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MERCEDES-AMG GT3 2020
USER MANUAL

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Summary of Contents for iRacing MERCEDES-AMG GT3 2020

  • Page 1 MERCEDES-AMG GT3 2020 USER MANUAL...
  • Page 2: Table Of Contents

    Table of Contents CLICK TO VIEW A SECTION GENERAL INFORMATION A Message From iRacing » Tech Specs » Introduction » Getting Started » Loading An iRacing Setup » Dash Pages » Dash Configuration (Page 1) » Dash Configuration (Page 2) »...
  • Page 3: A Message From Iracing

    Dear iRacing User, Congratulations on your purchase of the Mercedes-AMG GT3 2020! From all of us at iRacing, we appreciate your support and your commitment to our product. We aim to deliver the ultimate sim racing experience, and we hope that you’ll find plenty of excitement with us behind the wheel of your new car! Since its introduction in 2015, the Mercedes-AMG GT3 has been one of sports car racing’s most...
  • Page 4: Tech Specs

    MERCEDES-AMG GT3 2020 | TECH SPECS CHASSIS DOUBLE WISHBONE FRONT AND REAR SUSPENSION W E T W E I G H T L E N G T H W I D T H W H E E L B A S E...
  • Page 5: Introduction

    To access the baseline setups, simply open the Garage, click iRacing Setups, and select the appropriate setup for your track of choice. If you are driving a track for which a dedicated baseline setup is not included, you may wwselect a setup for a similar track to use as your baseline.
  • Page 6: Loading An Iracing Setup

    Upon loading into a session, the car will automatically load the iRacing Baseline setup [baseline.sto]. If you would prefer one of iRacing’s pre-built setups that suit various conditions, you may load it by clicking Garage > iRacing Setups > and then selecting the setup to suit your needs.
  • Page 7: Dash Pages

    MERCEDES-AMG GT3 2020 // DASH PAGES Dash Pages The digital dash display in this car features two selectable pages. DASH CONFIGURATION (PAGE 1) Engine RPM Graphical depiction of engine rpm. T Water Engine water temperature (Celsius or Fahrenheit) V Batt...
  • Page 8: Dash Configuration (Page 2)

    MERCEDES-AMG GT3 2020 // DASH PAGES DASH CONFIGURATION (PART 2) Engine RPM Graphical depiction of engine rpm T Water Engine water temperature (Celsius or Fahrenheit) V Batt Battery Voltage (V) LaptimeDiff lap time delta to best lap Speed Road Speed (km/h or mph)
  • Page 9: Pit Limiter

    MERCEDES-AMG GT3 2020 // DASH PAGES PIT LIMITER When the pit limiter is active a blue bar will appear at the top of the screen specifying the current vehicle speed. This bar will be blue while under the limit and red when over. In addition to this, the shift light cluster will flash with alternating blue and yellow lights.
  • Page 10: Advanced Setup Options

    MERCEDES-AMG GT3 2020 // ADVANCED SETUP OPTIONS Advanced Setup Options This section is aimed toward more advanced users who want to dive deeper into the different aspects of the vehicle’s setup. Making adjustments to the following parameters is not required and can lead to significant changes in the way a vehicle handles.
  • Page 11: Tires & Aero

    MERCEDES-AMG GT3 2020 // TIRES & AERO Tires & Aero TIRE SETTINGS (ALL FOUR) C OLD AIR PRES SU RE Air pressure in the tire when the car is loaded into the world. Higher pressures will reduce rolling drag and heat buildup, but will decrease grip.
  • Page 12: Aero Calculator

    MERCEDES-AMG GT3 2020 // TIRES & AERO T IRE T EMPER AT URES Tire carcass temperatures, measured via Pyrometer, once the car has returned to the pits. Wheel Loads and the amount of work a tire is doing on-track are reflected in the tire’s temperature, and these values can be used to analyze the car’s handling balance.
  • Page 13 MERCEDES-AMG GT3 2020 // TIRES & AERO W ING SE T T I NG The wing setting refers to the relative angle of attack of the rear wing, this is a powerful aerodynamic device which has a significant impact upon the total downforce (and drag!) produced by the car as well as shifting the aerodynamic balance of the car rearwards with increasing angle.
  • Page 14: Chassis

    MERCEDES-AMG GT3 2020 // CHASSIS Chassis FRONT FARB C O NNEC T I ON This determines if the front anti-roll bar is connected or not. This setting essentially functions as a final ‘step’ in the soft end of the range. Disconnecting the anti-roll bar will override any setting selected as an ARB rate and provide an effective roll rate of 0 N/ mm.
  • Page 15 MERCEDES-AMG GT3 2020 // CHASSIS T OE -IN Toe is the angle of the wheel, when viewed from above, relative to the centerline of the chassis. Toe-in is when the front of the wheel is closer to the centerline than the rear of the wheel, and Toe-out is the opposite. On the front end, adding toe-out will increase slip in the inside tire while adding toe-in will reduce the slip.
  • Page 16: Brakes/In-Car

    MERCEDES-AMG GT3 2020 // CHASSIS BRAKES / IN-CAR FRON T M A S T ER CYLINDER The Front Brake Master Cylinder size can be changed to alter the line pressure to the front brake calipers. A larger master cylinder will reduce the line pressure to the front brakes, this will shift the brake bias rearwards and increase the pedal effort required to lock the front wheels.
  • Page 17 MERCEDES-AMG GT3 2020 // CHASSIS BR AK E PRES SU RE B I A S Brake Bias is the percentage of braking force that is being sent to the front brakes. Values above 50% result in greater pressure in the front brake line relative to the rear brake line which will shift the brake balance forwards increasing the tendency to lock up the front tyres but potentially increasing overall stability in braking zones.
  • Page 18: Left/Right Front

    MERCEDES-AMG GT3 2020 // CHASSIS LEFT/RIGHT FRONT C ORNER W EI GH T The weight underneath each tire under static conditions in the garage. Correct weight arrangement around the car is crucial for optimizing a car for a given track and conditions. Individual wheel weight adjustments and crossweight adjustments are made via the spring perch offset adjustments at each corner.
  • Page 19 MERCEDES-AMG GT3 2020 // CHASSIS SPRING R AT E This setting determines the installed corner spring stiffness. Stiffer springs will result in a smaller variance in ride height between high and low load cases and will produce superior aerodynamic performance through improved platform control; however, they will also result in increased tire load variation which will manifest as a loss in mechanical grip.
  • Page 20 MERCEDES-AMG GT3 2020 // CHASSIS C AMBER Camber is the vertical angle of the wheel relative to the center of the chassis. Negative camber is when the top of the wheel is closer to the chassis centerline than the bottom of the wheel, positive camber is when the top of the tire is farther out than the bottom.
  • Page 21: Left/Right Rear

    MERCEDES-AMG GT3 2020 // CHASSIS LEFT/RIGHT REAR RE AR RIDE HEI GH T Distance from ground to a reference point on the rear of the chassis. Increasing rear ride height will decrease rear downforce as well as increase overall downforce (to a point) and will allow for more weight transfer across the rear axle when cornering.
  • Page 22 MERCEDES-AMG GT3 2020 // CHASSIS L S C OMP DAMPING Low speed compression affects how resistant the shock is to compresion (reduction in length) when the shock is moving at relatively low speeds, usually in chassis movements as a result of driver input (steering, braking, & throttle) and cornering forces. In this case 0 is minimum damping (least resistance to compression) while 11 is maximum damping (most resistance to compression).
  • Page 23: Rear

    MERCEDES-AMG GT3 2020 // CHASSIS REAR FUE L LE V EL The amount of fuel in the fuel tank. Tank capacity is 106 L (28.0 g). Adjustable in 1 L (0.26 g) increments. R ARB C ONNEC T I ON This determines if the rear anti-roll bar is connected or not.
  • Page 24 MERCEDES-AMG GT3 2020 // CHASSIS DIFF PREL OAD Diff preload is a static amount of locking force present within the differential and remains constant during both acceleration and deceleration. Increasing diff preload will increase locking on both sides of the differential which will result in more understeer when off throttle and more snap oversteer with aggressive throttle application.

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