Since I am not so familiar with this kind of stuff I have never made my own setups. I test setups from the top hotlappers and use the ones I like, sometimes with slight modifications. Since I prefer the Ferrari I started out with Alison's setups, after a while I moved over to Roland Ehnström's and now I use Wolfgang Wöger's (slightly modified). Some day I might take the time to develop my own but for now this will have to do. Download setups here.

My settings for my wheel goes as follows:
Device driver: 

Game specific: