As for your question about irFFB, I have never used it. But a quick search in the iRacing forums turned up these two threads that might help. Look near the last page of this thread for some settings that are posted: Below is a brief description of each of the irFFB options: FFB device. FFB type. Min force. Max force. Damping. Suspension bumps. Understeer. Understeer offset. SoP. SoP offset. Use 360 Hz telemetry for suspension effects in direct modes. Use car specific settings. Reduce force when ... Jan 26, 2018 · Please note that I do have a Thrustmaster T500 so the above settings will differ to your G29. Also remember your wheel app settings should be setup pretty much the same as they say somewhere in the irFFB thread.