[jluetjen]

Bill, you make an interesting point about zero roll couple equals zero roll. While reducing role may be a good thing -- why don't all race cars have zero roll couples???? Because doing this makes the car very "wooden" and it lacks feel. To put it differently, the driver will have a hard time feeling what the car is doing. So some roll is desirable -- how much depends on the sensitivity of the driver. Novices will most likely respond better to relatively larger roll couples while Michael Schumacher would quite likely be very fast with a very small roll couple.