I use a Sanwa ERG. An LP servo makes things easier, but you can use a regular one in a MiD 44 and do a neat job.
Here is the car of the runner-up at the 08 French championship, Antoine Rossetti
My car :
You can check other neat wiring here :
http://olivierlanglet.free.fr/forum_...1e8d2bca882c46