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Originally Posted by rob13572468
...i have found that i can break the rear wheels loose with a simple stab of the throttle when i am making a (somewhat) sharp turn at ~40 mph and in 2nd gear. while the rear coming loose was not much of a surprise; what was interesting was that i was easily able to correct with a very small amount of countersteer and by lifting and reapplying throttle.
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My hypothesis (worth every penny of what I'm being paid for it) is that you weren't at the limits of handling of the car. You induced the oversteer by stabbing the throttle. Then you counter-steered to correct the problem that you had caused. Blipping the throttle helped because you had the front wheels pointed the other way (your counter-steer) and the blip of the throttled helped to rotate the car (back to straight).
If you want to see what snap throttle-off oversteer is really like you need to find a big parking lot (make sure there is nothing to hit) and drive in a circle of constant radius as fast as you can. You should be at the point where more steering input does not change the direction of the car. i.e. If you are going clockwise and turn the wheel farther right the circle does not get any smaller. Then, without doing anything else, just take your foot off of the gas (and get ready to put both feet in).
If you have the means and the time I strongly recommend an introduction to racing course taught by one of the reputable schools. Make sure to choose one that uses rear-engined cars in their instruction. I can personally vouch for Bertil Roos. Excellent program with top-knotch instructors. I took their advanced classes. One of the best experiences of my life.