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iRACING FORMULA iR-04
USER MANUAL

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Summary of Contents for iRacing FORMULA iR-04

  • Page 1 FORMULA iR-04 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 » Pit Limiter » Shift Lights »...
  • Page 3: A Message From Iracing

    DE AR iR ACING US ER , Congratulations on your purchase of the iR-04! 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!
  • Page 4: Tech Specs

    FORMULA iR-04 // TECH SPECS CHASSIS DOUBLE W ISHBO NE PUS H RO D SUSPENSION FRO N T AND RE AR W E T W E I G H T L E N G T H W I D T H...
  • 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 select 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

    FORMULA iR-04 // DASH PAGES Dash Pages The dash display in this car is non-adjustable and features a single page to display critical vehicle information. DASH CONFIGURATION Row 1 Left Engine oil pressure (Bar or psi) Row 1 Center...
  • Page 8: Shift Lights

    FORMULA iR-04 // DASH PAGES SHIFT LIGHTS 1 Green 6300 rpm 2 Green 6500 rpm 3 Green 6600 rpm 4 Green 6700 rpm 1 Red 6800 rpm 2 Red 6900 rpm All Flashing 7000 rpm i Ra c ing F o r m u la iR-0 4...
  • Page 9: Advanced Setup Options

    FORMULA iR-04 // 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 10: Tires & Aero

    FORMULA iR-04 // 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 11: Aero

    FORMULA iR-04 // 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 12: Aero Calculator

    FORMULA iR-04 // TIRES & AERO AERO CALCULATOR The Aero Calculator is a tool provided to aid in understanding the shift in aerodynamic balance associated with adjustment of the rear wing setting and front and rear ride heights. It is important to note that the values for front and rear ride height displayed here DO NOT result in any mechanical changes to the car itself, however, changes to the rear wing angle here WILL be applied to the car.
  • Page 13: Chassis

    FORMULA iR-04 // CHASSIS Chassis FRONT T R A NSPAREN T H AL O C O L UMN This option is visual only. Checking this box will change the center support of the halo from opaque to transparent. PUSHRO D OFF SE T Used to adjust the front ride height by increasing or decreasing the length of the front pushrods.
  • Page 14 FORMULA iR-04 // CHASSIS DAMPER C OMPRES SIO N S T I FF NES S The bump stiffness setting is a paired adjustment controlling both the low and high speed compression damping characteristics of the damper. In this case 1 is minimum damping (least resistance to compression) while 10 is maximum damping (most resistance to compression).
  • Page 15: Left/Right Front

    FORMULA iR-04 // 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. For the iR-04 this cannot be easily influenced as individual corner pushrods are non-adjustable.
  • Page 16: Left/Right Rear

    FORMULA iR-04 // CHASSIS angles which can be beneficial in chicances or hairpins. As well as this the more caster angle the greater the jacking effect during cornering which will result in lifting the inside front wheel while lowering the outside front wheel. This jacking effect will also result in the unloading and potentially lifting of the inside rear wheel which can aid in rotation around tight corners.
  • Page 17: Rear

    FORMULA iR-04 // CHASSIS Pushrod offsets must be adjusted to return the car to the prior static ride heights after any spring rate change. C A MBER As at the front of the car it is desirable to run significant amounts of negative camber in order to increase the lateral grip capability;...
  • Page 18 FORMULA iR-04 // CHASSIS Increasing the ARB assembly stiffness will increase the roll stiffness of the rear suspension, resulting in less body roll but increasing mechanical oversteer. This can also cause the car to “take a set” more quickly at initial turn-in. Conversely, reducing the ARB assembly stiffness will soften the suspension in roll, increasing body roll but decreasing mechanical oversteer.

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