Originally Posted by Slugoid
Chassis affect the car's rigidity, weight, safety and overall strength. It has very little in how the car handles directly. Even with a well balanced chassis, if you have leaf springs then it's not gonna help handling. On the contrary, improvement in suspension can improve handling even if the chassis isn't all that well balanced. See what will happen if you replace the whole suspension of the S2000, which has a very well balanced chassis, with suspension from a Civic GLi.
Chassis doesn't give me any feedback, other than rigidity. Suspension gives you most of the feedback.