It's late and I've just started messing with this, but figured I'd start a thread anyway since I have questions about it.
I'll update this first post with better/corrected information as others post and I learn.
x360ce is an xbox360 controller emulator that allows you to use your steering wheel and pedals with games that only support xbox controllers.
http://code.google.com/p/x360ce/See what you need installed to make it work and how to use it here:
http://code.google.com/p/x360ce/wiki/Whatisx360ceandhowuseItThe first time it was run, it automatically detected my Logitech G27 and downloaded mappings from an internet database.
(with my permission)
Force feedback is supported, but only rumble. Set force feedback to Type 1 under the Force Feedback tab.
The only game I've tried this on so far is FUEL. Before using x360ce, the only thing that had any effect in game was the clutch pedal.
It would register constantly and make the vehicle back up unless it was held down.
After dropping the x360ce files into the FUEL folder, all the controls now work, but my clutch pedal is still wreaking havoc.
Everything works fine as long as I hold it down constantly. I tried mapping it to the right stick in x360ce and setting the deadzone to 100%, but that had no effect because the game is getting the input directly. Anyone else have this issue and have a fix?
Unfortunately Logitech Profiler does not allow you to do anything with the clutch pedal and they have stated that they have no intention of adding that functionality.
EDIT: Attached numbers and axis designations to be used in x360.ini for the Logitech G27.
I'm finding that for games that were designed to be played with thumbsticks, the wheel rotation needs to be decreased to 150-200 degrees.
It makes sense since a thumbstick can change direction so much faster than a wheel. Reducing the rotation lets you get from one direction to the other faster.
Games I've tried it with so far:FUEL - game registers clutch pedal as brake always being depressed. It would probably work with setups that don't have a clutch.
Nail'd - works fine, had to reduce wheel rotation and crank up sensitivity in profiler. It still feels hard to control.
Sonic & All-Stars Racing - Hookmode must be set to 2 in the ini (compatibility mode). Game ignores keyboard input if it thinks there is a controller.
Sonic & All-Stars Racing Transformed - haven't been able to get working yet
I will update this as I set games up.
Keep in mind that you can still use Logitech profiler in conjunction with this.