The first question in the thread was regarding appropriate range to "keep the rpm's at". The answer to this, I would say is between 2k and 3k for cruising. I usually shift around 3500-4000 (extenuating circumstances, such as pesky s2k's notwithstanding
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And I agree that a 4.5k launch is good for racing, but for an in-town launch, the smoothest way to go is to feather the throttle up to about 2k, and then as soon as the revs start to decline, start slipping the clutch, and then when it starts to grab, start giving it gas slowly. You would not believe how seamless of a launch you can get this way with minimal strain on the clutch.
