Listers,
With respect to performance motoring:
It is better to make torque at high rpm than at low rpm because you can take
advantage of gearing in performance situations such as spirited driving,
autocrossing and road racing.
In these instances the ideal shift point should be a small percentage past
the horsepower peak (5-10% in most cases). If you were to graph this you will
see that this will allow a greater area "under the curve" to pull through the
next gear.
Design for a high flat torque curve, shift past your horsepower peak, and
take advantage of your gearing!
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