Originally Posted by rj45

My car was an '06. The '08+ cars got a better steering rack (tighter clearances, I think), but the steering feel is only a little better. It's a bit sharper, but the weighting isn't that different. The spring mod (I'm not familiar with it) would likely give it some heft, though I doubt it would improve the feel all that much, if that's what one's after. As a side note, the Z06 clutch fluid needs to be kept clean or the pedal may stick to the floor following aggressive launches.