I'm just a 'vintage' guy, but I am now looking at building a competitive Cougar 2 runner
But seriously, we entered a team the other year in an 8 hour endurance race, which was pretty much made up of RC10 tub cars and we didn't embarrass ourselves
Running agains modern 2 and 4wds
I also just finished 3rd with my tub at our last Indoor regional
G