Division “C” – Vcs Technical Rules Contents

SUPERCARS OPERATIONS MANUAL 2021

DIVISION “C” – VCS TECHNICAL RULES CONTENTS

Rule. Title Page

C1. GENERAL ...... 1 C1.1 Preamble ...... 1 C1.2 Model Eligibility & VSD’s ...... 1 C1.3 HoM Overriding Authority ...... 1

C2. COMPLIANCE ...... 2 C2.1 General ...... 2 C2.2 Examination for Eligibility ...... 2 C2.3 Disputes ...... 2 C2.4 Minor Non-Compliance ...... 3 C2.5 Repairs ...... 3

C3. SCRUTINEERING ...... 4 C3.1 Targeted Scrutiny ...... 4 C3.2 Onus on Competitor ...... 4 C3.3 Location of Targeted Scrutiny ...... 4 C3.4 Equipment to be Scrutineered ...... 4 C3.5 Additional Scrutineering ...... 4 C3.6 Changes/Modifications to Cars ...... 5 C3.7 Prohibition of Unsafe Cars ...... 5 C3.8 On Track Incidents ...... 5 C3.9 No Replacement Cars ...... 5 C3.10 Prohibited Work ...... 5 C3.11 Accidents and Scrutineering ...... 5

C4. CONSTRUCTION & MODIFICATION ...... 6 C4.1 Minimum Weight ...... 6 C4.2 Ballast ...... 6 C4.3 Freedoms Permitted ...... 7 C4.4 Additional Accessories ...... 8 C4.5 Composite Components ...... 8 C4.6 Exotic Materials ...... 8 C4.7 Manufacturing and Measuring Tolerances ...... 8 C4.8 Vehicle Datums ...... 9

C5. SAFETY EQUIPMENT ...... 10 C5.1 Seats ...... 10 C5.2 Leg Brace ...... 10 C5.3 Safety Harness ...... 10 C5.4 Window/Racing Nets ...... 10 C5.5 Roll Over Protection Structure “ROPS” ...... 11 C5.6 Fire Extinguisher Systems ...... 11 C5.7 Tethers ...... 11

Rule. Title Page

C6. BODY REQUIREMENTS ...... 12 C6.1 Bodywork ...... 12 C6.2 Front Bumper Bar Air Intakes ...... 13 C6.3 Windscreens ...... 13 C6.4 Doors ...... 13 C6.5 Rear Vision Mirrors ...... 14 C6.6 Tow Hooks and Vehicle Recovery ...... 14 C6.7 Accessories ...... 15 C6.8 Aerodynamics ...... 15

C7. SUSPENSION ...... 16 C7.1 Springing Medium ...... 16 C7.2 Front Suspension ...... 16 C7.3 Front Upright ...... 17 C7.4 Rear Suspension ...... 17 C7.5 Rear Spindle ...... 17 C7.6 Anti-Roll Bars ...... 18 C7.7 Suspension Adjustment ...... 18 C7.8 Control Dampers ...... 19

C8. ENGINE ...... 20 C8.1 General ...... 20 C8.2 Other Engine Components ...... 20 C8.3 Cooling System ...... 20 C8.4 Exhaust System ...... 21 C8.5 Inlet System ...... 21 C8.6 Engine Mounting ...... 22 C8.7 Engine Weight ...... 22 C8.8 Flywheel ...... 22 C8.9 Clutch ...... 23 C8.10 Transparency Provisions ...... 23 C8.11 Engine Parity ...... 23

C9. FUEL SYSTEM ...... 24 C9.1 Fuel Tank Requirements - General ...... 24 C9.2 Fuel Pressure ...... 24 C9.3 Fuel Lines ...... 25 C9.4 Capacity ...... 25 C9.5 Fuel Tank Vent ...... 25 C9.6 Fuel Fillers ...... 25

C10. DRIVETRAIN ...... 26 C10.1 General ...... 26 C10.2 Bell Housing Shaft ...... 26 C10.3 Transaxle ...... 26 C10.4 Gear Lever ...... 26 C10.5 Drop Gear Ratios ...... 27 C10.6 Transaxle Cooling ...... 27 C10.7 Gear Shift Cut ...... 27

Rule. Title Page C10.8 Tailshaft Hoops ...... 27

C11. BRAKES ...... 28 C11.1 General ...... 28 C11.2 Pedal Box ...... 28 C11.3 Brake Pads ...... 29 C11.4 Other Brake System Requirements ...... 29 C11.5 Brake Ducting ...... 30

C12. STEERING ...... 31 C12.1 General ...... 31

C13. WHEELS ...... 32 C13.1 Control Wheel ...... 32 C13.2 Centre Lock Spindles and Wheel Nuts ...... 32 C13.3 Wheel Coatings ...... 32

C14. ELECTRICAL SYSTEM ...... 33 C14.1 General ...... 33 C14.2 Master Isolation Switch ...... 33 C14.3 Battery ...... 33 C14.4 Alternator ...... 34 C14.5 Lights ...... 34 C14.6 Starter Motor ...... 34 C14.7 Fuel Pump Power Supply ...... 34 C14.8 Identification Lights ...... 34 C14.9 In-Car Camera System ...... 35

C15. ECU & DATA SYSTEMS ...... 36 C15.1 Control Electrical Package ...... 36 C15.2 Engine Control ...... 37 C15.3 Engine Fuel Air Ratio ...... 37 C15.4 Control Actuators and Sensors ...... 38 C15.5 Pit Lane Speed Limiter ...... 39 C15.6 Rain Light/Stall Light ...... 39 C15.7 Electronic Data – Logging, Display & Telemetry ...... 39 C15.8 Signals to/from Cars ...... 42

C16. CAR EQUIPMENT...... 43 C16.1 Airjack Timer ...... 43 C16.2 Airjack ...... 43 C16.3 Heatshield ...... 43

CONTROL PARTS ...... 44 1. Chassis ...... 44 2. Suspension & Steering ...... 45 3. Transaxle & Drivetrain ...... 46 4. Wheels & Tyres ...... 47 5. Brake System ...... 48 6. Fuel System ...... 49

Rule. Title Page 7. Electrical System ...... 50 8. Sensors and Actuators ...... 51 9. Bodywork and General ...... 54 10. Composites Components ...... 55 11. Telemetry ...... 56

CONTROL WHEEL NUT ...... 66

SIDE IMPACT PROTECTION STRUCTURE ...... 67

DRIVER DOOR SKIN LAYUP ...... 68

FRONT GUARD, LEFT FRONT DOOR SKIN, REAR DOOR SKIN LAYUP ... 69

REAR QUARTER PANEL LAYUP ...... 70

FRONT DOOR WINDOW...... 71

PART LOG EXAMPLE ...... 72 1. Control Damper Log ...... 72 2. Engine Log ...... 73 3. Transaxle Log ...... 74

LEG BRACE APPROVED MATERIAL LIST...... 75

AIRJACK TIMER ...... 76 1. Airjack Timer ...... 76 2. Airjack Switch ...... 76 3. Airjack Switch Timer ...... 76

TELEMETRY TRANSMISSION CONTROL ...... 77 1. User condition, titled “Carrier Detect Timer” ...... 77 2. Second User condition, titled “Carrier Detect Control” ...... 77 3. Communications Setup for Telemetry ...... 77

SUPERCARS OPERATIONS MANUAL 2021

DIVISION “C” – VCS TECHNICAL RULES

C1. GENERAL C1.1 Preamble 1.1.1 This Division C applies only to the VCS. 1.1.2 A Car must remain identical in all respects to the particular model of Car as defined in the relevant VSD and must be constructed in accordance with the Design supplied by Supercars for the Car except for the freedoms allowed, and to the extent permitted, by the Rules. 1.1.3 Any modification that is not in keeping with the spirit and intent of the Rules is not permitted and where necessary shall be banned without notice by Supercars. 1.1.4 In all circumstances the primary function of any component, even if all or part of its Design is free, is the overriding factor in determining its compliance with the Rules. Any secondary function/s, unless specifically permitted by the Rules, are not permitted. 1.1.5 No part of a Car may be modified and/or deleted and/or added to unless permitted by the Rules. 1.1.6 For clarification, in these Rules, unless it says that you can, then you cannot.

C1.2 Model Eligibility & VSD’s 1.2.1 Only the makes and models of Cars, as detailed in the table below and for which a VSD is available, are eligible for Competition:

Eligible makes and models of Cars Year Ford Holden

2021 Mustang GT ZB Commodore 1.2.2 Supercars reserves the right to add and/or remove makes and models of Cars to the above table.

C1.3 HoM Overriding Authority 1.3.1 Traction control is prohibited. 1.3.1.1 The HoM in his sole discretion, which will not be subject to any protest or appeal, has the right to deem any form of program, device, system, component(s), mechanism(s) as traction control. 1.3.2 Aerodynamic enhancement is prohibited. 1.3.2.1 The HoM in his sole discretion, which will not be subject to any protest or appeal, has the right to deem any form of program, device, system, component(s), mechanism(s) as an aerodynamic enhancement. 1.3.3 Fuel trimming during a race is prohibited. 1.3.3.1 The HoM in his sole discretion, which will not be subject to any protest or appeal, has the right to deem any form of program, device, system, component(s), mechanism(s) that aid the Driver in adjusting or trimming the air fuel mixture during a race as fuel trimming.

C2. COMPLIANCE C2.1 General 2.1.1 A Car must comply with the Design, relevant VSD, ESD and the Rules. 2.1.2 A Car must be constructed in accordance with the Design and comply with all aspects of the relevant VSD