level of driving skill consistency, and vehicle control to actually realize the benefit of saving 3 lbs of unsprung weight are out racing their sponsored RACE cars for actual teams while you all bicker about the ways in which your poorly running, slow 300zx would theoretically perform better at a race track, a place you probably visit maybe once or twice a year IF that.
The fact of the matter is, an F1 driver could get a maxima around a track faster than anyone who's gonna sit on TT.net bitching about 3lbs of unsprung weight could in a 300zx.