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Originally Posted by Zfatuated
I actually have experience street and track driving Trofeos. In fact I wore through several sets of the original Trofeo before the R's were released. Then I went through several sets of the first Trofeo R's that were released in the US. From what you wrote it obvious you have no idea what you are talking about in regards to this tire. It's is as progressive at the limit as any street tire and probably more so than most. That is the fact from experience.
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No offense, but that experience puts you out of the group who will have greater difficulty handling a less understeerish car, this being the group that Chevy still has to cater to.
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There is nothing inherent in a square set-up to make it any more of less prone to "losing it".
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Are you sure? Again, I'm talking from the point of view of the driver who is accustomed to moderate to heavy understeer, and even that's if he has driven hard enough to where that actually matters (below the 0.3 lat-g or so where most people corner, it doesn't). This isn't about your capabilities and probably not mine either. Handling in the overall sense is one part car, one part road, and one part driver . . . we can control the "road" by being at the track or autocross lot where the pavement is normally in good condition and at worst you know where it isn't, and we can do all manner of things to upgrade the car to make it behave more linearly longer. If we don't tighten the nut behind the wheel, much of what you do with the other two is wasted, and the flip side of "linear longer" is a more sudden trip past the peak-grip slip angle. Progressive to you probably isn't progressive enough for everybody.
Sure, you can tune around a square setup some to make it a little more benign to the less skilled among us, but ultimately if the front grip is about the same as the rear grip and the driver gets too sloppy with the throttle in a corner with ZL1 power, the tail will come around (dare I suggest a "muscle car/drag race" mentality here?). Throttle modulation is an autocross and road course skill. Good winter- and wet-weather drivers with experience in moderately powerful cars have it as well, but that still leaves lots of folks who don't, some of whom will own a ZL1 or a Z/28.
Norm