You're exactly right, the 205 provides less traction. And the car is faster autocrossing than it ever was. Why? Becasue I could never effectively use the grip the 235s provided with only a stock KA. Whenever I hit the gas in the middle of a corner the the backs would grab and the fronts would just push wide. I would have to lift off to get the car back on line. Now I hit the gas and the car just turns in harder. Nice and neutral. The car is also much smoother on breakaway with the stretch, compared to the sloppy snap oversteer of the 235s when they finally gave way. As far as square, all of the sizes you listed will bulge, some terribly, making the car feel mushy and unresponsive at the limit. Are we done yet?
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