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Bob you need to reread his post. David said torque was measured. Not power. Bob if what you said were true then having the car in a lower gear (to increase the torque to the rear tires) would increase the power. What a transmission or any geartrain does is trade speed for torque and vice versa. If the power were measured at the input speed of the geartrain and the torque measured at the output of the geartrain then the geartrain would become a power increasing device by the gear ratio of the gear train. Even in an ideal world (one that has no frictional losses) power in = power out. Hope this helps
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