We had a guy show up to a road course event with drag radials back in 2010. He was a drag racing guy and wanted to give the road course stuff a go with a few extra rears he had. He didn't do too well and had massive rubbing problems. When he tried to air down for more traction, it just got worse, so he had to run massive psi to keep the tire under control. He came back for the next event on NT05's and was much happier. Drag Radials aren't designed to handle the lateral load of a 3250+lb vehicle pushing .85+g's in a turn.