They teach almost everything you need to know to be a fast driver. The trick will be to remember it and apply it. Be prepared to use up a set of tires if you do phases 1 and 2. There isn't much more I can add since Neal has taken the course as well and has probably told you more already.
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You need to grab ahold of that line between speed and chaos, and you need to wrestle it to the ground like a demon cobra.-Talladega Nights