[cmac]

I believe that the engineers have done a good job with this on road car. The use the aerodynamics to help pull the car down to the road. Like a wing only in the opposite direction. The on road car that you had obviously did not have that benefit. They use some similar principles like the Indy cars. If you could invert an Indy car at speed it would hold the road because of this effect. I heard that these cars are a little unstable under 50 mph that is about when the ground effects start to kick in after that it sucks down to the road and is stable as can be. I have a Losi 8ight that will run just like your buggy and it too is stable at around 70 mph, I have not had it to 100mph, but I bet it would be a whole lot different. I'm sure it would not be as stable.