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S5000
User Guide
V2.2
4/3/2020

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Summary of Contents for GRM S5000

  • Page 1 S5000 User Guide V2.2 4/3/2020...
  • Page 2: Table Of Contents

    S5000 User Guide ABLE OF ONTENTS CUSTOMER SERVICE CONTACT ............4 Technical Support ................. 4 GRM Workshop ................4 OVERVIEW ..................5 General Dimensions ..............5 Baseline Set-Up ................6 Chassis Identification ..............7 CAR CHARACTERISTICS ..............8 A - ENGINE .................. 8 3.1.1...
  • Page 3 S5000 User Guide 3.5.9 Front and rear Dampers ............24 G - STEERING ................25 H - BRAKING................25 3.7.1 Brake Systems ..............25 3.7.2 Brake Actuation ..............26 I - WHEELS AND TYRES ............... 27 3.8.1 Wheels ................27 3.8.2...
  • Page 4: Customer Service Contact

    S5000 User Guide 1 CUSTOMER SERVICE CONTACT 1.1 T ECHNICAL UPPORT Name Email Phone Stefan Millard s5000@grmotorsport.com.au +61 400 282 934 1.2 GRM W ORKSHOP Website grmotorsport.com.au E-Mail mail@grmotorsport.com.au Phone +61 3 9793 6933 Factory 2 Address 13 Kitchen Road...
  • Page 5: Overview

    850kg Fuel Tank Capacity THE S5000 IS AN EXTREMELY HIGH-PERFORMANCE VEHICLE FIT FOR USE ONLY AT CONFEDERATION OF AUSTRALIAN MOTORSPORT LICENSED FACILITIES. IT IS THE RESPONSIBILITY OF THE OPERATOR (THIS MAY OR MAY NOT BE THE DRIVER) TO ENSURE THE VEHICLE IS FIT FOR PURPOSE AND SAFE TO OPERATE.
  • Page 6: Baseline Set-Up

    S5000 User Guide 2.2 B ASELINE This is a general Baseline Set-Up recommended by GRM. It is intended to be tuned track to track. Geometry Front Rear Ride Height* [mm] Camber [deg] -1.6 Castor [deg] [mm] 1.5 OUT 1.5 IN...
  • Page 7: Chassis Identification

    S5000 User Guide 2.3 C HASSIS DENTIFICATION Each Tub has a Manufacturer identification plate bonded to the inside of the cockpit on the LHS of the steering wheel. And a Constructor identification plate is also bonded to the inside of the cockpit on the RHS of the steering...
  • Page 8: Car Characteristics

    S5000 User Guide 3 CAR CHARACTERISTICS 3.1 A - ENGINE 3.1.1 G ENERAL NFORMATION Engine Information Type V8 Naturally Aspirated Capacity 5200 cm3 Bore & Stroke 94 x 93 mm Maximum Speed 8000rpm Cooling System Water without thermostat Fuel Unleaded 98 RON...
  • Page 9: Engine Identification

    S5000 User Guide 3.1.3 E NGINE DENTIFICATION...
  • Page 10: B - Engine Systems

    The engine has a dry sump oil system with the oil tank located in the bell housing between the engine and the transmission. The oil level must be checked using Dipstick Part# GRM-AW0470-00 and the oil level maintained between the minimum and maximum indicators on the dipstick. The oil capacity at the maximum indicator mark is approximately 8.0L.
  • Page 11: Intake System

    If the recorded fuel pressure is less than 45psi at any time during normal vehicle operation notify GRM Technical Support. Filling of the fuel bladder must be done slowly through the dry break on the fill tube via an external off vehicle pump.
  • Page 12: C - Transmission

    3.3.2 T RANSMISSION The car is fitted with a Holinger MFT-S5000 gearbox incorporating rear suspension pickups, integral bell housing with engine oil tank, limited slip differential and pneumatic paddle gear selection. A set of drop gears sit between the engine and the gearbox. This pair of gears are in their own oil chamber, separate from the gearbox, and require INDEPENDENT filling and draining.
  • Page 13: Lubrication

    S5000 User Guide 3.3.3 L UBRICATION The gearbox has an integral oil pump and filter and an external radiator for cooling the oil. The filter cartridge O-Ring is 65x2.5 NBR and the filter is a Ryco 2605P. The gearbox is filled via the access cap on top of the unit.
  • Page 14: Pneumatic Gear Selection System

    Solenoid Block and air tank/compressor as any dust or foreign objects in the system will reduce performance. If any pneumatic gear selection issues occur refer to GRM Technical Support. If any maintenance work is to be carried out, the system must be depressurised before commencing. This is achieved by operating the Pressure Relief Valve at the air tank.
  • Page 15: D - Warm Up Procedure

    3.4 D - WARM UP PROCEDURE For the first engine run after an Engine, ECU, Throttle Pedal Sensor replacement, or any adjustments made to the pedal box please contact GRM technical support as the following cannot be done by the customer: Change ECU parameters •...
  • Page 16: F - Front And Rear Suspension

    The rear suspension of the S5000 is unequal length double wishbone with an upper toe link to control toe angle. As with the front suspension, the rear coil over dampers and adjustable anti-roll bar are actuated by a pushrod and rocker mechanism.
  • Page 17: Set-Up Adjustments

    S5000 User Guide 3.5.2 S DJUSTMENTS Effects of the adjustments on the car’s set-up. Front Rear mm/turn 5.55 5.75 Ride Height Pushrod adjuster mm/flat 0.92 0.95 Thread step [mm] 1.41 1.41 Spring Spring platform Ride Height change* Preload 1.57 1.95...
  • Page 18: Front Anti-Roll Bar

    S5000 User Guide 3.5.4 F RONT OLL BAR The front anti-roll bar is actuated by movement of each front upright via a pair of pushrods, rockers and drop links. A single front anti-roll bar is specified. The stiffness can be adjusted by changing the connection position of the two drop links.
  • Page 19: Front Spring

    S5000 User Guide 3.5.5 F RONT PRING Three sets of front springs used in a coil-over configuration are available. Front Springs Reference Stiffness GRM-CE0037 600 lbs/in GRM-CE0038 700 lbs/in GRM-CE0039 800 lbs/in The following packers can be used to tune the overall solid packer set.
  • Page 20: Rear Suspension Geometry Adjustment

    S5000 User Guide Front Bump Rubber rate Displacement [mm] 3.5.6 R USPENSION EOMETRY ADJUSTMENT Camber adjustment for the rear suspension is achieved by adjusting the thickness of the shims on the upright (in purple) as illustrated in the picture below and overall dimensions of the top and bottom wishbones.
  • Page 21 S5000 User Guide Rear ARB rate N/mm *An 'X'mm RARB setting is offset 'X' mm inwards from having the adjuster flush with the end of the T-Bar. Rear ARB rate Blade Position [mm]...
  • Page 22: Rear Spring

    S5000 User Guide 3.5.8 R PRING Three sets of rear springs used in a coil-over configuration are available. Rear Springs Reference Stiffness GRM-CE0040 1000 lbs/in GRM-CE0041 1100 lbs/in GRM-CE0042 1200 lbs/in The following packers can be used to tune the overall solid packer set.
  • Page 23 S5000 User Guide Rear Bump Rubber rate Displacement [mm]...
  • Page 24: Front And Rear Dampers

    3.5.9 F RONT AND REAR AMPERS The S5000 is fitted with a pair of JRi dampers at each axle. Front and rear are identical. Only rebound, high- and low-speed, is adjustable. High-Speed Adjuster The high-speed adjuster is a “sweep” style adjuster, meaning that its adjustment is measured by the location of the adjuster in the eyelet window.
  • Page 25: G - Steering

    S5000 User Guide 3.6 G - STEERING The S5000 is fitted with a non-power assisted rack actuated by a steering column with a quick release coupling for the steering wheel. An integral sensor measures the steering angle. The ratio of turns of the column to displacement of the rack is 36.8mm/turn.
  • Page 26: Brake Actuation

    RAKE CTUATION The S5000 is fitted with a Tilton Pedal Box. The position of this can be adjusted backwards and forwards depending on the driver preference. The pedal box includes the throttle pedal and sensor, hydraulic clutch circuit actuation and front and rear brake circuit actuation with a driver adjustable brake balance bar.
  • Page 27: I - Wheels And Tyres

    3.8.3 T YRES The tyres used on the S5000 are from Hoosier. The integrity and safety of all tyres fitted to the car must be checked before vehicle operation. Front...
  • Page 28 S5000 User Guide Slick Rear (43594) Pressure 23psi 25psi 27psi 1050lbs (476kg) 1795 lbs/in 1855 lbs/in 1995 lbs/in 850lbs (386kg) 1745 lbs/in 1795 lbs/in 1935 lbs/in 650lbs (295kg) 1675 lbs/in 1715 lbs/in 1850 lbs/in Wet Front (44195) Pressure 23psi 25psi...
  • Page 29: J - Aerodynamic

    S5000 User Guide 3.9 J - AERODYNAMIC 3.9.1 F RONT Front Wing holes are labelled LETTERS for ROWS, and NUMBERS for COLUMNS (e.g. 'E1' is the forwardmost hole in the top row). 3.9.2 R Rear Wing angles are zeroed to the flat surfaces either side of the Main Roll Hoop (near the rearward mounts of...
  • Page 30 S5000 User Guide Upper Rear wing adjustment and measurement Lower Rear wing adjustment and measurement...
  • Page 31: Electrical System

    The software required for these functions is Motec C125 Dash Manager V6.10H9. It is assumed that the customer is familiar with the use of Motec Dash Manager and Motec i2 Pro. Please contact GRM Technical Support if help is required. 4.2 P...
  • Page 32: Fire Extinguisher

    S5000 User Guide An Anderson Jump plug is located in the left-hand side pod for connection of an auxiliary battery. It is recommended an auxiliary battery is connected at all times the car is turned on without the engine running.
  • Page 33: Radio Connections

    ADIO ONNECTIONS The main electrical harness in the s5000 is equipped with radio connections to avoid having to piggy back additional radio looms. The customer needs to provide an adapter loom from the autosport connector to their handheld radio that matches the pinout given below.
  • Page 34: Electronics

    S5000 User Guide 5 ELECTRONICS 5.1 U NTERFACE 5.1.1 S TEERING HEEL CAUTION - When removing the steering wheel, care must be taken to ensure the long term reliability of the electrical connection between the chassis and the steering wheel. THIS CONNECTION IS CRITICAL TO THE VIABLE OPERATION OF THE VEHICLE.
  • Page 35: Control Panel

    S5000 User Guide 5.1.2 C ONTROL ANEL Master Switch Fire Button Switch Panel Brake Bias Logger Download MASTER SWITCH: Toggle Switch, turns the Car on (switch to the right) and off Note: This Master Switch must always be used for electrical deactivation;...
  • Page 36: Dashboard

    S5000 User Guide 5.1.3 D ASHBOARD Dashboard Pages: There are 5 pages available on the Display. The Default display on power up is the ‘Driver’ page; the remaining 4 pages are displayed on successive pushes of the Scroll button on the steering wheel.
  • Page 37 S5000 User Guide ENGINE RUN UP PAGE: INFORMATION PAGE: Name Description Loaded Ref Lap The currently loaded reference lap in seconds Fuel Used Fuel Used counter 1 (reset by holding Alarm button for 3s) Total Fuel Used Fuel Used counter 2 (reset by holding Trip 1 Reset button)
  • Page 38: Dash Alarms

    Should display 0.0 when throttle is released. Avoid adjusting throttle Throttle position sensor without GRM technical support. Displays steering angle. Contact GRM Technical support for Steering recalibration. When clutch is depressed ensure marker goes beyond white line. If Clutch not, check clutch height as described earlier.
  • Page 39: Data Logger

    S5000 User Guide 6 DATA LOGGER 6.1 C HANNEL Sample Channel Name Comment Unit Rate [Hz] Ambient Pressure Ambient pressure Bat Volts PDM Battery voltage Beacon Beacon signal Brake Bias Setting Brake balance setting Brake Pressure Front Brake pressure front...
  • Page 40: Fluids

    S5000 User Guide Sample Channel Name Comment Unit Rate [Hz] PDM Output 11 Status LTCD (Lambda CAN Modul) PDM Output 12 Current Logger/Camera PDM Output 12 Status Logger/Camera PDM Output 13 Current Dash/SLM/Keypad PDM Output 13 Status Dash/SLM/Keypad PDM Output 14 Current...
  • Page 41: Car Maintenance

    Service and replace seals event ˚C Each Depending visual Check for excessive heat crazing and Disc event state/wear cracking Each Depending wear session 9 THIGHTENINGS Please find all tightening torques including Loctite applications in the S5000 Parts Catalogue supplied by GRM.

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