This setup (Maybe) a starting point:
http://www.team-durango.com/pdf/setu...01_10_2009.pdf
Its this track:
http://www.youtube.com/watch?v=RlWUW...eature=related
Which Is small and very technical.. and think some say traction way relatively low... maybe a good starting point.. not sure.. there are next to 0 1/10th dirt tracks in the UK..