Porsche 911 GT3 R 2012 User manual

Technical Manual
Model 2013

Preface
This technical information will give you the possibility to reference data,
adjustment values and working procedures and make the maintenance
and repair work on the vehicle easier.
We wish you every success with your GT3 R
Dr. Ing. h.c. F. Porsche
Aktiengesellschaft
Vertrieb Sonder- und Rennfahrzeuge

Race car 911 GT3 R Model 2013
This car is specifically designed for participation in racing competitions.
For obvious reasons, measurements referring to bodywork dimensions
of the production cars cannot be used as reference.
Porsche accepts no guarantee that the vehicle conforms to the
regulations.
The car can not be registered for road use and does not comply with
German road traffic regulations.
Illustrations, descriptions and schematic drawings serve exclusively as
presentation for the text. Porsche Motorsport accepts no liability for the
completeness and conformity of the contents of this brochure with
respect to the legality of the current regulations.

1
Contents
1. CONTACTS 4
2. GENERAL TECHNICAL DATA 5
2.1. Dimensions 5
2.2. Weight 5
3. ENGINE 6
3.1. Engine technical data 6
3.2. Fuel specs 6
3.3. Engine power and torque curves 7
3.4. Engine lubrication 8
3.5. Engine cooling system 12
3.6. Induction system 19
3.7. Throttle butterfly 20
3.8. Working on the engine 21
3.9. Engine component tightening torques 34
3.10. Engine mileage 35
4. FUEL AND EXHAUST SYSTEM 36
4.1. Fuel system 36
4.2. Fuel cell 37
4.3. Exhaust system 41
5. GEARBOX 44
5.1. Gearbox technical data 44
5.2. Gear ratio diagram 45
5.3. Connection scheme gearbox heat exchanger 45
5.4. Paddle Shift MEGA-Line 46
5.5. Gear position recognition 51
5.6. Differential 53

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5.7. Clutch 54
5.8. Working on the gearbox 62
5.9. Gearbox component tightening torques 68
6. SUSPENSION 69
6.1. Front suspension 69
6.2. Rear suspension 75
6.3. Basic wheel alignment 80
6.4. Working on the suspension 92
6.5. Tightening torques suspension 93
6.6. Sachs damper service information 104
7. WHEELS 106
7.1. Wheel nuts 106
8. BRAKE SYSTEM 108
8.1. Technical data brake system 108
8.2. Brake force distribution (brake balance) 108
8.3. Brake caliper 115
8.4. Tightening torques brake system 115
8.5. Brake disc screwing 116
9. CHASSIS 117
9.1. Interior 117
9.2. Exterior 118
9.3. Rear wing 119
9.4. Fire extinguisher system 120
9.5. Air-jack system 122
10. ELECTRIC 125
10.1. Alternator 125
10.2. Battery 126

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10.3. Steering wheel 126
10.4. Centre console 128
10.5. Shift Light Module 129
10.6. MoTeC Dash 130
10.7. Car sensors 135
10.8. Engine Control Unit (ECU) 136
10.9. EGas 137
10.10. ABS 141
10.11. Traction control 149
10.12. Relay- and fuse assignment 154
11. CAR MAINTENANCE 158
11.1. After approx. 200 km and/or first test 158
11.2. After every session 158
11.3. After every race weekend (sprint) 159
11.4. After 3 - 4 race weekends (sprint) 159
11.5. After 30 hours running time 159

4
1. Contacts
Technical Support Mr Rainer Sauter 0711 911 84994
0170 911 3436
Mr Steffen Höllwarth 0711 911 89922
0170 911 3989
Fax: [phone]
Sport parts sales Mr Christian Müller 0711 911 89175
Mr Robert Hirrig 0711 911 82687
Mr Klaus Lenzner 0711 911 82423
Mr Salvatore Scozzaro 0711 911 83738
Fax: [phone]

5
2. General technical data
Engine type M 97/79
Gearbox type G 97/72
Numbers of gears sequential 6
2.1. Dimensions
Length (w/o spoiler edge) [mm] see homologation papers
Width across front axle [mm] see homologation papers
Width across rear axle [mm] see homologation papers
Wheelbase [mm] see homologation papers
2.2. Weight
Dry weight [kg] see homologation papers

6
3. Engine
3.1. Engine technical data
Engine type
M97/79
Design
Six-cylinder boxer
Cylinders
6
Bore [mm] 102.7
Stroke
[mm]
80.4
Cubic capacity
[cm³] 3996
Compression ratio
approx. 14.5
Maximum revs [rpm] 9,400
Inlet valve diameter [mm] 41
Inlet valve lift
[mm] 14
Point of maximum
inlet valve lift
[°] after TDC
Exhaust valve
diameter
[mm] 35.5
Exhaust valve lift
[mm] 13.5
Point of maximum
exhaust valve lift
[°] before TDC
Cooling media
Water cooled
Lubrication
Dry sump lubrication
Oil-water heat-exchanger
3.2. Fuel specs
98 ROZ

7
3.3. Engine power and torque curves