Porsche 911 GT3 R 2012 Manuel utilisateur

Technical Manual

Model 2012

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 2012

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.

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 52

5.7. Clutch 53

5.8. Working on the gearbox 57

5.9. Gearbox component tightening torques 63

6. SUSPENSION 64

6.1. Front suspension 64

6.2. Rear suspension 70

6.3. Basic wheel alignment 74

6.4. Working on the suspension 86

6.5. Tightening torques suspension 87

6.6. Sachs damper service information 98

7. WHEELS 100

7.1. Wheel nuts 100

8. BRAKE SYSTEM 102

8.1. Technical data brake system 102

8.2. Brake force distribution (brake balance) 102

8.3. Brake caliper 109

8.4. Tightening torques brake system 109

8.5. Brake disc screwing 110

9. CHASSIS 111

9.1. Interior 111

9.2. Exterior 112

9.3. Rear wing 113

9.4. Fire extinguisher system 114

9.5. Air-jack system 116

10. ELECTRIC 118

10.1. Alternator 118

10.2. Battery 118

10.3. Steering wheel 118

10.4. Centre console 120

10.5. Shift Light Module 121

10.6. MoTeC Dash 122

10.7. Car sensors 127

10.8. Engine Control Unit (ECU) 128

10.9. EGas 129

10.10. ABS 133

10.11. Traction control 139

10.12. Relay- and fuse assignment 144

11. CAR MAINTENANCE 148

11.1. After approx. 200 km and/or first test 148

11.2. After every session 148

11.3. After every race weekend (sprint) 149

11.4. After 3 - 4 race weekends (sprint) 149

11.5. After 30 hours running time 149

1. Contacts

Technical Support Mr. Marcus Stolzenthaler 0711 911 82498

0170 911 2996

Mr Rainer Sauter 0711 911 84994

0170 911 3436

Mr Steffen Höllwarth 0711 911 89922

0170 911 3989

Fax: 0711 911 89535

Sport parts sales Mr Friedrich Weseler 0711 911 89854

Mr Karlheinz Kienle 0711 911 82923

Mr Klaus Lenzner 0711 911 82423

Mr Christian Müller 0711 911 89175

Mr Salvatore Scozzaro 0711 911 83738

Mr Emanuel Donno 0711 911 82687

Fax: 0711 911 82808

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

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

3.3. Engine power and torque curves

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