The Logitech G27 steering wheel is still one of the most popular sim steering wheels products being used with iRacing today. There have been quite a few changes to the iRacing Force Feedback settings over the years since the G27’s launch and if you haven’t had a look at changing the force feedback settings now would be a good time.
Changing iRacing Logitech G27 Settings
Just like the generic iracing force feedback settings guide I have put together which should cover most wheels in the marketplace. You need to first change settings from the Logitech Profiler. By making the following changes:
- Overall Effects Strength: 100%
- Spring Effect Strength: 100%
- Damper Effect Strength: 100%
Spring Effect Strength you leave at its default setting as iRacing does not use any spring effects but other sims could.
You can check the centering spring effect option has it does not have any effect within iRacing but it could be of use in other racing sims.
Change wheel rotation to 900 degrees we will set it up for 1:1 steering ratio when the wheel is calibrated within the iRacing settings.
Setting Up The Logitech G27 Within iRacing
Within the iRacing settings recalibrate your wheel following the instructions, when asked to rotate your wheel 90 degrees to the left, rotate it 90 degrees and don’t pay any attention to the numbers that iRacing is telling you as it has been found that the Logitech G27 Wheels don’t quite have a full 900 degrees wheel rotation it is more in the vicinity of between 860 and 875 degrees. By not paying attention to the numbers in iRacing you will get the proper 1:1 steering ratio. I outlined this in my iRacing Force Feedback settings guide.
- Dampening settings change to 10%
- Min Force Try around 10 – 15%
- Strength Anywhere around 8 to 20 (12 should be a good starting point) it can also be adjusted from the F9 black box and after a couple of laps of driving you should see an auto button which when clicked will automatically adjust the strength to where the game thinks the force feedback needs to be set.
How To Check If You Are Oversaturating (Clipping) The Force Feedback
When running laps you want to check the “F Meter” and make sure you are not seeing the bar turn red when cornering. Red indicates oversaturation (clipping) is occurring and you are not receiving the best Force Feedback. Any other color is fine just not red.
Logitech G27 Brake Calibration Issues
Some users have experienced issues with the brakes locking up when running their first session. This can be rectified by giving the brake a depress before leaving the pits, its an issue with the USB not remembering were the start and endpoints of the brake is. The other solution is to use a Bodnar cable which has a much higher resolution and will remember the start and endpoints of your brake.
Miscellaneous Logitech G27 Issues
Double Bounce Issue With Sequential Shifters
An issue that can creep into sequential shifters is the shifter registering multiple shifts. this can be caused by worn triggers in the shifter mechanism. Thankfully the iRacing app.ini has a way to stop the bounce issue. Called the debounce and can be fixed by doing the following:
- Open the //documents/iracing Open app.ini
- Change “debounceSeq_Ms=80″ this adds a delay and should stop extra shifts registering
Slipping Encoder
The symptom of this is the wheel either slowly aligning left or right with eventual need to counter-steer 90 degrees for the wheel to be straight.
David Tucker refers to taking the wheel apart and applying some adhesive to the encoder wheel so it stops slipping.
The wheel can also get caught dragging against the optical sensor. This can be caused by a loose optical sensor on the wheel or some dirt in the sensor area in the encoder wheel, all will give you similar results.
Burnt/Gummy Brushes
Use compressed air to clean out dirt/dust. It’ll pay to do this outside.
Broken Tooth Gear
Losing a tooth can cause the wheel to catch or even stop it from working completely.
Hot and Worn Powersupply
Causes a lack of feedback. Try a different power supply or give the current one a blast of compressed air. Again do this outside.
edracing has a detailed settings guide here
If you have any other iRacing Logitech G27 settings let me know in the comments.
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