When in a turn, load (without load there is no grip) transfers from the inside tires, to the outside tires. Essentially, at that point the car is only using two wheels. Drivers “cut” the corners to make a straighter turn which equals more exit speed. Drive axles are usually configured to provide power to both wheels regardless of grip. read more
Now, get down under your car and look for holes in the body panels around the perimeter of the car. There will probably be a couple in the doors, and at least a few others. Any body panel should have at least one. read more
In most corners it is desirable to be on power from slightly before the apex. Eventually going over taller and sharper curbs requires the driver to lift when going over the curb to keep the car under control. Typically, lifting over curbs costs more time than flattening the corner saves. read more