I use a Logitech G25 with the configuration the game comes with, general FFB @ 80%.
Maybe check out the official Assetto Corsa forum, I've seen people discussing there some ffb settings.
Also, check out you don't have Force Feedback Clipping. A friend of mine always had the issue that he didn't feel the car, especially the rear and compared to other sims he always was a couple of seconds slower than the rest of me and my mates. Now as he turned the ffb down he feels the car way more. Simple things can make huge differences
update 0.21
CHANGELOG
- Multiplayer Improvements : New server version available
- Multiplayer Gameplay improvements
- New Post Processing Effects engine implemented
- Implemented booking-less server joining
- Physical Dynamic track implemented
- Shader fixes and improvements
- Time Attack fixed start with too much time
- Fixed AI starting at the same time in qualify
- AI improvements, better gas control and understeer detection
- New Car : Lotus 98T
- lotus elise sc, exige 240R, scura, exige s roadster speedometers corrections
- changes in speedometers visualization depending on UI options and car design
- Tyre damping modifications for all cars
- Ideal Line improvements
- Improved Python Apps error handling on loading
- Dynamic wing controller now use setup value as initial angle value.
- Localization fixes
- Time Difference displayer improved
- Fixed camera triple screen & driver names
- Fixes in Replay for cars with animated suspensions
- Fixed "You have been sent to pits" issue
- GUI forms default position not overlapping with system messages anymore & GUI Improvements
- Showroom updated with the latest graphic engine improvements
- ksEditor updated with the latest graphic engine improvements
- Per-Car New setup option to customize Force Feedback
- Disabled AI in multiplayer events
- Replay size reduced by half
- Fixed crew placement in multiplayer events
- Virtual mirror remembers its last state & virtual mirror improvements on triple screen cfg
- Fixed mirror rendering bug
- Adjustable brake balance while driving, for cars that support the feature
- Adjustable brake balance in the physics brakes.ini file
- Brake balance working with all the control configurations
- Fixed wrong time reported after Booking