Less toe, less camber, less brakes, less steering input.
Less toe, less camber, less brakes, less steering input.
You can increase your gears, to tone down torque multiplication.
Fine tuning your LSD, but on Indy it doesn't play too much effect.
You can drop your downforce lower, but I'm not positive it actually has an effect, but it should. But the sacrifice to corner ability might not be worth it.