Originally Posted by MR 1JZ
I never said it was a drift setup. It's not for spinning tires, it's to prevent spinning tires. As was stated for all out race cars it's a little different, they tend to use a combination clutch/torsional differential so that when a wheel is lifted it doesn't act like an open diff. There is a reason torsional differentials cost up to 3 times that of an expensive clutch based limited slip, and if it didn't deliver it would have disappeared 20 years ago.
The concept of peak traction with a limited slip is simple. With a torsional differential the correct amount of power is delivered to each wheel, so the effect is you get the most traction from both tires. Obviously if you push the pedal down and you overpower both of them, then you better look good doing it, because it isn't going to go faster.
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