Too Much Grip for the CG?

[mfain]

Here's something for the racers in the crowd to comment on. Since my project track car is taking forever to finish, I bought a NASA Spec Ford Focus to build current track time in the interim. It is a full cage, SVT suspension, professionally built car - 2300lb s/146 HP on Hoosier R7s. I have worked the suspension until it is very neutral and, despite its low HP, is a very fast "momentum" car. Yesterday, at Wild Horse Pass in Phoenix, I took a fairly tight sweeper at 75-80 mph (on the edge). With the car being very neutral, I expected it to break loose at both ends if I exceeded the limit - it didn't. Instead it rolled 30 degrees (inside tires 3 feet off the track) AND the outside rear tire came off the ground 6 inches. The thing tried to "pole-vault" over the outside front tire which still had grip. Luckily I was exiting the sweeper and straightening the wheel. I stayed on the throttle (FWD) and the car came down hard with only a minor 2-wheel "off". Any thoughts other than the obvious CG height comments?

Pappy