I have never used a box, but have friends that do. I have watched them over the years and have had to race against them from time to time. the only way that running a box can make racing easier is if you get to use is against racers that that don't. The box gives you a huge advantage at the line, however all the other cars have the same huge advantage. Everyone can pick out one example when a foot brake guy beat all the electronic guys. Heck I've done it myself. Put that same lucky foot brake winner into the Super Pro class for a while and he will learn how to lose and lose often. If you want to put together a Q32 race and include all the racers, the only fair way is to simply use a .4 pro tree.