
Compression ratio
Net-horsepower, SAE
J
1349
at crankshaft speed
Net torque, SAE
J
1349
at crankshaft speed
Alternator Engine control

Driving Performance*

Maximum speed
Acceleration 0- 100 km;1l (62mph)
M
96/79

Horizontally opposedengine,liquidcooled

6
3.94 in./lOO mm
3.0 in./76.4 mm
219.7 cu.in./3600 cm
3

11.7:1
380 hp/280 kW
7400 rpm
285 ft.Ib./385 Nm
5000 rpm
1680 W/120 A
Stationar yhigh-voltage distribution,sequentialinjection,
cylinder-selective knock-control,stereooxygen sensorclosed-loop control,diagnostic system,
4 overhead camshafts, PorscheVarioCam, hydraulicvalveclearance compensation
190 mph/306 km;1l
4.5 seconds

*
At DIN empty weight andhalfload, without performance-inhibiting extraequipment
Technical Data

Transmission
1 st gear
2nd gear
3rd gear
4th gear
5th gear
6th gear
Reverse
Final drive ratio

lire Pressures forcold tires
3.82:
1

2.15:1 1.56 :1
1.21 :1

1.00 :1

0.85: 1

2.86: 1

3.44:1

Summer tiresandsnow tires
Front 32psi(2.2 bar)overpressure
Rear 39psi (2.7 bar)overpressure
These tirepressures applyonlytothe tire makes andtypes approved byPorsche.
Please observe thechapter "TIRESIWHEELS" onPage 141.
TechnicalData