i think its somthing to do wth the fact we race on grass rather than clay,i could be wrong,i dont know why they are blank,if you go on TD web site there are loads of setups,iv found you need to find out who you driving style is like and follow theres,iv found Craig Colings(sorry if thats wrong

)HULK on the forum is what suits me best,im sure some one will help you out more