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iRacing Setup Guide

This guide helps you configure iRacing to work smoothly with Racelab. Racelab can automatically configure most game settings:

  • Open the Racelab app and go to Settings -> Game Setup.
  • Apply the suggested iRacing tweaks from Racelab.
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iRacing account bandwidth must be set manually in your iRacing member site.

Installation Steps​

Game Configuration​

iRacing needs to run in windowed and borderless mode. This looks identical to fullscreen but prevents overlay issues.

  1. Open the Options menu.
  2. Navigate to the Display tab.
  3. Turn Full Screen off.
  4. Turn Border off.
  5. Set Max Cars to 63 under Other Cars Detail.
  6. Restart iRacing to apply changes and remove any borders.

iRacing Display Settings iRacing Max Car

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Restart iRacing after changing these settings, or you may still see a border.

Account Settings (Network)​

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This step needs to be done manually in the iRacing UI.

Set this on the iRacing member site (it cannot be done from Racelab):

  1. Open the iRacing member site and go to Settings -> Account.
  2. Find Connection Type / Connection Speed.
  3. Set the value to 1 Mbit/sec or faster.

Why this matters: slower settings reduce the number of cars sent to your client, which can affect overlays and position data reliability.

See the official guide: Connection type & max cars.

iRacing Account Settings

Tips & Troubleshooting​

  • Overlay window issues: If the layout shows the wrong screen or a border appears, confirm windowed + borderless is set and the game was restarted. See Layout showing wrong screen.
  • Position data issues: If positions look incorrect, check the iRacing telemetry and session type. See iRacing position issues.
  • VR users: For VR-specific setup, see VR usage and OpenVR.